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Santec WSL-110 Operation Manual

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Wavelength Selectable Laser
WSL-110
Operation Manual

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  • Page 1 Wavelength Selectable Laser WSL-110 Operation Manual...
  • Page 2 1) When this product is brought out of Japan, some laws or regulations of a destination country may prohibit this product from being used there. In such countries, the use of this product may lead to punishment. Please note, that in such cases Santec Corporation shall not be held responsible in anyway.
  • Page 3 Thank you very much for purchasing our product, the Santec Tunable Semiconductor Laser WSL Series. This Operation Manual contains the necessary information for proper operation of the WSL-110, and it is intended for those with sufficient knowledge about the dangers of lasers and their safe control. Before operating the WSL-110, you should first read thoroughly through this Operation Manual and become familiar with its contents.
  • Page 4 Chapters 1 to 4 illustrate the outline of the product, safety precautions, and installation. Chapter 5 describes how to operate the product. Santec recommends that Chapter 1 to 4 be read carefully before proceeding to this chapter. Chapter 6 explains information on communication functions such as external control of the WSL-110.
  • Page 5 Wavelength Selectable Laser WSL-110 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 is not avoided, personnel death or serious injury may DANGER!! result;...

  • Page 6: Table Of Contents

    WSL-110 Operation Manual Contents Introduction How to Read the Manual Instrument Markings Explanation of Terms 1. Safety Notes Intended use Safety Markings Laser Class 2. Product Composition 3. Panel Description Front Panel Rear Panel Bottom 4. Installation Operating environments Power supply 5.
  • Page 7 Wavelength Selectable Laser WSL-110 Command 　　6- 2-1 Command set (complies with IEEE-488.2) 6-23 　　6- 3-1 Communication system requirements 6-23 　　6- 3- 2 Connection 6-23 　　6- 3- 3 Installation of driver software 6-23 　　6- 3-4 Control Software Installation 6-27 　　6- 3- 5 Uninstallation (Removal) procedure 6-30 　　6- 3- 6 Control Software Guide...
  • Page 8 WSL-110 Operation Manual...

  • Page 9: Safety Notes

    Wavelength Selectable Laser WSL-110 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

    WSL-110 Operation Manual 1-3 Laser Class This product is classified class 1M laser product according to IEC 60825-1 (2014). Laser Type : External cavity Laser Laser Class : 1M IEC60825--1 (2014) Output Power : < 50mW Laser Diameter : 10μm...

  • Page 11: Product Composition

    Wavelength Selectable Laser WSL-110 Product Composition This product is composed of the WSL-110 body and accessories. The following parts are included: WSL-110 Body Power cord Power key USB cable Operation Manual & Software Inspection report Check to make sure that the product body and the accessories have no scratches or stains. If...
  • Page 12 WSL-110 Operation Manual...

  • Page 13: Panel Description

    Wavelength Selectable Laser WSL-110 Panel Descriptions 3-1 Front Panel (19) (10) (12) (18) (17) (16) (15) (14) (13) (11) Figure 3-1. Front Panel (1) Wavelength Display Panel A) Displays the current wavelength setting in nm. B) Displays the current frequency setting in THz.
  • Page 14 WSL-110 Operation Manual (4) Selector key for Wavelength / Frequency Unit / Fine tuning mode Switches the wavelength / frequency unit to nm or THz. Indicator (OFF): Display the wavelength [nm]. Indicator (ON): Display the frequency [THz]. Set the fine tuning mode by pressing the Wavelength/Frequency unit selector key for 2-3 seconds.
  • Page 15 Wavelength Selectable Laser WSL-110 (11) Main Optical Output Port (CH1) This port is the location of the laser beam output of CH1, when LD key (20) is on. (12) Display for port number Displays the controllable port at present. When displaying CH1, it is possible to control CH1.
  • Page 16 WSL-110 Operation Manual F) Grid Spacing setting: It is possible to change the frequency grid space value for setting the wavelength / frequency control in the setting frequency spacing. Value 0.1~3276.7GHz: It is possible to change the wavelength/frequency. It can only be set by using the cursor key.

  • Page 17: Rear Panel

    Pull out the fuse box, and replace with new fuses. (3) Slit Slit for heat dissipation. It is important to leave at least 5 cm of space behind the WSL-110 unit to ensure proper ventilation and cooling. (4) GPIB Connector (5) Serial Number Label Indicates model number, serial number and options installed on each unit.

  • Page 18: Bottom

    WSL-110 Operation Manual 3-3 Bottom Figure 3-3. Bottom View (1) Slits These are slits for ventilation and cooling. It is important that the unit is used in a location which allows cool air to flow freely into the slits. (2) Rubber Feet The rubber feet provide mechanical isolation from external shocks and vibrations.

  • Page 19: Installation

    Wavelength Selectable Laser WSL-110 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 20 WSL-110 Operation Manual...

  • Page 21: Basic Operation

    Wavelength Selectable Laser WSL-110 Basic Operation 5-1 Turning on the Unit 1. The power cord socket is located on the unit’s rear panel. Plug the power cord into the socket. 2. The main switch is a key switch located on the front panel. Insert the key and turn clockwise 90 degrees to switch the unit on.

  • Page 22: Ld Output

    WSL-110 Operation Manual 5 -2 LD output CAUTION Make sure that the optical fiber is connected correctly to the optical output connector before performing LD output. 1. Press the LD ON/OFF key. The light intensity is set to the same intensity before the LD output was last turned off.

  • Page 23: Setting The Wavelength/Frequency (Auto Mode On)

    Wavelength Selectable Laser WSL-110 CAUTION Make sure that the LD LED is off before turning the power OFF. Failure to do so may damage the LD. 5 -3 Setting the wavelength/frequency (Auto mode ON) NOTE If the machine is equipped with a two ports option, it is possible to separately set each port.
  • Page 24 WSL-110 Operation Manual 3. How to set each parameter 　3.1. Setting the wavelength. Sets the Wavelength / Frequency Unit to the wavelength unit with the selector key for Wavelength/Frequency unit. The LED of the Wavelength/Frequency unit is off when setting the wavelength unit.

  • Page 25: Setting The Wavelength/Frequency (Auto Mode Off)

    Wavelength Selectable Laser WSL-110 5-4 Setting the wavelength/frequency (Auto mode OFF) NOTE If the machine is equipped with a two ports option, it is possible to separately set each port. 1. Set Auto mode to OFF. Control Menu key and sets Auto mode to OFF using △▽ key.
  • Page 26 WSL-110 Operation Manual 3. Set the mode to wavelength setting mode with the Wavelength/Output power Selector key. Selector LED for Wavelength / Frequency Selector key for Wavelength / Output Power Selector key for Wavelength / Frequency MENU key Figure 5-10. Wavelength setting 4.
  • Page 27 Wavelength Selectable Laser WSL-110 5. How to input values. Setting the wavelength/frequency. ■ 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 setting value is set to the nearest wavelength/frequency for the frequency of Grid channel.

  • Page 28: Setting The Grid Channel (Grid Tuning Mode On)

    WSL-110 Operation Manual 5-5 Setting the Grid channel (Grid tuning mode ON) NOTE If the machine is equipped with a two ports option, it is possible to separately set each port. 1. Set Grid tuning mode to ON. Control Menu key and set Grid tuning mode to ON using △▽ key.

  • Page 29: Setting The Optical Power

    Wavelength Selectable Laser WSL-110 3. 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. ■ Using the cursor keys 　　　 (1) Change the value with the △▽ keys. When pushing these keys, the setting 　...
  • Page 30 WSL-110 Operation Manual 　2.2 When using the Optical Power unit “mW” Sets the Optical Power unit to the “mW” with the selector key for Optical Power unit. The LED of the Optical Power unit is on. Range：Optical Power ranges specified in the specifications.

  • Page 31: Setting The Fine Tuning (Frequency Offset) Control

    Wavelength Selectable Laser WSL-110 5-7 Setting the fine tuning (frequency offset) control NOTE If the machine is equipped with a two ports option, it is possible to separately set each port. It is possible to add the frequency offset by using fine tuning function in current setting frequency.

  • Page 32: Turning Off The Unit

    WSL-110 Operation Manual 5-8 Turning off the unit 1. Turn off LD output. (Refer to "5-2. LD output"). 2. Turn off the main switch key. Do not unplug the power cord from the rear panel before power shut down is complete.

  • Page 33: Operation By Communication

    Wavelength Selectable Laser WSL-110 Operation by Communication CAUTION Before inserting and extracting the connectors for the communication cables, make sure to turn off power to the device to avoid damaging the device. When this unit is in the remote state of GP-IB control, this REMOTE LED turns on light.

  • Page 34: Gp-Ib Function

    GP-IB has 10 kinds of interface functions, each of which has its own grade called a subset. A "0" after the symbol of each function shows that support is not made, and each numeric value represents a grade. Table 6-1. Subset of WSL-110 Symbol Function...
  • Page 35 Wavelength Selectable Laser WSL-110 MENU key CURSOR key Figure 6-3. GPIB address and delimiter setting Figure 6-4. GPIB address Figure 6-5. GPIB delimiter...

  • Page 36: Command

    Reads out the value of the Service Request Enable Register. *STB? Reads out the value of the Status Byte Register. 2. WSL-110 Status system The following status systems with four registers are provided. (1) Status Byte Register (STBR) (2) Service Request Enable Register (SRER)
  • Page 37 Wavelength Selectable Laser WSL-110 1) Status System Structure Overview Output queue is cleared when a new command is input into the input queue. Figure 6-6.Status System Schematic Diagram 2) Status Byte Register (STBR） The status is read out by serial poll, or *STB? command.
  • Page 38 WSL-110 Operation Manual 4) Standard Event Status Register (SESR) An 8-bit register to indicate the standard status of the device. PON (Power ON): Bit is set when power is turned on. URQ (User Request): Not used CME (Command Error): CME is set when a command has a syntax error or is misspelled.
  • Page 39 Wavelength Selectable Laser WSL-110 2) *RST: Reset State (Default Setting) Syntax *RST Description Aborts standby operation. Clears the following items. ・Command input queue ・Error queue Parameter None Response None 3) *OPC :Operation Syntax *OPC Description Sets the operation complete bit in the Standard event status register (ESR).
  • Page 40 WSL-110 Operation Manual 7) *ESE?: Standard Event Enable Register Query Syntax *ESE? Description Places the value of the Standard Event Enable Register (SEER) in the output queue. Parameter None Response Integer from 0 to 255 8) *ESR?: Standard Event Status Register Query...
  • Page 41 Wavelength Selectable Laser WSL-110 4. WSL-110 Specific command overview An overview of the specific commands available in Command set 1 is shown in the following table. Table 6-3. WSL-110 Specific Command List Command Description Page :SPECial:REBoot Resets the device. 6-10 :SYSTem:ERRor? Reads out the error issued.
  • Page 42 [:STATus[n]]:OPERation:CONDition? Reads out the state (Normal) for each port. 6-20 [:STATus]:QUEStionable:CONDition? Reads out the unit state (Abnormal). 6-21 5. WSL-110 specific command detailed description Specific commands are described in detail as follows. 1) System related commands :SPECial:REBoot Syntax :SPECial:REBoot Description Resets the device.
  • Page 43 Wavelength Selectable Laser WSL-110 :SYSTem:PRESet Syntax :SYSTem:PRESet Description Reset the device to the factory default settings. Parameter None Response None Example :SYST:PRES :SYSTem:VERSion? Syntax :SYSTem:VERSion? Description Reads out the version of the firmware. Parameter None Response The format is (4 digits) + (period) + (4 digits) ****.****...
  • Page 44 WSL-110 Operation Manual Response None Example :SYST:COMM:GPIB:DEL 1 Sets the GPIB command delimiter to “LF”. :SYSTem:COMMunicate:GPIB:DELimiter? Syntax :SYSTem:COMMunicate:GPIB:DELimiter? Description Reads out the command delimiter for GPIB communication. Parameter None Response 0: CR 1: LF 2: CR+LF 3: None Example : SYST:COMM:SER:DEL? →...
  • Page 45 Wavelength Selectable Laser WSL-110 Parameter Range: Minimum wavelength to Maximum [nm] Step: 0.001nm MINimum: Sets the minimum acceptable wavelength. MAXimum: Sets the maximum acceptable wavelength. Response None Example : WAV 1528.773nm 1.528773E-06 Sets the wavelength to 1528.773nm. [:SOURce]:WAVelength? Syntax [:SOURce]:WAVelength[:MINimum|:MAXimum]? Description Reads out the setting value of the wavelength.
  • Page 46 WSL-110 Operation Manual Step: ITU Grid Response None Example : FREQ 196.1THz RREQ 1.961E+14 Sets the frequency to 196.1 THz. [:SOURce][:WAVelength]:FREQuency? Syntax [:SOURce][:WAVelength]:FREQuency[:MINimum|:MAXimum]? Description Reads out the setting value of the frequency. Parameter None: Reads out the setting value of the frequency.
  • Page 47 Wavelength Selectable Laser WSL-110 [:SOURce]:POWer:UNIT Syntax [:SOURce]:POWer:UNIT <wsp><value> Description Changes the unit of the power display. Parameter　 0: dBm 1: mW Response None Example :POW:UNIT 1 Sets the power display unit to “mW”. [:SOURce]:POWer:UNIT? Syntax [:SOURce]:POWer:UNIT? Description Reads out the unit of the power setting and display.
  • Page 48 WSL-110 Operation Manual MINimum: Sets the minimum acceptable frequency. MAXimum: Sets the maximum acceptable frequency. Parameter Range:Optical Power ranges specified in the specifications. (Please refer to the chapter 7) Step: 0.01 [dB] Response None Example :POW 10 Sets the power to 10 dBm .
  • Page 49 Wavelength Selectable Laser WSL-110 [:SOURce[n]]: FREQuency: REFerence Syntax [:SOURce[n]]: FREQuency: REFerence <wsp><value> Description Sets the reference frequency. Only available when Auto Mode is "OFF.” The channel number is reset to “0” after setting the value. Parameter Range: Minimum setting frequency to Maximum [THz] Step: 0.1 [THz]...
  • Page 50 WSL-110 Operation Manual [:SOURce]:FREQuency:GRID? Syntax [:SOURce]:FREQuency:GRID? Description Reads out the grid space for frequency setting. Parameter None MINimum: Reads out the minimum acceptable grid space. MAXimum: Reads out the maximum acceptable grid space. Response 0.1 ～ maximum grid space Step: 0.1GHz...
  • Page 51 Wavelength Selectable Laser WSL-110 [:SOURce[n]]:OPC? Syntax [:SOURce[n]]:OPC? Description Queries the completion of operation for each port. Parameter None Response 0: (In operation) 1: (Operation completed) Example :SOUR2:OPC? → 0 The port 2 is in operation. 6-19...
  • Page 52 WSL-110 Operation Manual 3) Device status 1. Operating status of the device The operating status of the device can be determined by the response of [:STATus[n]]:OPERation:CONDition? command. “Table 6-4 Operating Status List” shows the list. 6-4. Operating Status List Operating Status...
  • Page 53 Wavelength Selectable Laser WSL-110 2. Abnormal status of the device The abnormal status of the device can be determined by the response of [:STATus]: QUEStionable:CONDition? command. “Table 6-5. Abnormal Status List” shows the list. Table 6-5. Abnormal Status List Abnormal Status...
  • Page 54 WSL-110 Operation Manual 3. 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. Table 6-6. Command Error List Code Error message...

  • Page 55: Usb

    Wavelength Selectable Laser WSL-110 6-3 USB You can operate the bundled application software via USB. ■ 6-3-1 Communication system requirements USB 2.0 Full Speed compatible Bulk transmission, Isochronous transfer supported Sending FIFO: 384 bytes Receiving FIFO: 128 bytes ■ 6-3-2 Connection Connect the B-type connector cable to the USB connector on the rear panel.
  • Page 56 WSL-110 Operation Manual Figure 6-9. Device manager Now, simply select the device whose driver you want to update. To update the WSL- 110-S click Update Driver Software as shown below (Figure 6-11.). Figure 6-10. Device manager Figure 6-11. Driver update...
  • Page 57 Wavelength Selectable Laser WSL-110 Once you are done, it will open a window like the one shown below. Select browse my computer for driver software. Figure 6-12. Update driver software Click “Browse” and locate your driver(“D:\Common\USB Driver”), once it’s done simply click “Next”...
  • Page 58 WSL-110 Operation Manual Once you are done, it will open the window like the one shown below. Click “Install”. Figure 6-14. Windows Security Figure 6-15. During thztion The Window should then display a message indicating that the installation was successful. Click “Close” to complete the installation.

  • Page 59: Control Software Installation

    Execute the setup file (D:\WSL-110\Software\WSL-110 Control Software\ENGLISH\ setup.exe ) that built into the Removable disk. Figure 6-19. WSL-110 Setup Icon When the Setup of the WSL-110 application is started, it will open the window like the one shown below. Click “Next”. 6-27...
  • Page 60 Figure 6-20. Setup Wizard The installer suggests a traditional directory located in the Program Files directory on your computer. Change this to your own personal standard if you like. Click “Next”. Figure 6-21. Select Installation Folder Windows will start installing Setup WSL-110. 6-28...
  • Page 61 Wavelength Selectable Laser WSL-110 Figure 6-22. During Installation If installation is complete, Click “Close” to exit the installer. Figure 6-23. Installation Complete The application’s icon is made to the PC’s desktop. Figure 6-24. Shortcut Icon 6-29...

  • Page 62: Uninstallation (Removal) Procedure

    ■ 6-3-5 Uninstallation (Removal) procedure When you want to remove the already installed WSL-110 application, insert the Removable disk with the WSL-110 application setup used at setup into the Removable disk drive. Next, double-click “WSL-110 Setup Icon” in Explorer to start setup.
  • Page 63 Wavelength Selectable Laser WSL-110 When “Figure 6-27” is displayed, the operation is completed. Click “Close” to exit the removal process. Figure 6-27. Completion of the uninstallation 6-31...

  • Page 64: Control Software Guide

    You can control the device from a PC via USB with the control software bundled with the device. • Install the bundled WSL-110 control software in advance. • Connect the device to a PC with the bundled USB cable. • The icon in Figure 6-28 appears by executing the installed software.
  • Page 65 NOTE** This option is only available for units with the two ports option** Select the Channel tab. It is displayed on the front and the selected port is displayed in red. If the WSL-110 has only single port on this unit, you can not select the tab. 4) Device select Select one device and operate it when two or more devices are connected to one PC.
  • Page 66 WSL-110 Operation Manual 11) Check the tuned value Shows the wavelength [nm] or the frequency [THz]. 12) Check the optical power Shows the optical power of the laser. If the output indicator is blinking or dark green, the real optical output power might be different to the displayed value.
  • Page 67 Wavelength Selectable Laser WSL-110 19) Set the target fine tuning The fine tuning control allows you to set the target fine tuning. The unit is [GHz]. When the setting value of fine tuning changes, the LED will blink during the change, until the operation is complete.

  • Page 68: Input Range Display

    WSL-110 Operation Manual ■ 6-3-7 Input Range Display Figure 6-29．Input range When the “Range” button is clicked, the window of input range is displayed as below. (1) Channel number (2) Frequency [THz] (3) Wavelength [nm] (4) Grid spacing [GHz] (5) Fine tuning [GHz]...

  • Page 69: Specifications

    Wavelength Selectable Laser WSL-110 Specifications 7-1 Specifications Unit Gridless tuning Parameter C-band Wavelength L-band 1568.77 to 1608.76 Wavelength Range 1527.60 to 1565.50 186.35 to 191.1 Frequency Range 191.50 to 196.25 25 (Any frequency is available.) Channel Spacing <±2.5 / ±1.0 (typ.) Frequency Accuracy to ITU grid <±20 / ±8 (typ.)

  • Page 70: Regulations Conformity

    WSL-110 Operation Manual 7-2 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 71: Maintenance

    8-2 Cleaning the Optical Connector Dust and dirt on the ends of the optical connector(s) found on the WSL-110 can cause a loss of optical output. Therefore, the connectors should be cleaned regularly. The optical adapter connected to the optical connector may be pulled out by removing fixation screws;...

  • Page 72: Replacing Fuses

    WSL-110 Operation Manual NOTE After cleaning, insert the optical adapter into the optical connector and fix it securely with 2 screws. If the optical adapter is not attached correctly, optical output power loss will result. 8-3 Replacing Fuses Use two surge resistant type fuses. T0.63A/250V (100 ~ 240V). Fuses are in the fuse box above the power inlet on the rear panel.

  • Page 73: Re-Packing And Shipping

    Wavelength Selectable Laser WSL-110 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. 9-1 Re-packing Please make sure that the original shipping box is used during the shipment, according to the following instructions.
  • Page 74 WSL-110 Operation Manual...

  • Page 75: Troubleshooting

    Wavelength Selectable Laser WSL-110 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. No light output LD drive key is not turned on.
  • Page 76 Santec Photonics Laboratories. Our telephone number and facsimile number are shown below. However, we are not responsible for any trouble arising from your own repair or modification on this product.

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