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Santec TSL-770 Operation Manual

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Tunable Semiconductor Laser
TSL-770
Operation Manual

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Summary of Contents for Santec TSL-770

  • Page 1 Tunable Semiconductor Laser TSL-770 Operation Manual...
  • Page 2 TSL-770 Operation Manual Notes to Users 1) Copyright 2018, 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-770, and it is intended for those with sufficient knowledge enough to of laser danger and its safe control. Before operating TSL-770, 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. SANTEC recommends that Chapter 1 to 4 should be read carefully before proceeding to the following chapters. Chapters 5 to 7 describe how to operate the product.
  • Page 5 Tunable Semiconductor Laser TSL-770 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-770 Operation Manual Contents Introduction How to Read the Manual Explanation of Terms 1. Safety Notes Intended use Safety Markings Laser Class 2. Product Composition 3. Panel Descriptions Front Panel Rear Panel Side Panel 4. Installation Operating Enviroments Power Supply Interlock 5.
  • Page 7 Tunable Semiconductor Laser TSL-770 Power Monitor Signal Output 6-10 Trigger Setting 6-11 Displaying the Product Information 6-13 System Alert 6-14 Screen Brightness Settings 6-15 7. Operation By Communication GPIB 　　7-1-1 Connection 　　7-1-2 GP-IB Function 　　7-1-3 Setting Address, Delimiter, and Command set 　　7-2-1 Connection...
  • Page 8 TSL-770 Operation Manual 11. Troubleshooting 11-1...

  • Page 9: Safety Notes

    Tunable Semiconductor Laser TSL-770 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-770 Operation Manual 1-3 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-770 Product Composition This product is composed of the TSL-770 body and accessories. Check to make sure that all the following items are included. • TSL-770 Body • Power cord • Interlock terminator • Operation Manual & Software •...
  • Page 12 TSL-770 Operation Manual...

  • Page 13: Panel Descriptions

    Tunable Semiconductor Laser TSL-770 Panel Descriptions 3-1 Front Panel Numeric keypad Optical Output Active key Display and Touch screen Dial ENTER key HOME key Optical Output Power On/Off key Connector (inside) and LED indicator 3-2 Rear Panel External Interlock Trigger connectors...

  • Page 14: Side Panel

    TSL-770 Operation Manual 3-3 Side Panel Handle Air intakes Rear feet Legs...

  • Page 15: Installation

    ･ Do not place with possible exposure to water. Be sure to install the TSL-770 in a level place (less than 5 degree). It is recommended to install this product on a vibration-proof base. The unit may not operate correctly if the device is set in an inclined position.

  • Page 16: Interlock

    TSL-770 Operation Manual 4-3 Interlock This product is equipped with a terminal for connecting an external interlock circuit. A terminator is connected to the interlock terminal at the time of factory shipment (or included as an accessory). If an external interlock is used, remove the terminator and connect a circuit to the interlock terminal.

  • Page 17: Basic Operation

    Tunable Semiconductor Laser TSL-770 Basic Operation 5 -1 Turning on the Unit Press the Power ON/OFF key at the lower left of the front panel. The LED of the power ON/OFF key will turn green, and initialization will last for about 30 seconds.

  • Page 18: Laser Output

    TSL-770 Operation Manual 5 -2 Laser Output CAUTION Make sure that the optical fiber is connected correctly to the optical output connector before performing LD output. 1. Press the Optical Output Active key. The key top turns green and the optical output becomes active.

  • Page 19: Setting The Wavelength

    Tunable Semiconductor Laser TSL-770 5-3 Setting the Wavelength Touch 　λ　 on the main screen 1.　 2.　 The wavelength setting screen appears, and the cursor highlights in the wavelength display area. Input values according to “How to input values” (Refer to next page.).
  • Page 20 TSL-770 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 21 Tunable Semiconductor Laser TSL-770 Changing the Unit of the Wavelength ■ (1) Touch nm/THz on the wavelength setting screen. (2) The display and input unit is changed. (3) Do the same operation when switching back to the original setting. If the unit is set to frequency, another setting is displayed for the frequency.

  • Page 22: Setting The Optical Power

    TSL-770 Operation Manual 5-4 Setting the Optical Power Touch POWER on the main screen. The power setting screen appears, and the cursor highlights in the power display area. 3. Input a value according to “How to input values” on page 5-4.
  • Page 23 Tunable Semiconductor Laser TSL-770 Changing the Unit of the Power ■ (1) Touch mW/dBm on the power setting screen. (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 24: Setting The Wavelength Sweep

    TSL-770 Operation Manual 5-5 Setting the Wavelength Sweep 1.　 Touch SWEEP on the main screen. Sweep setting screen appears. There are two sweep setting screens in all. Setting is possible on the item on which the cursor is highlighting. Touching screen and select the item to set.
  • Page 25 Tunable Semiconductor Laser TSL-770 The setting items are as follows: Sweep Setting (1/3) λ start Sets the sweep start wavelength Range: Wavelength ranges specified in the specifications Unit: 0.0001 nm λ stop Sets the sweep end wavelength Range: Wavelength ranges specified in the specifications Unit: 0.0001 nm Sets the optical power during sweep...
  • Page 26 TSL-770 Operation Manual Mode Sets the sweep operation mode. Select from the following four modes: (A) Step One way Perform one-way sweep with step operation. Change the 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-770 　　 (B) Step Two way Perform two-way sweep with step operation. Change the wavelength from the start wavelength to the end wavelength with the wavelength interval set by STEP and the wait time set by Dwell. Afterwards, change the wavelength from the end wavelength to the start wavelength in the same manner.
  • Page 28 TSL-770 Operation Manual 　　 (D) Sweep Two way 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 29 Tunable Semiconductor Laser TSL-770 If Sweep mode is selected 〈 〉 Speed Sets the sweep speed Range: 0.5 to 200.0 nm/s Unit: 0.1nm/s (0.5 to 1nm/s) 1nm/s (1 to 10nm/s) 10nm/s (10 to 200nm/s) Delay Sets the wait time between each sweep Range: 0.0 to 999.9 s...
  • Page 30 TSL-770 Operation Manual Sweep Setting (3/3) Input Trigger Front Key: Turning the dial on the front panel clockwise or software trigger command are recognized as a trigger signal. Rear BNC: The TTL signal input into Trigger Input on the rear panel is recognized as a trigger signal.

  • Page 31: Executing The Wavelength Sweep

    Tunable Semiconductor Laser TSL-770 5-6 Executing the Wavelength Sweep 1.　 Touch SWEEP on the main screen. The Sweep setting screen appears. Perform operations according to the soft key menu on the sweep setting screen 3. One-time sweep operation Touch SINGLE to execute a series of operations.
  • Page 32 TSL-770 Operation Manual The current wavelength is displayed at λ in the first line during sweep operation. An curr indicator showing the sweep progress is displayed on the bottom line. 4. 　Multiple sweep operations Touch REPEAT to execute repeat operations: Sweep Mode： Changes the wavelength continuously following the set sweep speed.
  • Page 33 Tunable Semiconductor Laser TSL-770 5. 　Executing a sweep at the timing of trigger input Touch TRIGGER to enter trigger standby mode. ”Trigger” lights up on the screen. Execute the sweep by inputting any of the following triggers in trigger standby mode.

  • Page 34: Turning Off The Unit

    TSL-770 Operation Manual 5 -7 Turning off the Unit Turn off Optical output. (Refer to "5-2. Laser output") Press the power ON/OFF key for at least 2 seconds. “Shutting Down ...” is displayed on the main screen and LED of ON/OFF key blinks during power shut down operation.

  • Page 35: Detailed Operation

    Tunable Semiconductor Laser TSL-770 Detailed Operation 6 -1 Fine-tuning Fine-tuning adjusts output wavelength with a resolution under 1MHz. The adjustable wavelength range is about 10 GHz (about 80 pm around 1550 nm). Fine-tuning can be also performed with an external analog signal. Refer to “6-6.
  • Page 36 TSL-770 Operation Manual ■ How to cancel on the front panel In fine-tuning mode, touch FINE or set the wavelength to the reference value to cancel fine-tuning mode. NOTE Closed-loop wavelength control is stopped when Fine-tuning function is active. To restart Closed-loop wavelength control, cancel Fine-tuning mode.

  • Page 37: Coherence Control

    Tunable Semiconductor Laser TSL-770 6-2 Coherence Control Coherence Control increases spectral linewidth of output light. Coherency of output light is reduced by this function, and fluctuation of optical power by interference can be suppressed. If fluctuation of optical power becomes a problem due to influence from reflecting point in a system using the device, use the function.

  • Page 38: External Modulation

    TSL-770 Operation Manual ■ How to cancel 1. Turn State OFF. 2. Coherence control function turns OFF, and “Coh.Ctrl” turns off on the screen. 6-3 External Modulation This product is equipped with a function for modulating the intensity of optical power using external signal.
  • Page 39 Tunable Semiconductor Laser TSL-770 CAUTION Never apply voltage out of the input voltage range. Excess voltage causes so may damage the device. Analog input ■ How to cancel 1. Stop modulation signal. 2. Turn State OFF. NOTE Wavelength control and Auto Power control are canceled during “LF Mod” is...

  • Page 40: High-Frequency Modulation (Option)

    TSL-770 Operation Manual ■ 6-3-2 High-frequency Modulation (Option) Modulating the intensity of optical power is performed at relatively low frequency. Specifications Input voltage : 3.3 Vp-p Modulation depth : 10% (3.3 Vp-p input, Typ.) Bandwidth : 1 to 100 MHz (Typ.) Input Impedance : 50Ω...
  • Page 41 Tunable Semiconductor Laser TSL-770 Remove a short circuit cap on the BNC connector labeled “RF Mod.” Input the modulation signal into “RF Mod.” Connector. CAUTION Never apply voltage out of the input voltage range. Excess voltage causes so may damage the device.

  • Page 42: Wavelength Modulation

    TSL-770 Operation Manual ■ 6-3-3 Wavelength Modulation The function fine tunes wavelength with external signal. Specifications Input voltage : -1.2 ~ +1.2 V Modulation depth : 5 GHz/V (Typ.) Bandwidth : 100 Hz (Typ.) Input impedance: 4.7kΩ Input terminal: ANALOG INPUT ■...
  • Page 43 Tunable Semiconductor Laser TSL-770 CAUTION Never apply voltage out of the input voltage range. Excess voltage causes so may damage the device. Analog input ■ How to cancel manual control mode 1. Stop modulation signal. 2. Turn State OFF. NOTE Closed-loop wavelength control is stopped when wavelength modulation is active.

  • Page 44: Power Monitor Signal Output

    The function outputs voltage signal according to integrated power monitor. It can be used to compensate optical output power fluctuation in real time. (For example, this feature is best recommended to be used with Santec’s Swept Test System as WDL/PDL measurement solution.) Power Monitor Signal is output from BNC connector leveled “POWER MONITOR”...

  • Page 45: Trigger Setting

    Tunable Semiconductor Laser TSL-770 6-5 Trigger Setting Trigger signals can be used for synchronizing with external instruments. Specifications of output trigger signal Signal Voltage: 3.3V (High), 0V (Low) Signal width: 25 μs Repetition rate: 20 kHz (Maximum) 1.Touch MENU and TRIGGER to move to trigger setting screen.
  • Page 46 TSL-770 Operation Manual Input Polarity Sets input trigger polarity. High Active Triggers on a rising edge. Low Active Triggers on a falling edge. Output Polarity Sets output trigger polarity. High Active Select when use an instruments that identifies rising edge.

  • Page 47: Displaying The Product Information

    Tunable Semiconductor Laser TSL-770 6-6 Displaying the Product Information Display the various product information. 1.Touch MENU , NEXT , and INFO to move to the screen for various settings. 2.There are two screens for various settings in all. Touch > to go to the next screen.

  • Page 48: System Alert

    TSL-770 Operation Manual 6-7 System Alert If an error occurs in the product “SysAlert” is displayed in the upper right corner of the screen. Follow the following steps to check the details of the error: 1.Touch MENU , NEXT , NEXT , and ALARM . The alarm screen will be displayed.

  • Page 49: Screen Brightness Settings

    Tunable Semiconductor Laser TSL-770 Error number Details How to deal with it Error 20 There is an error in the temperature The ambient temperature may have control function of the optical engine. exceeded the operating temperature Or, an error has occurred during range.
  • Page 50 TSL-770 Operation Manual 6-16...

  • Page 51: Operation By Communication

    Tunable Semiconductor Laser TSL-770 Operation by Communication This device supports GP-IB, LAN and USB as means of communication. The setting method, characteristics, and differences of each method are described below. 7-1 GPIB A communication function based on standards specified in IEEE-488.

  • Page 52: Gp-Ib Function

    TSL-770 Operation Manual ■ 7-1-2. GP-IB Function GP-IB has 10 kinds of interface functions, each of which has its grade that is called its subset. A "0" after the symbol of each function shows that support is not made, and each numeric value represents grade.

  • Page 53: Setting Address, Delimiter, And Command Set

    Tunable Semiconductor Laser TSL-770 ■ 7-1-3. Setting the Address, Delimiter, and Command set 1. Touch MENU , NEXT , COM , and GPIB . The GPIB settings screen will be displayed. 2. Set GPIB address and delimiter. Address: Set a unique value from 1 to 30. The default value is 1.

  • Page 54: Usb

    TSL-770 Operation Manual 7- 2 USB ■ 7-2-1. Connection Connect USB B type cable to the connector leveled “USB DEVICE” on rear panel. “USB HOST” connector is not used for communication. USB (Device) ■ 7-2-2. Communication Conditions and System Requirements USB 2.0 compatible...

  • Page 55: 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 7-2-3-1) and open “TSL-770” under “Other devices.” Right-click on “TSL-770” and click on “Update Driver Software...”.
  • Page 56 TSL-770 Operation Manual 2. Click on “Browse my computer for driver software” when message window (Figure 7-2-3-2) appears. Figure7-2-3-2. Update driver software 3. On message window (Figure 7-2-3-3), click on “Browse” button to select the driver software location under Removable disk included in package. (e.g. D:\Common\USB...
  • Page 57 Tunable Semiconductor Laser TSL-770 4. Installation will automatically start. Message window Figure 7-2-3-4 will appear. Figure7-2-3-4. Installation in progress 5. If a Windows Security message in Figure 7-2-3-5 appears, please click on “Install this driver software anyway” to proceed.
  • Page 58 TSL-770 Operation Manual 6. Installation is completed successfully when Figure 7-2-3-6 appears. Click on “Close” to exit the installation. Figure7-2-3-6. Installation complete Figure7-2-3-7. Installation confirmation...

  • Page 59: Installing A Vcp Driver Software

    To enable VCP communication, VCP driver software must be installed. 1. After installed USB driver software by 7-2-3, open “Device Manager” (Figure 7-2-4- 1),and open “Santec USB TSL-770” under “Universal Serial Bus Controllers”. Right- click on “Santec USB TSL-770” and click on “Properties”.
  • Page 60 TSL-770 Operation Manual 3. Disconnect USB cable from PC, and reconnect to PC. Open “Device Manager” (Figure 7-2-4-3) and open “USB Serial Port” under “Other Devices”. Right-click on “USB Serial Port” and click on “Properties”. Figure7-2-4-3 Device Manager 4. Click “Update Driver…” in “Driver” tab.
  • Page 61 Tunable Semiconductor Laser TSL-770 5. Click on “Browse my computer for driver software” when message window (Figure 7-2-4-5) appears. Figure7-2-4-5. Update Driver Software 6. On Message window (Figure 7-2-4-6), click on “Browse” button to select the driver software location under Removable disk included in package.(e.g. D:\Common\USB...
  • Page 62 TSL-770 Operation Manual 7. Installation will automatically start. Message window Figure 7-2-4-7 will appear. Figure7-2-4-7. Installation in progress 8. Installation is completed successfully when Figure 7-2-4-8 appears. Click on “Close” to Exit the installation. Figure7-2-4-8. Installation complete 7-12...

  • Page 63: Lan

    Tunable Semiconductor Laser TSL-770 9. Open “Device Manager” (Figure 7-2-4-9), to check added information of serial port number on “Ports (COM & LPT). (E.g. USB Serial Port (COM9)) Figure7-2-4-9. Device Manager 7- 3 LAN ■ 7-3-1. Connection Connect the LAN cable to the RJ-45 connector on the rear panel.

  • Page 64: Communication Conditions And System Requirements

    TSL-770 Operation Manual ■ 7-3-2. Communication Conditions and System Requirements Electrical Specifications: IEEE802.3 Standard Transfer Method: Ethernet (100BASE-TX) Transfer speed: 100Mbps Communication Protocol: TCP/IP Connector Type: RJ-45IP IP Address: *.*.*.* (* = integer from 0 ~ 255) Subnet mask: *.*.*.* (* = integer from 0 ~ 255) Default Gateway: *.*.*.* (* = integer from 0 ~ 255)
  • Page 65 Tunable Semiconductor Laser TSL-770 2. Set the following items. Physical Address The number is unique and cannot be changed. Port Number Set integer number from 0 to 65535 using numeric keypad. DHCP Enabled Set DHCP Enables (YES) or disables (NO).

  • Page 66: Command Reference

    TSL-770 Operation Manual 7- 4 Command Reference 1. Common Command List Available for IEEE-488.2 common commands in the following list. Command Description Page Identification Query *IDN? 7-19 Returns strings that identify the device. Reset (Aborts the standby command.) *RST 7-19 Initiates an instrument self-test and returns the results.
  • Page 67 Tunable Semiconductor Laser TSL-770 2. TSL-770 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)
  • Page 68 TSL-770 Operation Manual 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 69 Tunable Semiconductor Laser TSL-770 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.
  • Page 70 TSL-770 Operation Manual 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 71 Tunable Semiconductor Laser TSL-770 　 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?
  • Page 72 TSL-770 Operation Manual 4. TSL-770 Specific command overview Two kinds of command sets are provided for the TSL-770. 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 73 Tunable Semiconductor Laser TSL-770 Function Command Page Sets / Reads out output wavelength :WAVelength /? 7-25 Sets / Reads out units of wavelength :WAVelength:UNIT /? 7-26 Sets / Reads out fine tuning value :WAVelength:FINe /? 7-26 Sets / Reads output wavelength in...
  • Page 74 TSL-770 Operation Manual Sets / Reads out modulation source :AM:SOURce /? 7-45 Sets / Reads out input trigger mode :TRIGger:INPut:EXTernal /? 7-45 Sets / Reads out input trigger polarity. :TRIGger:INPut[:EXTernal]:ACTive /? 7-46 Executes sweep from trigger :TRIGger:INPut:SOFTtrigger 7-46 standby mode.
  • Page 75 Tunable Semiconductor Laser TSL-770 1）Optical output related commands :WAVelength Syntax (TSL-550SCPI) [:SOURce[n]][:CHANnel[m]]:WAVelength<wsp> <value> (TSL-770SCPI) [:SOURce[n]][:CHANnel[m]]:WAVelength<wsp> <value>[PM|NM|UM|MM|M] Description　 Sets the output wavelength. Parameter Range：Specified wavelength range Step：0.1 pm (TSL-550SCPI) <value> should be decimal notation in “nm” . Character strings representing a unit cannot be accepted. (TSL-770SCPI) <value> is accepted in decimal notation and exponential notation. These numbers are followed by character strings representing a unit. When a unit character string is not specified, m（meter）is used as the default. Response None...
  • Page 76 TSL-770 Operation Manual Response Range：Specified wavelength range Step：0.1pm (TSL-550SCPI) Response is decimal notation in “nm”. (TSL-770SCPI) Response is exponential notation in meters. Example :WAV? → 1550.000 (TSL-550SCPI) → +1.55000000E-006 (TSL-770SCPI) :WAVelength:UNIT Syntax [:SOURce]: WAVelength: UNIT <wsp> <value> Description Sets units of displayed wavelength.
  • Page 77 Tunable Semiconductor Laser TSL-770 Response Range：-100.00 to +100.00 Step：0.01 Example :WAV:FIN? → 100 （TSL-550SCPI） → +1.00000000E+002 （TSL-770SCPI） Fine Tuning is set to 100. [:WAVelength]:FREQuency Syntax (TSL-550SCPI) [:SOURce[n]][:CHANnel[m]]: [:WAVelength]: FREQuency<wsp><value> (TSL-770SCPI) [:SOURce[n]][:CHANnel[m]][:WAVelength]: FREQuency<wsp><value>[Hz|kHz|MHz|GHz|THz] Description　 Sets output wavelength in optical frequency. Parameter Range：Specified wavelength range Step: 10MHz (TSL-550SCPI) <value>...
  • Page 78 TSL-770 Operation Manual MAXimum: Reads out the maximum acceptable frequency. Response (TSL-550SCPI) Response is decimal notation in “THz”. (TSL-770SCPI) Response is exponential notation in Hertz. Example :FREQ? → 200 (TSL-550SCPI) → +2.00000000E+014 (TSL-770SCPI) :COHCtrl Syntax [:SOURce[n]][:CHANnel[m]]:COHCtrl<wsp><value> Description Sets Coherence control status.
  • Page 79 Tunable Semiconductor Laser TSL-770 Description　 Reads out optical output status. Parameter None Response 0: optical output OFF 1: optical output ON Example : POW:STAT? → 1 Optical output is active. :POWer:ATTenuation:AUTo Syntax [:SOURce[n]][:CHANnel[m]]:POWer:ATTenuation:AUTo <wsp><value> Description Switches the power control mode.
  • Page 80 TSL-770 Operation Manual (TSL-770SCPI) <value> is accepted in decimal notation and exponential notation. These numbers are followed by character strings representing a unit. When a unit character string is not specified, the default units are used. The default units are defined by command “:POWer:UNIT”.
  • Page 81 Tunable Semiconductor Laser TSL-770 Description Sets Open/Close status of the internal shutter. The function is same as the Laser ON/OFF command “:POWer:STATe” (Note, the relationship between parameter and state is reversed). Parameter 0：Shutter Open 1 : Shutter Close Response None...
  • Page 82 TSL-770 Operation Manual :WAVelength:SWEep:STARt Syntax (TSL-550SCPI) [:SOURce[n]][:CHANnel[m]]:WAVelength:SWEep:STARt <wsp><value> (TSL-770SCPI) [:SOURce[n]][:CHANnel[m]]:WAVelength:SWEep: STARt <wsp><value>[PM|NM|UM|MM|M] Description Sets the sweep start wavelength. Parameter Range: Specified wavelength range Step: 0.1pm (TSL-550SCPI) <value> should be decimal notation in “nm”. Character strings representing a unit cannot be accepted.
  • Page 83 Tunable Semiconductor Laser TSL-770 :WAVelength:SWEep:STOP Syntax (TSL-550SCPI) [:SOURce[n]][:CHANnel[m]]:WAVelength:SWEep: STOP <wsp><value> (TSL-770SCPI) [:SOURce[n]][:CHANnel[m]]:WAVelength:SWEep: STOP <wsp><value>[PM|NM|UM|MM|M] Description Sets the sweep stop wavelength. Parameter Range: Specified wavelength range Step: 0.1pm (TSL-550SCPI) <value> should be decimal notation in “nm”. Character strings representing a unit cannot be accepted.
  • Page 84 TSL-770 Operation Manual :WAVelength:SWEep:MODe Syntax [:SOURce[n]][:CHANnel[m]]:WAVelength:SWEep: MODe<wsp><value> Description Sets the sweep mode. Parameter 0:Step sweep mode and One way 1:Continuous sweep mode and One way 2:Step sweep mode and Two way 3:Continuous sweep mode and Two way Response None Example :WAV:SWE:MOD 1 Sets the sweep mode to continuous and One way.
  • Page 85 Tunable Semiconductor Laser TSL-770 (TSL-550SCPI) <value> should be decimal notation in “nm/s”. Character strings representing a unit cannot be accepted. (TSL-770SCPI) <value> is accepted in decimal notation and exponential notation. These numbers are followed by character strings representing a unit. When a unit character string is not specified, “m/s”...
  • Page 86 TSL-770 Operation Manual Parameter Range: 0.1pm to specified wavelength span. Step: 0.1 pm (TSL-550SCPI) <value> should be decimal notation in “nm”. Character strings representing a unit cannot be accepted. (TSL-770SCPI) <value> is accepted in decimal notation and exponential notation. These numbers are followed by character strings representing a unit.
  • Page 87 Tunable Semiconductor Laser TSL-770 Description Sets wait time between consequent steps in step sweep mode. This wait time does not include time for wavelength tuning. Parameter Range: 0 to 999.9 sec Step: 0.1 sec Response None Example :WAV:SWE:DWEL 1 Sets the dwell time to 1 second.
  • Page 88 TSL-770 Operation Manual :WAVelength:SWEep:CYCLes? Syntax [:SOURce[n]][:CHANnel[m]]:WAVelength:SWEep: CYCLes? Description Reads out the setting sweep repetition times. Parameter None Response Range: 0 to 999 Example :WAV:SWE:CYCL? → 100 (TSL-550SCPI) →＋ 100 (TSL-770SCPI) The setting repetition times is 100. :WAVelength:SWEep:COUNt? Syntax [:SOURce[n]][:CHANnel[m]]:WAVelength:SWEep: COUNt? Description Reads out elapsed sweep times.
  • Page 89 Tunable Semiconductor Laser TSL-770 Example :WAV:SWE:DEL? → 1.0 (TSL-550SCPI) → +1.00000000E+000 (TSL-770SCPI) Setting wait time is 1 second. [:WAVelength]:FREQuency:SWEep:STARt Syntax (TSL-550SCPI) [:SOURce[n]][:CHANnel[m]][:WAVelength]: FREQuency: SWEep:STARt<wsp><value> (TSL-770SCPI) [:SOURce[n]][:CHANnel[m]][:WAVelength]: FREQuency: SWEep:STARt<wsp><value> [Hz|kHz|MHz|GHz|THz] Description Sets sweep start wavelength in optical frequency. Parameter Range: Specified wavelength range...
  • Page 90 TSL-770 Operation Manual Response (TSL-550SCPI) Response is decimal notation in “THz”. (TSL-770SCPI) Response is exponential notation in “Hz”. Example :FREQ:SWE:STAR? → 185.057 (TSL-550SCPI) → +1.85057000E+014 (TSL-770SCPI) [:WAVelength]:FREQuency:SWEep:STOP Syntax (TSL-550SCPI) [:SOURce[n]][:CHANnel[m]][:WAVelength]: FREQuency: SWEep:STOP<wsp><value> (TSL-770SCPI) [:SOURce[n]][:CHANnel[m]][:WAVelength]: FREQuency: SWEep:STOP<wsp><value> [Hz|kHz|MHz|GHz|THz] Description Sets the sweep stop wavelength in optical frequency.
  • Page 91 Tunable Semiconductor Laser TSL-770 Response (TSL-550SCPI) Response is decimal notation in “THz”. (TSL-770SCPI) Response is exponential notation in “Hz”. Example :FREQ:SWE:STOP? → 185.057 (TSL-550SCPI) → +1.85057000E+014 (TSL-770SCPI) [:WAVelength]:FREQuency:SWEep:STEP[:WIDTh] Syntax (TSL-550SCPI) [:SOURce[n]][:CHANnel[m]][:WAVelength]: FREQuency:SWEep:STEP[:WIDTh]<wsp><value> (TSL-770SCPI) [:SOURce[n]][:CHANnel[m]][:WAVelength] :FREQuency:SWEep:STEP[:WIDTh]<wsp><value> [Hz|kHz|MHz|GHz|THz] Description Sets the step for Step Sweep mode in optical frequency.
  • Page 92 TSL-770 Operation Manual Response (TSL-550SCPI) Response is decimal notation in “THz”. (TSL-770SCPI) Response is exponential notation in “Hz”. Example :FREQ:SWE:STEP? → 0.010 (TSL-550SCPI) → +1.0000000E+010 (TSL-770SCPI) Setting step is 0.01 THz. :WAVelength:SWEep[:STATe] Syntax [:SOURce[n]][:CHANnel[m]]:WAVelength:SWEep [:STATe]<wsp><value> Description Sets sweep status. Parameter 0: Stop.
  • Page 93 Tunable Semiconductor Laser TSL-770 Example :WAV:SWE:REP :READout:POINts? Syntax [:SOURce[n]][:CHANnel[m]]:READout:POINts? Description Reads out the number of logging data. Parameter None Response 0 to 500,000 Example :READ:POIN? → 10000 (TSL-550SCPI) → +10000 (TSL-770SCPI) Recorded data number is 10,000. :READout:DATa? Syntax [:SOURce[n]][:CHANnel[m]]:READout:DATa? Description Reads out logging data.
  • Page 94 TSL-770 Operation Manual :READout:DATa:POWer? Syntax [:SOURce[n]][:CHANnel[m]]:READout:DATa:POWer? Description Reads out power logging data. Parameter None Response The data is comprised of a header (ASCII characters) and wavelength data array (4- byte binary). Example: #42000 □□□□□□□□ ..The “4” after the “#” indicates the number of digits f ollowing is 4.
  • Page 95 Tunable Semiconductor Laser TSL-770 :AM:SOURce Syntax [:SOURce[n]][:CHANnel[m]]:AM: SOURce <wsp><value> Description Selects modulation source. Parameter 0: Coherence control (same operation as “:COHCtrl”) 1: LF amplitude modulation 2: RF amplitude modulation (option) 3: Wavelength frequency modulation Response None Example :AM:SOUR 0 Selects Coherence control.
  • Page 96 TSL-770 Operation Manual Response 0：Disable 1：Enable Example :TRIG:INP:EXT? → 1 External trigger input is enabled. :TRIGger:INPut[:EXTernal]:ACTive Syntax :TRIGger:INPut[:EXTernal]:ACTive<wsp><value> Description Sets input trigger polarity. Parameter 0：High Active Triggers at rising edge. 1：Low Active Triggers at falling edge. Response None Example :TRIG:INP:ACT 1 Sets the input trigger polarity to Low Active.
  • Page 97 Tunable Semiconductor Laser TSL-770 Response None Example TRIG:INP: STAN 1 Puts the device in trigger standby mode. :TRIGger:INPut:STANdby? Syntax :TRIGger:INPut:STANdby? Description Reads out the trigger signal input standby mode. Parameter None Response 0: Normal operation mode 1: Trigger standby mode...
  • Page 98 TSL-770 Operation Manual :TRIGger:OUTPut:ACTive Syntax :TRIGger:OUTPut:ACTive<wsp><value> Description Sets output trigger polarity. Parameter 0：High Active Triggers at rising edge. 1：Low Active Triggers at falling edge. Response None Example :TRIG:OUTP:ACT 0 Sets the output trigger polarity to High Active. :TRIGger:OUTPut:ACTive? Syntax :TRIGger:OUTPut:ACTive? Description Reads out output trigger polarity.
  • Page 99 Tunable Semiconductor Laser TSL-770 Example :TRIG:OUTP:STEP 1 (TSL-550SCPI) :TRIG:OUTP:STEP 1nm (TSL-770SCPI) :TRIG:OUTP:STEP 1E-9 (TSL-770SCPI) Sets the interval of the trigger signal output to 1nm. :TRIGger:OUTPut:STEP[:WIDTh]? Syntax :TRIGger:OUTPut:STEP[:WIDTh]? Description： Reads out the interval of the trigger signal output. Parameter None Response Range: 0.1pm to specified wavelength span.
  • Page 100 TSL-770 Operation Manual :TRIGger:THRough Syntax :TRIGger:THRough<wsp><value> Description Sets the trigger through mode. When On is selected, input trigger signal is put through to the output trigger port. Trigger signal is re-shaped according to polarity setting. Parameter 0：OFF 1：ON Response None...
  • Page 101 Tunable Semiconductor Laser TSL-770 Response For firmware2 and FPGA: ****.**** The format is (4 digits) + (period) + (4 digits), For CPLD: **** 4 digits Example :SYST:VERS? → 0001.0000 NOTE Use “*IDN?” to read out the version of firmware 1.
  • Page 102 TSL-770 Operation Manual :SYSTem:COMMunicate:GPIB:DELimiter? Syntax :SYST:COMM:GPIB:DEL? Description Reads out the command delimiter for GPIB communication. Parameter None Response 0：CR 1：LF 2：CR+LF 3 ：None Example :SYST:COMM:GPIB:DEL? → 1 Indicates that the GPIB delimiter is ”LF”. :SYSTem:COMMunicate:ETHernet:MACaddress? Syntax :SYSTem:COMMunicate:ETHernet:MACaddress? Description Reads out MAC address.
  • Page 103 Tunable Semiconductor Laser TSL-770 Description Sets IP address when DHCP is diaabled. Parameter ***.***.***.*** (*** is integer from 0 to 255) Response None Example :SYST:COMM:ETH:IPAD 192.168.0.1 :SYSTem:COMMunicate:ETHernet:IPADdress? Syntax :SYSTem:COMMunicate:ETHernet:IPADdress? Description Reads out IP address Parameter None Response ***.***.***.*** (*** is integer from 0 to 255)
  • Page 104 TSL-770 Operation Manual Example :SYST:COMM:ETH:DGAT? → 192.168.0.254 :SYSTem:COMMunicate:ETHernet:PORT Syntax :SYSTem:COMMunicate:ETHernet:PORT<wsp> <value> Description Sets port number Parameter Integer from 0 to 65535 Response None Example :SYST:COMM:ETH:PORT 64000 :SYSTem:COMMunicate:ETHernet:PORT? Syntax :SYSTem:COMMunicate:ETHernet:PORT? Description Reads out port number Parameter None Response Integer from 0 to 65535...
  • Page 105 Tunable Semiconductor Laser TSL-770 Response 0：Unlocked 1：External inter locked Example :SYST:LOCK? → 1 The external interlock is locked. :STATus:QUEStionable:CONDition? Syntax :STATus:QUEStionable:CONDition? Description Reads out the error status of the product. Parameter None Response 0 to 63 integer number (Decimal notation of the following bit0 to 5)
  • Page 106 TSL-770 Operation Manual :DISPlay:BRIGhtness Syntax :DISPlay:BRIGhtness<wsp><value> Description Sets brightness of the display. Parameter 0 to 100 Unit：% Response None Example :DISP:BRIG 50 :DISPlay:BRIGhtness? Syntax :DISPlay:BRIGhtness? Description Reads out brightness of the display Parameter None Response 0 to 100 Unit：% Example :DISP:BRIG? →...
  • Page 107 Tunable Semiconductor Laser TSL-770 :SPECial:REBoot Syntax :SPECial:REBoot Description Restarts the device Parameter None Response None Example :SPEC:REB 5. Command error Errors issued are stored as error messages in the error queue and can be read out with the ”:SYSTem:ERRor?” command. The list is as shown below.
  • Page 108 TSL-770 Operation Manual 7-58...

  • Page 109: Specifications

    Tunable Semiconductor Laser TSL-770 Specifications 8-1 Specifications...

  • Page 110: Regulations Conformity

    TSL-770 Operation Manual 8-2 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 111: Maintenance

    9 -2 Cleaning the Optical Connector Connection of the optical fiber with dust and dirt on the end of the optical connector of TSL-770 cause loss of optical output, therefore, clean the connector periodically. Procedures ■...

  • Page 112: Replacing Fuses

    Fuse box 9 - 4 Inspection and Calibration TSL-770 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...

  • Page 113: Self-Inspection And Self-Calibration

    Tunable Semiconductor Laser TSL-770 9 - 5 Self-inspection and Self-calibration This is a simple inspection and wavelength calibration function that is executed by the product itself. The self-inspection function checks the mechanical operation of the wavelength tuning mechanism and checks for the occurrence of mode-hops during a wavelength sweep.
  • Page 114 4．The inspection will complete in about one minute and the results will be displayed. The following message will be displayed in the results. If there is any abnormality, please contact Santec. Contact information is provided on the last page of this document.
  • Page 115 Tunable Semiconductor Laser TSL-770 Message Details No faults have been detected. Instrument is operating normally. A fault has been detected with the wavelength There may be a problem with the wavelength monitor monitor and the accuracy of the wavelength may have deteriorated.
  • Page 116 TSL-770 Operation Manual Self-calibration ■ 1． Touch MENU , NEXT , and MAINT . The maintenance screen will be displayed. 2． Select ”Wavelength calibration.” in the “MODE:” field, and press DIAGNOSIS . ． Press START in the confirmation screen. ．...
  • Page 117 Tunable Semiconductor Laser TSL-770 The following message will be displayed in the results. If there is any abnormality, please contact Santec. Contact information can be found on the last page of this document. Message Details Wavelength calibration has been completed.

  • Page 118: Firmware Update

    ■ 1．Copy the firmware data files to a USB flash drive. 2．Copy the two files "installation_definition.txt" and "TSL-770" to the top directory of the USB 　flash drive. Insert the USB flash drive into the USB (HOST) port on the rear panel.
  • Page 119 Tunable Semiconductor Laser TSL-770 5．A confirmation screen will be displayed. Press CONFIRM .
  • Page 120 TSL-770 Operation Manual ． The update will complete in about one minute. The product restarts automatically 　when the update is complete. CAUTION Do not turn off the power while updating the firmware. Please ensure the power cable is firmly inserted into its socket before starting the update procedure and be careful not to disconnect the cable during the update.

  • Page 121: Long-Term Storage

    Tunable Semiconductor Laser TSL-770 9 - 7 Long-term Storage Before storing the instrument: ■ 1) Make sure the power is shut down completely. (Refer to 5-7 Turning off the unit) 2) Wipe off dust, fingerprints, dirt, stains, etc, from the instrument.
  • Page 122 TSL-770 Operation Manual 9-12...

  • Page 123: Re-Packing And Shipping

    Tunable Semiconductor Laser TSL-770 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. 10-1 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-770 Operation Manual 10-2 Packing Instruction 1 Set bottom cushions in cardboard box as Fig 1. Please note the shape of bottom cushion is different from that of top cushion. Bottom cushion has a leg at the center. Bottom cushion has Bottom cushion has a leg at the center.
  • Page 125 Tunable Semiconductor Laser TSL-770 Flat shaped corner indicates REAR side. Round shaped corner indicates FRONT side. Fig.3 3 Put top cushions on the product. Match the front direction of product and that of cushions illustrated in Fig 5. Fig.4 10-3...
  • Page 126 TSL-770 Operation Manual Flat shaped corner indicates REAR side. Round shaped corner indicates FRONT side. Fig.5 4 Put the accessory box on top cushions as Fig 6. Fig.6 10-4...

  • Page 127: Shipping

    Tunable Semiconductor Laser TSL-770 5 Secure the box by shipping tape or band after closing the box. 10-3 Shipping Treat the box carefully, and avoid shock or vibration as much as possible. Maintain the box in an upright position and label “THIS SIDE UP” as much as possible.
  • Page 128 TSL-770 Operation Manual 10-6...
  • Page 129 Tunable Semiconductor Laser TSL-770 Troubleshooting Fault condition Cause Action No power Power cord is unconnected. Connect power cord properly. No fuse or fuse is blown out Open the fuse box lid and replace fuse.(Refer to “9-3 Replacing Fuses”) Power cord is broken or not Use proper power cord.
  • Page 130 Grand Union Studios, 332 Ladbroke Grove, London W10 5AD, UK SANTEC EUROPE LIMITED Tel: +44-20-3176-1550 21F Room H, 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-770-M-E-Ver.1.5 CODE-202103-AK-KW-CPY/ Santec corporation/AD&Design sec. 11-2...

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