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Santec TSL-710 Operation Manual

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Tunable Semiconductor Laser
TSL-710
Operation Manual

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  • Page 1 Tunable Semiconductor Laser TSL-710 Operation Manual...
  • Page 2 TSL-710 Operation Manual Notes to Users 1) Copyright 2005, Santec Corporation. All rights reserved. No part of this Operation Manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, without the prior written permission of Santec.
  • Page 3 Thank you very much for your having purchased our product, Tunable Semiconductor Laser TSL Series. This Operation Manual contains information necessary for the operation of TSL-710, and it is intended for those with sufficient knowledge enough to of laser danger and its safe control. Before operating TSL-710, you should first read thoroughly through this Operation Manual and become familiar to its contents.
  • Page 4 Chapters 1 to 4 illustrate the outline of this product, safety precautions, and installation of the product. Chapters 5 to 6 describe how to operate the product. Santec recommends that Chapter 1 to 4 be read carefully before proceeding to this chapter.
  • Page 5 Tunable Semiconductor Laser TSL-710 Explanation of Terms The meanings of the following terms used in this Operation Manual are defined as below: (1) Meaning DANGER This indicates pressing DANGER, and if it DANGER!! is not avoided, personnel death or serious injury results, therefore, it is the most emphasized special information.

  • Page 6: Table Of Contents

    TSL-710 Operation Manual Contents Introduction How to Read the Manual Explanation of Terms 1. Safety Notes Intended use Safety Markings Operational notes Laser Class 2. Product Composition 3. Panel Descriptions Front Panel Rear Panel Bottom Panel Side Panel 4. Installation...
  • Page 7 　　7-3-3 Installing a USB Driver Software 　　7-3-4 Installing a VCP Driver Software 7-11 　　7-3-5 Command 7-16 Command Reference 7-16 　　7-4-1 Command set 1 (Complies with IEEE-488.2) 7-17 　　7-4-2 TSL-710 Specific Command set List (Command set 2) 7-47 8. Operating Principles...
  • Page 8 TSL-710 Operation Manual 9. Specifications Specifications 9- 1 Regulations conformity 9- 2 10. Maintenance 10-1 10-1 Daily Maintenance 10- 1 10-2 Cleaning the Optical Connector 10- 1 10-3 Replacing Fuses 10- 2 10-4 Inspection/Calibration 10- 2 10-5 Long-term Storage 10- 2 11.

  • Page 9: Safety Notes

    Tunable Semiconductor Laser TSL-710 Safety Notes 1-1 Intended use This product is designed to measure the optical characteristics. Do not use this product for anything other than as an optical measuring instrument. If this product is used in a manner not specified in this manual, the protection provided by this product may be impaired.

  • Page 10: Laser Class

    TSL-710 Operation Manual 1-4 Laser Class This product is classified class 1M laser product according to IEC 60825-1 (2014). ：External Cavity Diode Laser Laser Type ：1M IEC60825-1(2014) Laser Class ：< 50mW Output Power ：10um Laser Diameter ：0.1 Numerical aperture ：1200-1700nm...

  • Page 11: Product Composition

    Tunable Semiconductor Laser TSL-710 Product Composition This product is composed of the TSL-710 body and accessories. Check to make sure that all the following items are included. TSL-710 body Power cord Operation Manual & Software Inspection report Check to make sure that the product body and the accessories have no scratches or stains.
  • Page 12 TSL-710 Operation Manual...

  • Page 13: Panel Descriptions

    Tunable Semiconductor Laser TSL-710 Panel Descriptions 3-1 Front Panel Display Numeric keypad Dial HOME key Cursor key Soft keys　(F1, F2, F3, and F4 keys from the left) ENTER key CANCEL key Power On/Off key Power LED Optical output connector Analog Input LF Mod.

  • Page 14: Bottom Panel

    TSL-710 Operation Manual 3-3 Bottom Panel Intakes Rubber legs 3-4 Side Panel Intakes Rubber legs...

  • Page 15: Installation

    Tunable Semiconductor Laser TSL-710 Installation 4-1 Operating Environments Pay attention to the following guidelines for safe, trouble-free operation. This product is a high-precision device and be designed to be used indoors (Pollution Degree 2). ･ Do not place over a height of 2,000 meter.
  • Page 16 TSL-710 Operation Manual...

  • Page 17: Basic Operation

    Tunable Semiconductor Laser TSL- 710 Basic Operation 5 -1 Turning on the Unit Press the power ON/OFF key at the lower left of the front panel. Power ON/OFF LED Analog Input LF Mod. Power ON/OFF Key The LED above the power ON/OFF key will turn green, and initialization will last for about 15 seconds.
  • Page 18 TSL-710 Operation Manual 4. It may take several minutes for the internal temperature to stabilize after the power is turned on. “Warm Up” is displayed on the main screen during this period. Normal operation can still be conducted while “Warm Up” is displayed.

  • Page 19: Ld Output

    Tunable Semiconductor Laser TSL- 710 5 -2 LD Output CAUTION Make sure that the optical fiber is connected correctly to the optical output connector before performing LD output. Also, be careful that high power light does not enter the optical output connector from the outside of the product.
  • Page 20 TSL-710 Operation Manual Press the LD ON/OFF key again to turn off the LD output. LD current is interrupted and the LED turns off. CAUTION Make sure that the LD LED is off before turning the power OFF. Failure to do so may...

  • Page 21: Setting The Wavelength

    Tunable Semiconductor Laser TSL- 710 5-3 Setting the Wavelength NOTE Setting of the wavelength cannot be executed when LD output is OFF. Press 　λ　 (F1 key) on the main screen 1.　 F1 Key The wavelength setting screen appears, and the cursor blinks in the wavelength display area.
  • Page 22 TSL-710 Operation Manual How to input values ■ Using the numeric keypad (1) Input the value directly. Input all digits of integral numbers. (2) Press ENTER to accept the new value. (3) The main screen appears after setting. Using the dial (1) Press the ENTER key or the dial to enter input mode.

  • Page 23: Setting The Optical Power

    Tunable Semiconductor Laser TSL- 710 5-4 Setting the Optical Power 1.　 Press Power (F3 key) on the main screen. F3 Key The power setting screen appears, and the cursor blinks in the power display area. 　　(Switch the optical power control mode to “Auto” when it is “Manual”. Refer to “6-3. 　　 　　Switching the optical power control mode”.) 3.

  • Page 24: Setting The Wavelength Sweep

    TSL-710 Operation Manual 5-5 Setting the Wavelength Sweep 1.　 Press Sweep (F2 key) on the main screen. F2 Key Sweep setting screen 1 appears. There are two sweep setting screens in all. Setting is possible on the item on which the cursor is blinking. Move the cursor with the △...
  • Page 25 Tunable Semiconductor Laser TSL- 710 The setting items are as follows: Sweep Setting (1/2) λ start Sets the sweep start wavelength Range: Wavelength ranges specified in the specifications (Example: C+L Band = 1480 to 1640 nm) Unit: 0.0001 nm λ stop Sets the sweep end wavelength Range: Wavelength ranges specified in the specifications...
  • Page 26 TSL-710 Operation Manual Mode Sets the sweep operation mode. Select from the following four modes: Perform one-way sweep with step operation. Change the (A) Step wavelength from the start wavelength to the end wavelength with the wavelength interval set by STEP and the wait time set by Dwell.
  • Page 27 Tunable Semiconductor Laser TSL- 710 　　 (D) Sweep Perform two-way sweep by changing the wavelength continuously. Change the wavelength from the start wavelength to the end wavelength with the speed set by Speed. Afterwards, change the wavelength from the end wavelength to the start wavelength in the same manner.
  • Page 28 TSL-710 Operation Manual If Sweep mode is selected 〈 〉 Sweep Setting (2/2, Sweep mode) Speed Sets the sweep speed Range: 0.5 to 100.0 nm/s Unit: 0.1 nm/s Delay Sets the wait time between each sweep Range: 0.0 to 999.9 s Unit: 0.1 s...

  • Page 29: Executing The Wavelength Sweep

    Tunable Semiconductor Laser TSL- 710 5-6 Executing the Wavelength Sweep NOTE Sweep cannot be executed when LD output is OFF. 1.　 Press Sweep (F2 key) on the main screen. F2 Key The Sweep setting screen appears. Perform operations according to the soft key menu on the sweep setting screen 3.
  • Page 30 TSL-710 Operation Manual The current wavelength is displayed at λ curr in the first line during sweep operation. An indicator showing the sweep progress is displayed on the bottom line. Indicator F3 Key F4 key 4. 　Multiple sweep operations Press Repeat (F2 key) to execute a series of the following operations: (1) Sets to the start wavelength( λ...
  • Page 31 Tunable Semiconductor Laser TSL- 710 If the value is set to 0 (zero), the number of times is infinite. Press Stop (F4 key) to stop. λ curr in the first line during sweep operation. The current wavelength is displayed at Indicators showing the progress of the sweep and the completed number of sweeps are displayed at the bottom.
  • Page 32 TSL-710 Operation Manual 6. 　 Stop and Pause a sweep Press Pause (F3 key) to pause a sweep. “Pause” lights up on the screen. Press Resume (F3 key) to resume a sweep. If you cancel a sweep, press Stop (F4 key).

  • Page 33: Turning Off The Unit

    Tunable Semiconductor Laser TSL- 710 5 -7 Turning off the Unit Turn off LD output. (Refer to "5-2. LD output") Press the power ON/OFF key for at least 2 seconds. Power LED Analog Input LF Mod. Power ON/OFF Key The unit is shut down, and LED above the power ON/OFF key will turn orange. “Shutting Down ...”...
  • Page 34 TSL-710 Operation Manual CAUTION Abnormal Operation If for some reason a fault occurs which prevents the instrument from being switched off by the normal procedure described above, the instrument can be switched off by holding the Power On/Off key for at least 10 seconds.

  • Page 35: Status Display

    Tunable Semiconductor Laser TSL- 710 5 -8 Status Display The display shows the status of the product. For more information please check the contents of each page. ① ② ③ ④ ⑤ ⑥ Display Status Description Page position Warm Up It is displayed when the internal temperature is unstable immediately after power on.
  • Page 36 TSL-710 Operation Manual 5-20...

  • Page 37: Detailed Operation

    Tunable Semiconductor Laser TSL- 710 Detailed Operation 6 -1 Fine-tuning A function for fine-tuning the oscillation wavelength with a resolution under 10MHz. The adjustable wavelength range is about 10 GHz (about 80 pm around 1550 nm). The setting value is indicated with a relative value, and can be set within the range -100.00 to +100.00 in 0.01 increments.
  • Page 38 TSL-710 Operation Manual 4. The input line of the FT value is displayed on the second line. Input a value with the numeric keypad, the dial, or the △▽ keys. (Refer to “How to input values” in “5-3. Setting the wavelength”.) Range: –100.00 to +100.00...

  • Page 39: Coherence Control

    Tunable Semiconductor Laser TSL- 710 6-2 Coherence Control A function used to increase the spectral linewidth of the output light. The coherence of the light is reduced by increasing the linewidth, and the fluctuation of the optical power by interference can be suppressed. If the fluctuation of the optical power becomes a problem due to influence from the reflecting point in the system using this device, use this function.

  • Page 40: Switching The Optical Power Control Mode

    TSL-710 Operation Manual 6-3 Switching the Optical Power Control Mode The power control of the optical output can be switched between Auto and Manual. In auto control mode (Auto), the power of the output light is kept constant by feedback from the output power value measured at the self-contained power meter.

  • Page 41: Setting The Trigger Output

    Tunable Semiconductor Laser TSL- 710 ■ How to cancel manual control mode 1. Press Auto (F2 key) on the power setting screen. 2. The mode switches to auto control mode. The setting value of the self-contained attenuator is not displayed and the status display changes from “Manual”...
  • Page 42 TSL-710 Operation Manual 2. Move the cursor to “Output Trigger Mode” on the trigger signal setting screen with the dial, or the △▽ keys. 3. Press the ENTER key or the dial to enter input mode. Select the mode with the keys, or the dial.

  • Page 43: Setting The Trigger Input

    Tunable Semiconductor Laser TSL- 710 ■ 6-4-2 Setting the Trigger Input 1. Move the cursor to “Input Trigger Source” on the trigger input setting screen with the dial, or the △▽ keys. 2. Press the ENTER key or the dial to enter input mode. 3.

  • Page 44: External Modulation

    TSL-710 Operation Manual 6-5 External Modulation This product is equipped with a function for modulating the intensity of optical power using external modulation signals. The modulations are classified as either low- frequency or high-frequency according to the frequency band of the modulation signal.
  • Page 45 Tunable Semiconductor Laser TSL- 710 Low-frequency modulation signal input Analog Input LF Mod. RF Mod. Specifications Modulation bandwidth: DC to 400kHz Input level: 0 to –2V Modulation depth: >50%/V (Typ.) Input impedance: 4.7 kΩ CAUTION Never apply voltage out of the input level range. Doing so may damage the device. NOTE External modulation setting cannot be changed to “Ext.”, when coherence control is ON.

  • Page 46: High-Frequency Modulation (Option)

    TSL-710 Operation Manual ■ 6-5-2 High-frequency Modulation (Option) Modulating the intensity of optical power is performed at relatively high frequency from 2 to 100 MHz. Input the modulation signal into the SMA connector labeled ”RF Mod.” inside the cover at the bottom of the front panel.

  • Page 47: Analog Signal Input

    Tunable Semiconductor Laser TSL- 710 Specifications Modulation bandwidth: 2 to 100 MHz Input level: 5Vp-p Modulation depth: >10% (Typ.) Input impedance: 50 Ω 6-6 Analog Signal Input A function used to fine-tune the wavelength according to the external input voltage. Input the signal into the BNC connector labeled ”Analog Input”...

  • Page 48: Power Monitor Signal Output

    This feature outputs the voltage according to integrated power monitor. It can be used to compensate output power fluctuation in real time, for example. (This feature is best recommended to be used with Santec’s SPU-100 as WDL/PDL measurement solution, Santec’s Swept Test System)

  • Page 49: Wavelength Memory Function

    Tunable Semiconductor Laser TSL- 710 6-8 Wavelength Memory Function A function used to set the oscillation wavelength to a wavelength stored in memory. A total of 100 wavelength values can be stored. F3 key ■ 6-8-1 Wavelength Readout 1. Press Memory (F3 key) on the wavelength setting screen. 2.

  • Page 50: Wavelength Registration

    TSL-710 Operation Manual ■ 6-8-2 Wavelength Registration 1. Set the desired wavelength following general wavelength setting steps. (Refer to “5. Basic operation”.) 2. Press Memory (F3 key) on the wavelength setting screen. 3. The wavelength memory screen appears. 4. Move the cursor to the desired number with the △ ▽ keys, or the dial. Press Store (F1 key) to change the wavelength at the cursor position to the desired wavelength.

  • Page 51: Changing The Unit Of The Wavelength

    Tunable Semiconductor Laser TSL- 710 6-9 Changing the Unit of the Wavelength 1. Change the screen to the wavelength setting screen. See ”5-3. Setting the wavelength” on how to change. 2. Press nm/THz (F1 key). F1 key 3. The display/input unit is changed. 4.

  • Page 52: Changing The Unit Of The Power

    TSL-710 Operation Manual 6-10 Changing the Unit of the Power 1. Press mW/dBm (F1 key) on the power setting screen. F1 key 2. The display/input unit is changed. All units will be changed on all screens, including this screen. 3. Do the same operation when switching back to the original setting.

  • Page 53: Internal Shutter

    Tunable Semiconductor Laser TSL- 710 6-11 Internal Shutter Internal shutter is used to temporarily interrupt the optical power. Turn the LD OFF when interrupting for a long time. (Refer to “5-2. LD output”.) 1. Press Shutter (F3 key) on the power setting screen. F3 key 2.

  • Page 54: Displaying The Product Information

    TSL-710 Operation Manual 6-12 Displaying the Product Information Display the various product information. 1. Move to the screen for various settings from the main screen using Menu(F4 key) → Next (F4 key). 2. Press Info (F3 key). F3 key 3. The following information is displayed: ・Serial number of the device...

  • Page 55: Operation By Communication

    Tunable Semiconductor Laser TSL-710 Operation by Communication CAUTION Before inserting and extracting the connectors for the communication cables, make sure to turn off the power to the device to avoid damaging the device. This device supports GP-IB, RS-232C, and USB as means of communication.

  • Page 56: Gp-Ib Function

    TSL-710 Operation Manual CAUTION Do not disconnect or connect a cable from and to devices connected with GP- IB cable, do not short-circuit connector, and do not turn ON/OFF the devices. Otherwise, action may be stopped, error may occur, causing a failure. In the event of trouble owing to these causes, reset all the connected devices, and then activate the system once again.

  • Page 57: Setting The Address, Delimiter, And Command Set

    SCPI consortium (Command set 1). This command set has high compatibility with other companies’ instruments. Select “santec” when using commands based on our existing original commands (Command set 2). This command set has high compatibility with our existing products.

  • Page 58: Rs-232C

    TSL-710 Operation Manual Refer to “7-4-1. Command set 1”. 3. Go back with the Back or Home key after setting. 7- 2 RS-232C ■ 7-2-1. Connection Connect the cable with D-sub 9 pins to the RS-232C connector on the real panel.

  • Page 59: Setting The Transmission Speed, And The Delimiter

    2. Go back with the Back or Home key after setting. ■ 7-2-3. Command Only Command set 2 can be used. Refer to “7-4-2. TSL-710 Specific Command List (Command set 2)” 7- 3 USB ■ 7-3-1. Connection Connect the B-type connector cable to the USB connector on the rear panel.

  • Page 60: Communication Conditions And System Requirements

    TSL-710 Operation Manual ■ 7-3-2. Communication Conditions and System Requirements USB 2.0 compatible Transfer speed: 1 MBps (with D2XX driver) Transfer speed: 300 KBps (with VCP driver) Transfer FIFO size Sending FIFO：384 bytes Receiving FIFO: 128 bytes Setting the Delimiter: The delimiter of the command is “CR”.

  • Page 61: Installing A Usb Driver Software

    Even though some pop-up messages will be displayed when USB cable is connected the device and PC, please click cancel or close message. 1. Open “Device Manager” (Figure 7-3-3-1) and open “TSL-710” under “Other devices.” Right-click on “TSL-710” and click on “Update Driver Software...”.
  • Page 62 TSL-710 Operation Manual 2. Click on “Browse my computer for driver software” when message window (Figure 7-3-3-2) appears. Figure7-3-3-2. Update driver software 3. On message window (Figure 7-3-3-3), click on “Browse” button to select the driver software location under Removable disk included in package.
  • Page 63 Tunable Semiconductor Laser TSL-710 4. Installation will automatically start. Message window Figure 7-3-3-4 will appear. Figure7-3-3-4. Installation in progress 5. If a Windows Security message in Figure 7-3-3-5 appears, please click on “Install this driver software anyway” to proceed. Figure7-3-3-5. Security warning...
  • Page 64 TSL-710 Operation Manual 6. Installation is completed successfully when Figure 7-3-3-6 appears. Click on “Close” to exit the installation. Figure7-3-3-6. Installation complete 7-10...

  • Page 65: Installing A Vcp Driver Software

    To enable VCP communication, VCP driver software must be installed. 1. After installed USB driver software by 7-3-3, open “Device Manager” (Figure 7-3-4- 1),and open “Santec USB TSL-710” under “Universal Serial Bus Controllers”. Right- click on “Santec USB TSL-710” and click on “Properties”.
  • Page 66 TSL-710 Operation Manual 3. Disconnect USB cable from PC, and reconnect to PC. Open “Device Manager” (Figure 7-3-4-3) and open “USB Serial Port” under “Other Devices”. Right-click on “USB Serial Port” and click on “Properties”. Figure7-3-4-3 Device Manager 4. Click “Update Driver…” in “Driver” tab.
  • Page 67 Tunable Semiconductor Laser TSL-710 5. Click on “Browse my computer for driver software” when message window (Figure 7-3-4-5) appears. Figure7-3-4-5. Update Driver Software 6. On Message window (Figure 7-3-4-6), click on “Browse” button to select the driver software location under Removable disk included in package.
  • Page 68 TSL-710 Operation Manual 7. Installation will automatically start. Message window Figure 7-3-4-7 will appear. Figure7-3-4-7. Installation in progress 8. Installation is completed successfully when Figure 7-3-4-8 appears. Click on “Close” to Exit the installation. Figure7-3-4-8. Installation complete 7-14...
  • Page 69 Tunable Semiconductor Laser TSL-710 9. Open “Device Manager” (Figure 7-3-4-9), to check added information of serial port number on “Ports (COM & LPT). (E.g. USB Serial Port (COM7)) Figure7-3-4-9. Device Manager 7-15...

  • Page 70: Command

    (Command set 2)”. 7- 4 Command Reference Two kinds of command sets are provided for the TSL-710. Select one of them in advance and use the commands in that category. Commands in one command set cannot be used with commands in the other command set simultaneously.

  • Page 71: Command Set 1 (Complies With Ieee-488.2)

    Tunable Semiconductor Laser TSL-710 ■ 7- 4 -1. Command set 1 (Complies with IEEE-488.2) 1. Common Command List Available for IEEE-488.2 common commands in the following list. Common Commands (Command set 1 Group) Command Description Page Identification Query *IDN? 7-20 Returns strings that identify the device.
  • Page 72 TSL-710 Operation Manual 2. TSL-710 Status system When Command set 1 is selected, the following status systems with four registers are provided. (1) Status Byte Register (STBR) (2) Service Request Enable Register (SRER) (3) Standard Event Status Register (SESR) (4) Standard Event Enable Register (SEER) 1) Status System Structure Overview * Output queue is cleared when a new command is input into the input queue.
  • Page 73 Tunable Semiconductor Laser TSL-710 RQS (Request Service Bit): RQS is set when a Service Request is issued. ESB (Event Status Bit): ESB is set when any of the bits of the Standard Event Status Register (SESR) is set. MAV (Message Available Bit): MAV is set when output data is prepared.
  • Page 74 TSL-710 Operation Manual 3. IEEE-488.2 common commands - Detailed description 1) *IDN? Identification Query Syntax *IDN? Description A query to identify the device; places strings of device information such as the name, firmware, and version in the output queue. Parameter...
  • Page 75 Tunable Semiconductor Laser TSL-710 4) *OPC? Operation Complete Query Syntax *OPC? Description Places 1 in the output queue when all operation processing has completed. Response 0: (In operation) 1: (Operation completed) 5) *CLS Clear Status Syntax *CLS Description Clears all event registers and queues and reflects the summary in the Status Byte Register.
  • Page 76 TSL-710 Operation Manual 　 9) *SRE Service Request Enable Register Setting Syntax *SRE<wsp><value> Description Sets the Service Request Enable Register (SRER). Parameter Setting value from 0 to 255 Response None 10) *SRE? Service Request Enable Register Query Syntax *SRE? Description Places the value of the Service Request Enable Register (SRER) in the output queue.
  • Page 77 Tunable Semiconductor Laser TSL-710 4. TSL-710 Specific command overview An overview of the specific commands available in Command set 1 is shown in the following table. TSL-710 Specific Command List (Command set 1 Group) Command Description Page :SPECial:REBoot Resets the device.
  • Page 78 TSL-710 Operation Manual Command Description Page [:SOURce]:POWer:SHUTter? Reads out the status of the internal shutter. 7-33 Changes the unit of the power setting and [:SOURce]:POWer:UNIT 7-33 display. Reads out the unit of the power setting and [:SOURce]:POWer:UNIT? 7-33 display. [:SOURce]:POWer[:LEVel] Sets the optical output power.
  • Page 79 Tunable Semiconductor Laser TSL-710 Command Description Page Reads out the wait time between each [:SOURce]:WAVelength:SWEep:DELay? 7-39 sweep in continuous sweep operation. Sets the amount of time spent during [:SOURce]:WAVelength:SWEep:DWELl 7-39 each step in step sweep operation. Reads out the amount of time spent...
  • Page 80 TSL-710 Operation Manual 5. TSL-710 specific command detailed description Specific commands in Command set 1 are described in detail as follows. 1) System related commands :SPECial:REBoot Syntax :SPECial:REBoot Description Resets the device. Parameter None Response None Example :SPEC:REB :SYSTem:ERRor? Syntax...
  • Page 81 Tunable Semiconductor Laser TSL-710 Parameter None Response Integer from 1 to 30 Example :SYST:COMM:GPIB:ADDR? → 10 Indicates that the GPIB address is “10”. :SYSTem:COMMunicate:GPIB:DELimiter Syntax :SYSTem:COMMunicate:GPIB:DELimiter<wsp> <value> Description　 Sets the command delimiter for GPIB communication. EOI is always sent. Parameter 0：CR...
  • Page 82 TSL-710 Operation Manual :SYSTem:COMMunicate:SERial:SPEed? Syntax :SYSTem:COMMunicate:SERial:SPEed? Description　 Reads out the speed of serial communication. Parameter None Response 0：2400 bps 1：4800 bps 2：9600 bps 3：19200 bps Example :SYST:COMM: SER:SPE? → 2 Indicates that the serial communication speed is ”9600 bps”. :SYSTem:COMMunicate:SERial:DELimiter Syntax : SYSTem:COMMunicate:SERial:DELimiter<wsp>...
  • Page 83 Tunable Semiconductor Laser TSL-710 2）Input /Output related command　 :TRIGger:INPut:EXTernal Syntax : TRIGger:INPut: EXTernal <wsp> <value> Description Sets Enable/Disable of the external trigger signal input. Parameter 0：Disable 1：Enable Response None Example :TRIG:INP:EXT 1 Enables the external trigger signal input. :TRIGger:INPut:EXTernal? Syntax :TRIGger:INPut:EXTernal? Description　...
  • Page 84 TSL-710 Operation Manual :TRIGger:OUTPut Syntax :TRIGger:OUTPut <wsp> <value> Description Sets the timing of the trigger signal output. Parameter　 0：None 1：Stop 2：Start 3：Step Response None Example :TRIG: OUTP 1 Sets the timing of the trigger signal output to be at sweep completion.
  • Page 85 Tunable Semiconductor Laser TSL-710 3）Optical output characteristic related commands [:SOURce]:COHCtrl Syntax [:SOURce]:COHCtrl<wsp > <value> Description Turns ON/OFF the coherence control. Coherence control cannot be changed to ON, when modulation setting is “Ext.”. Parameter　 0: Coherence control OFF 1: Coherence control ON...
  • Page 86 TSL-710 Operation Manual [:SOURce]:POWer:ATTenuation Syntax [:SOURce] :POWer: ATTenuation <wsp> <value> Description Sets the attenuator value. Parameter　 Range：0 〜 30 　(dB) Step：0.01 (dB) Response None Example :POW:ATT 10 Sets the attenuator value to 10 dB. [:SOURce]:POWer:ATTenuation? Syntax [:SOURce]:POWer:ATTenuation? Description　 Reads out the attenuator value.
  • Page 87 Tunable Semiconductor Laser TSL-710 [:SOURce]:POWer:SHUTter Syntax [:SOURce]: POWer : SHUTter<wsp> <value> Description Sets Open/Close status of the internal shutter. Parameter 0：Shutter Open 1: Shutter Close Response None Example : POW : SHU T 1 Closes the internal shutter. [:SOURce]:POWer:SHUTter? Syntax [:SOURce]:POWer:SHUTter? Description　...
  • Page 88 TSL-710 Operation Manual [:SOURce]:POWer[:LEVel] Syntax [:SOURce]: POWer [:LEVel ] <wsp> <value> Description Sets the optical output power. Parameter　 Range: 30dB up to peak power Typical value -20 ~ +10dBm (0.01 ~ 10mW) The available range of output power depends on the product characteristics.
  • Page 89 Tunable Semiconductor Laser TSL-710 Parameter None Response Range: 30dB up to peak power Typical value -20 ~ +10dBm (0.01 ~ 10mW) The available range of output power depends on the product characteristics. Step: 0.01dBm (0.01mW) The unit is previously set with the [:SOURce]:POWer:UNIT command.
  • Page 90 TSL-710 Operation Manual Example :WAV:UNIT? → 1 Indicates that the wavelength unit is THz. [:SOURce]:WAVelength Syntax [:SOURce]:WAVelength<wsp><value> Description　 Sets the output wavelength. Parameter Range：Range: Minimum setting wavelength to Maximum　 (nm) Step：0.0001 (nm) Response None Example :WAV 1550 Sets the output wavelength to 1550 nm.
  • Page 91 Tunable Semiconductor Laser TSL-710 Response Range：-100.00 〜 +100.00　 (Unit: None) Step：0.01 (Unit: None) Example :WAV:FIN? → 100.00 Indicates that the setting value of the fine-tuning is 100. [:SOURce]:WAVelength:FINe:DISable Syntax [:SOURce]:WAVelength:FINe:DISable Description　 Disables the fine-tuning. Parameter None Response None Example :WAV:FIN:DIS...
  • Page 92 TSL-710 Operation Manual [:SOURce]:WAVelength:SWEep:CYCLes Syntax [:SOURce]:WAVelength:SWEep: CYCLes <wsp> <value> Description　 Sets the number of wavelength sweeps. Parameter Range：0 〜 999　　 Step：1 Response None Example :WAV:SWE:CYCL 100 Sets the number of sweeps to100. [:SOURce]:WAVelength:SWEep:CYCLes? Syntax [:SOURce]:WAVelength:SWEep:CYCLes? Description　 Reads out the setting of the number of wavelength sweeps.
  • Page 93 Tunable Semiconductor Laser TSL-710 [:SOURce]:WAVelength:SWEep:DELay? Syntax [:SOURce]:WAVelength:SWEep:DELay? Description　 Reads out the wait time between each sweep in continuous sweep operation. Parameter None Response Range：0 〜 999.9 (s)　　 Step：0.1 Example : WAV:SWE:DEL? → 1.0 Indicates that the wait time is set to 1 second.
  • Page 94 TSL-710 Operation Manual Response None Example :WAV:SWE:MOD 1 Sets the sweep mode to Continuous operation, One-way mode. [:SOURce]:WAVelength:SWEep:MODe? Syntax [:SOURce]:WAVelength:SWEep:MODe? Description　 Reads out the sweep operation mode. Parameter None Response 0: Step operation, One-way 1: Continuous operation, One-way 2: Step operation, Two-way...
  • Page 95 Tunable Semiconductor Laser TSL-710 [:SOURce]:WAVelength:SWEep:STARt Syntax [:SOURce]:WAVelength:SWEep:STARt<wsp><value> Description　 Sets the sweep start wavelength. Parameter Range: Wavelength range (nm) Step：0.0001 (nm) Response None Example :WAV: SWE: STAR 1500 Sets the sweep start wavelength to 1500 nm. [:SOURce]:WAVelength:SWEep:STARt? Syntax [:SOURce]:WAVelength:SWEep: STARt? Description　...
  • Page 96 TSL-710 Operation Manual [:SOURce]:WAVelength:SWEep:STEP[:WIDTh] Syntax [:SOURce]: WAVelength:SWEep:STEP [:WIDTh ] <wsp> <value> Description　 Sets the step interval (wavelength) of step sweeps. Parameter Range：0.0001 〜 160 (nm) Step：0.0001 (nm) Response None Example :WAV:SWE:STEP 0.1 Sets the step interval to 0.1 nm. [:SOURce]:WAVelength:SWEep:STEP[:WIDTh]?
  • Page 97 Tunable Semiconductor Laser TSL-710 [:SOURce][:WAVelength]:FREQuency:SWEep:STOP Syntax [:SOURce][:WAVelength]:FREQuency:SWEep: STOP<wsp><value> Description　 Sets the sweep end frequency. Parameter Range: Frequency tuning range (THz) Step：0.00001 (THz) Response None Example :FREQ:SWE:STOP 199.8616 Sets the sweep end frequency to 199.8616 THz. [:SOURce][:WAVelength]:FREQuency:SWEep:STOP? Syntax [:SOURce][:WAVelength]:FREQuency:SWEep:STOP? Description　 Reads out the sweep end frequency.
  • Page 98 TSL-710 Operation Manual [:SOURce]:WAVelength:SWEep[:STATe] Syntax [:SOURce]:WAVelength:SWEep [:STATe] <wsp> <value> Description　 Sets the sweep mode state. Parameter 0: Stop. Stops the sweep. Available during sweep operation, and pause. 1: Start. Executes a sweep one time. Available in sweep stop state. Repeating operations are executed with other commands.
  • Page 99 Tunable Semiconductor Laser TSL-710 [:SOURce]:WAVelength:SWEep:SOFTtrigger Syntax [:SOURce]:WAVelength:SWEep:SOFTtrigger Description　 Issues a soft trigger. Executes sweep from trigger standby mode. Parameter None Response None Example : WAV:SWE:SOFT Issues a soft trigger. [:SOURce]:READout:POINts? Syntax [:SOURce]:READout:POINts? Description　 Reads the number of data points recorded by wavelength logging.
  • Page 100 TSL-710 Operation Manual [:SOURce]:AM:STATe? Syntax [:SOURce]:AM:STATe? Description　 Reads out status of amplitude modulation of the laser output. Parameter None Response 0:Disable 1:Enable Example :AM:STAT? →1 Indicates that the amplitude modulation is enabled. 6. Command error Errors issued in Command set 1 are stored as error messages in the error queue and can be read out with the ”:SYSTem:ERRor?”...

  • Page 101: Specific Command Set List (Command Set 2)

    Tunable Semiconductor Laser TSL-710 ■ 7-4-2. TSL-710 Specific Command set List (Command set 2) This Command set maintains compatibility with existing Santec products, though does not satisfy the requirements specified in IEEE-488.2. Only Command set 2 is available at control when using USB or RS-232C.
  • Page 102 TSL-710 Operation Manual Command Description Page Sets / reads out the step interval (frequency) of 7-55 step sweeps. Sets the sweep operation mode. 7-55 Execute a sweep. 7-56 Pause the sweep. 7-56 Stop the sweep. 7-56 Resume the sweep from pause state.
  • Page 103 Tunable Semiconductor Laser TSL-710 2. TSL-710 specific command detailed description Specific commands in Command set 2 are described in detail as follows. *IDN? Syntax *IDN? Description A query to identify the device; places strings of device information such as the name, firmware, and version in the output queue. Parameter None Response SANTEC,TSL-710,########,****.****...
  • Page 104 TSL-710 Operation Manual Response Currently set value. A value is returned both on setting and on reading. Example Sets output frequency to 192.0000THz. FQ192.0000 Reads out the currently set value → 192.0000 Indicates that the currently set frequency is 192.0000THz. Syntax FT<value> Description Sets the Fine-Tuning value. When parameter is not specified, reads out the value currently set. Parameter Range: -100 ~+ 100 Step: 0.01 Response Currently set value. A value is returned both on setting and on reading. Example Sets the Fine-Tuning value to –50. FT-50 Reads out the currently set value → 0100.00 Indicates that the currently set value is 100.
  • Page 105 Tunable Semiconductor Laser TSL-710 Syntax LP<value> Description Sets the optical output power in mW. When parameter is not specified, reads out the actual power value. Parameter Range: 0.01 ~ 10mW (typical) Step: 0.01(mW) Response Currently set value. A value is returned both on setting and on reading. Example Sets the optical output power to 10mW. LP10 Reads out the actual power value. → 010.005 Indicates that the actual power value is 10.005mW. Syntax Description Sets the power control to Auto. Parameter None Response None Syntax Description Sets the power control to Manual. Parameter None Response None Syntax AT<value> Description Sets the internal attenuator value.
  • Page 106 TSL-710 Operation Manual Syntax Description Sets OPEN status of the internal shutter. Parameter None Response None Syntax Description Revises the compensate power data of sweeps in auto power mode. Recommend executing this command when "Over LD"or"Low Pwr" is displayed. Parameter None Response None Syntax SS<value> Description Sets the sweep start wavelength. When parameter is not specified, reads out the currently set value. Parameter Range: Minimum setting wavelength to Maximum (nm) Step: 0.0001(nm) Response Currently set value. A value is returned both on setting and on reading. Example Sets the sweep start wavelength to 1510nm. SS1510 Reads out the currently set value. → 1560.000 Indicates that the currently set start wavelength is 1560nm. Syntax FS<value> Description Sets the sweep start frequency. When parameter is not specified, reads...
  • Page 107 Tunable Semiconductor Laser TSL-710 Syntax SE<value> Description Sets the sweep stop wavelength. When parameter is not specified, reads out the currently set value. Parameter Range: Minimum setting wavelength to Maximum (nm) Step: 0.0001(nm) Response Currently set value. A value is returned both on setting and on reading. Example Sets the sweep stop wavelength to 1630nm. SE1630 Reads out the currently set value. → 1560.000 Indicates that the currently set stop wavelength is 1560nm. Syntax FF<value> Description Sets the sweep stop frequency. When parameter is not specified, reads out the currently set value. Parameter Range: Minimum setting frequency to Maximum (THz) Step: 0.00001 (THz) Response Currently set value. A value is returned both on setting and on reading. Example Sets the sweep stop frequency to 199.8616THz. FF199.8616 Reads out the currently set value. → 199.8616 Indicates that the currently set stop frequency is 199.8616THz.
  • Page 108 TSL-710 Operation Manual SB Syntax SB<value> Description Sets the amount of time spent during each step in step sweep operation. The wait time between each sweep is also set to the same value. This wait time does not include the time required for wavelength conversion. When parameter is not specified, reads out the currently set value. Parameter Range: 0 ~ 999.9 (s) Step: 0.1 (s) Response Currently set value. A value is returned both on setting and on reading. Example Sets the wait time of each step to 1 second. Reads out the currently set value. → 0000.50 Indicates that the currently set wait time of each step is 0.5 second. Syntax SZ<value> Description Sets the number of wavelength sweeps. When parameter is not specified, reads out the currently set value. Parameter Range: 0 ~999 Step: Response Currently set value. A value is returned both on setting and on reading. Example Sets the number of sweeps to 100. SZ100 Reads out the currently set value. → 000100 Indicates that the number of sweeps is set to 100.
  • Page 109 Tunable Semiconductor Laser TSL-710 Syntax WW<value> Description Sets the step interval (wavelength) of step sweeps. When parameter is not specified, reads out the currently set value. Parameter Range: 0.0001 ~ 160 (nm) Step: 0.0001 (nm) Response Currently set value. A value is returned both on setting and on reading. Example Sets the step interval to 1 nm. Reads out the currently set value. → 010.000 Indicates that the step interval is 10nm. Syntax WF<value> Description Sets the step interval (frequency) of step sweeps. When parameter is not specified, reads out the currently set value. Parameter Range: 0.00002 ~ 19.76219 (THz) Step: 0.00001 (THz) Response Currently set value. A value is returned both on setting and on reading. Example Sets the step interval (frequency) to 0.1 THz. WF0.1 Reads out the currently set value. → 00.1000 Indicates that the step interval (frequency) is 0.1THz. Syntax SM<value>...

  • Page 110: Sg Execute A Sweep

    TSL-710 Operation Manual Response Currently set value. A value is returned both on setting and on reading. Example Sets the sweep mode to Continuous One-way operation. Reads out the currently set value. → 00009 Indicates that Step one-way operation is started by trigger signal. Syntax Description Executes sweeps or puts the device in trigger signal input standby. When sweep mode is SM1 to 6, executes sweeps of number that specified by SZ. When sweep mode is SM7 to 12, puts the device in trigger signal input standby. Parameter None: Executes multiple sweeps. 1: Executes a sweep once. Response None Example Execute a sweep. Syntax Description Pauses the sweep. When a fast sweep speed is set, pause will not function. Parameter None Response None Example Pauses the sweep. Syntax Description Stops the sweep.

  • Page 111: Sx Reads Out The Current Number Of Completed Sweeps

    Tunable Semiconductor Laser TSL-710 Syntax Description Issues a soft ware trigger. This command is used as institute of an external trigger. Set the sweep mode from SM 7 to 12, and trigger standby before operation. Parameter None Response None Example Starts a sweep. Syntax SX Description Reads out the current number of completed sweeps. Parameter None Response current number Example → 000100 Indicates that the number of completed sweeps is 100. Syntax Description Reads out the current sweep condition. Parameter None Response 0: Stop 1: Executing 2: Pause 3: Awaiting Trigger 4: Setting to sweep start wavelength *When in state “4”, sweep stop/pause commands are not a ccepted.

  • Page 112: Co Turns On The Coherence Control

    TSL-710 Operation Manual Syntax TM<value> Description Sets the timing of the trigger signal output. When parameter is not specified, reads out the currently set value. Parameter 0:None 1:Stop 2:Start 3:Step Response Currently set value Example Sets the timing to Stop. Syntax TW<value> Description Sets the interval of the trigger signal output. When parameter is not specified, reads out the currently set value. Parameter Range: 0.0001 ~ 160 (nm) Step: 0.0001 (nm) Response Currently set value. A value is returned both on setting and on reading. Example Sets the interval of the trigger signal output to 1nm. Syntax Description Turns On the coherence control. Coherence control cannot be changed to ON. when modulation setting is “Ext.”. Parameter None Response...
  • Page 113 Tunable Semiconductor Laser TSL-710 Syntax GD<value> Description Sets the command delimiter for GPIB communication. When parameter is not specified, reads out the currently set value. Parameter 0:CR 1:LF 2:CR+LF 3:No delimiter, EOI is sent. Response Currently set value Example Sets the command delimiter to CR+LF. BL Syntax BL<value> Description Sets the speed of serial communication (Baud rate). When parameter is not specified, reads out the currently set value. Parameter 0:2400bps 1:4800bps 2:9600bps 3:19200bps Response Currently set value Example Sets baud rate to 19200bps. Syntax SD<value> Description Sets the command delimiter for serial communication. When parameter is...
  • Page 114 TSL-710 Operation Manual Syntax Description Reads out the status. Parameter None Response Status. Status is shown by the first sign and the numerical value of six digits. The state that each digit shows is as follows. Code digit digit －□□□□□□ digit digit digit digit Code [-/none ] indicates LD status. 0:OFF, 1:ON 6th digit [0 / 1] indicates coherence control. 0:OFF, 1:ON 5th digit [0 / 1] indicates Fine-tuning. 0:OFF, 1:ON 4th digit [0 - 5] indicates control mode of output power, attenuator, and power monitor range. For detail refer to the table below. 3rd digit [0 / 1] indicates LD temperature error. 0:No error, 1:Error occurred. 2nd digit [0 / 1] indicates LD current limit error. 0:No error, 1:Error occurred. 1st digit [0 - 7] indicates operation status. 0:Operation is completed. 1:Wavelength is tuning. 2:LD current is setting (LD is on state and power control is Auto). 3:Wavelength is tuning and LD current is setting . 4:Attenuator is setting. 5:wavelength is setting and attenuator is setting. 6:LD current is setting and attenuator is setting. 7:Wavelength is tuning ,LD current is setting and attenuator is setting. Example Reads status. → -000005 LD is ON ,wavelength tuning is operating and attenuator tuning is operating.

  • Page 115: Tn Reads The Number Of Data Points Recorded By Wavelength

    Tunable Semiconductor Laser TSL-710 Detail description of the 4th digit Power monitor Value Power control Attenuator control range control Auto Hold Auto Manual Hold (Manual) Auto Auto Auto Auto Auto Hold Hold Manual Hold (Manual) Hold Syntax Description Reads the number of data points recorded by wavelength logging. Parameter None Response 00000 ~ 65535 (The numerical value of five digits) Example → 01000 Indicates that recorded data points are 1000.

  • Page 116: Hfe

    TSL-710 Operation Manual HFE Syntax Description Turns the status of external modulation bandwidth broader. This command is necessary when LF modulation is used. External modulation setting cannot be changed to enable, when coherence control is ON. Parameter None Response None HFD Syntax Description Turns the status of external modulation bandwidth narrower. It is effective for reduction of the spectral linewidth. Parameter None Response None Syntax WAS <value> Description Registers a wavelength data to the memory area. Wavelength that is registered is currently set wavelength. Parameter Memory number Response None Syntax WAM<value> Description Recalls the wavelength data from the memory area. Wavelength is set to the recalled value. Parameter Memory number...

  • Page 117: Operating Principles

    RS-232C Control Circuit Trigger signal TSL-710 block diagram This device consists of an external cavity laser, optical attenuator, optical power monitor, Wavelength monitor and an electronic control circuit. As shown in Fig.2, the external cavity laser consists of a laser diode (LD), diffraction grating and a mirror. By changing the angle of the mirror, the lasing wavelength can be tuned.
  • Page 118 TSL-710 Operation Manual...

  • Page 119: Specifications

    Tunable Semiconductor Laser TSL-710 Specifications 9-1 Specifications...

  • Page 120: Regulations Conformity

    TSL-710 Operation Manual 9-2 Regulations conformity This product conforms the following standards. ● EMC: EN 61326-1:2013 EN55011:2009 + A1:2010 (Class A, Group 1) EN61000-4-2:2009 EN61000-4-3:2006 + A1:2008 + A2:2010 EN61000-4-4:2012 EN61000-4-5:2014 + A1:2017 EN61000-4-6:2014 EN61000-4-8:2010 EN61000-4-11:2004 + A1:2017 FCC 47 CFR Part15 Subpart B Class A (ANSI C63.4:2014) ICES-003 Issue 6 Class A (ANZI C63.4:2014)

  • Page 121: Maintenance

    Connection of the optical fiber with dust and dirt on the end of the optical connector of TSL-710 cause loss of optical output, therefore, clean the connector periodically. The optical adapter arranged at the optical connector may be pulled out by removing fixation screws, therefore, remove it and clean the end of the optical connector.

  • Page 122: Replacing Fuses

    10 -4 Inspection/Calibration TSL-710 is warranted for a period of one year. Inspection and calibration on a regular basis (once every 12 months) is recommended.Please contact our Sales Department concerning requests for instrument inspection/calibration or consultation on other matters.

  • Page 123: Re-Packing And Shipping

    Tunable Semiconductor Laser TSL-710 Re-packing and Shipping Special attention for re-packing and shipping is required when you ship the instrument for repair or to a remote location. 11-1 Re-packing Please make sure that the original shipping box is used during the shipment, according to the following instructions.

  • Page 124: Packing Instruction

    TSL-710 Operation Manual 11-2 Packing Instruction 1 Please pack the instrument as shown below. < Side Angle > Absorb the shock during the shipment by holding the instrument with fi lms that works as a cushion from the top and the bottom 2 Close the box while applying the pressure.

  • Page 125: Troubleshooting

    Tunable Semiconductor Laser TSL-710 Troubleshooting Fault condition Cause Action No power Cord is unconnected. Connect cord properly. No fuse or fuse is blown out Open the fuse box lid and replace fuse. The unit is not turn off. Some electrical faults occur.
  • Page 126 Grand Union Studios, 332 Ladbroke Grove, London W10 5AD, UK SANTEC EUROPE LIMITED Tel: +44-20-3176-1550 11F Room E, Hua Du Bldg., No.838 Zhangyang Road, Pudong, Shanghai 200122 China SANTEC (SHANGHAI) Co., Ltd Tel: +86-21-58361261, +86-21-58361262 Fax: +86-21-58361263 www.santec.com TSL-710-M-E-Ver.2.0 CODE-202007-AS-KW-CPY/ Santec corporation/AD&Design sec. 12-2...

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