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Verifying Performances

54

TUNICS T100S-HP User Manual

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Summary of Contents for TUNICS T100S-HP

Page 1: ...3 0 1 5 5 4 5 4 6 3 5 www yenista com TUNICS T100S HP High Power Tunable Laser User Manual TUNICS T100SHP_UM_6 04v1 9...

Page 2: ......

Page 3: ...hat instrument Yenista does not warrant that the operation of the instrument software or firmware will be uninterrupted or error free The foregoing warranty shall not apply to defects resulting from i...

Page 4: ...ng 1 Room 1016 Shanghai 200082 CHINA Phone 86 21 5160 7615 Sales Sales Americas Email sales am yenista com Phone 1 805 367 4075 Sales China Email sales china yenista com Phone 86 21 5160 7615 Sales Eu...

Page 5: ...IEEE 488 1 interfaces used to operate the TUNICS T100S HP in the remote modes Date 26 April 2016 Manual Reference TUNICS T100SHP_UM_6 04v1 9 Typographical Conventions Symbols bold Identifies interfac...

Page 6: ...About This Manual 6 TUNICS T100S HP User Manual...

Page 7: ...the Laser 25 3 2 Enabling Disabling the Laser Output 26 3 3 Shutting Down the Product 26 4 Setting Up the Emission Wavelength or Frequency 27 4 1 Changing the Emission Wavelength or Frequency 27 4 2 S...

Page 8: ...dulation 48 8 2 Output Signals 49 8 2 1 Available TTL Output Signals 49 8 2 2 Monitoring Outputs 49 8 2 3 Activating Deactivating the Output as a Trigger 49 9 Verifying Performances 51 9 1 Preparing t...

Page 9: ...ical Safety Label This label indicates an injury hazard It appears on a location that requires special instructions for proper use you must consult the documentation before using the element of the pr...

Page 10: ...oes not apply more than 265 Volts RMS between the supply conductors or between either of the supply conductors and the ground To avoid the possibility of injury make sure the socket outlet in which th...

Page 11: ...g with remarkable wavelength accuracy Internal wavelength referencing The TUNICS T100S HP features its own internal referencing system to ensure highly accurate and repeatable measurements Active wave...

Page 12: ...escription Essential Models Extended Range Models O CL O ES SCL CLU Wavelength range nm 1260 1360 1500 1630 1240 1380 1350 1510 1440 1640 1500 1680 Output power Over full wavelength range 10 dBm 8 dBm...

Page 13: ...at constant temperature 4 Measured at 100 MHz 5 O and CL at 10 dBm Others at 8 dBm 40 pm all at 0 dBm 6 Validated at 0 and 10 dBm for essential and 0 and 8 dBm for extended range models 7 Over 100 wav...

Page 14: ...y 80 non condensing Altitude maximum operating 2000 meters Essential Models Extended Range models O CL O ES SCL CLU Laser Diode Current Level I See the Acceptance Test Report delivered with the produc...

Page 15: ...s 1 3 1 Description of the Front Panel Figure 1 Front Panel DATA Area Description The DATA area displays the three main operating parameters Emission wavelength or optical frequency f Output power P L...

Page 16: ...and Constant Current Modes p 33 STEP Changes the wavelength increment STEP value see section Setting a Predefined Increment Decrement Step p 28 It is also possible to increase or decrease the wavelen...

Page 17: ...icrometer screw see section Turning On Off Backlash Suppression of the Micrometer Screw p 32 2 To display the software release Remote To change the GPIB address and to activate deactivate the RS 232 r...

Page 18: ...ng I BNC connector for current monitoring TTL Outputs Mod Sync BNC connector for modulation sync TTL output Mod Out BNC connector for modulation output TTL output For a detailed description on particu...

Page 19: ...ty of laser products see section Certification and Compliance p 59 This means that it is safe under all conditions of normal use except when viewed with optical instruments such as microscopes and tel...

Page 20: ...ction Certification and Compliance p 59 EFUP Label RoHS China The product has an environment friendly use period of 40 years See section Certification and Compliance p 59 Warranty Seal The product cov...

Page 21: ...the rear panel see Figure 2 p 17 make sure the power switch is set to 0 7 On the front panel in the OUTPUT area make sure the key lock switch is in STBY position before applying power 8 Place the TUNI...

Page 22: ...ty requirements The TUNICS T100S HP has a chassis connected to ground via the power supply cable A protective ground connection by way of the grounding conductor in the power cord is essential for saf...

Page 23: ...ts the following pin assignment Pins 1 2 Shorted Pins 6 7 Connect to external switch Figure 4 Remote Interlock SUBD 9 Connector Opening the interlock switch disables the laser output To turn on the la...

Page 24: ...Installing and Connecting the Product 24 TUNICS T100S HP User Manual...

Page 25: ...when turning on the system 4 To skip the self calibration step skip Referencing while the message Initializing is displayed press the 0 key Once the initialization routine is complete the laser output...

Page 26: ...ars on the third display 2 On the front panel in the OUTPUT area turn the key lock switch counterclockwise to the STBY position The message Parking displays and the optical head is automatically moved...

Page 27: ...the wanted value is reached turn right to increase the value or left to decrease the value To modify the basic increment decrement applied by the rotary knob press the and arrow keys to set the scrol...

Page 28: ...age Lim appears 4 In the SETUP area press the ENTER key 5 Increase or decrease the wavelength by pressing the or arrow keys in the SETUP area 4 3 Using the Fine Scanning Mode Fine Tuning Subject The F...

Page 29: ...at you set During each scan interval the TUNICS T100S HP laser broadcast at a set wavelength for the duration specified by the Pause Timer parameter that you set Before Starting Before activating the...

Page 30: ...u to enter the scan STEP while the current setting is displayed 5 Enter the scan STEP and press Enter To know the valid range for scan STEP values see section Valid Range for Parameter Settings p 14 T...

Page 31: ...displayed 4 Enter 0 as scan STEP parameter and press Enter The DATA area display prompts you to enter the Pause Timer The PAUSE TIMER is the dwell time at the upper wavelength of the sweep range befo...

Page 32: ...m to match the nearest operational value i e 67 nm s 3 Press Enter to confirm the change 4 6 Turning On Off Backlash Suppression of the Micrometer Screw Subject The TUNICS T100S HP firmware systematic...

Page 33: ...required output power may not be reached even at the maximum allowable current If this occurs the TUNICS T100S HP automatically limits the current to its maximum value and the message Lim appears at t...

Page 34: ...100S HP after the initialization routine is complete the system switches automatically to APC constant power mode with active cavity control the APC LED is on Active Cavity Control Requirements Active...

Page 35: ...nd the current parameter value is displayed When the sign flashes you can modify the value 2 Do one of the following Using the numeric keypad enter the wanted value If you make a mistake while enterin...

Page 36: ...Changing the Optical Output Power and Diode Current 36 TUNICS T100S HP User Manual...

Page 37: ...length within the tuning range and displays the power level corresponding to the current calibration data 4 Measure the power level at the first wavelength on the power meter 5 Enter the reading at th...

Page 38: ...to 0 mA and 0 mW respectively Therefore as long as the system is in remote interlock mode it cannot perform any self calibration or internal referencing Procedure 1 Press the 2nd I function keys to s...

Page 39: ...iguration requirements Serial port command set based on the SCPI Standard Commands for Programming Instruments syntax Serial interface configuration RS 232 ON Baud rate 9600 Handshaking None Depending...

Page 40: ...re Figure 6 Instrument Setup for Wavelength Monitoring 2 Connect a communication link between the TUNICS T100S HP tunable laser source and the wavemeter via the RS 232 C interface make sure the RS 232...

Page 41: ...s implemented The wavemeter actual reading loops back to the tunable laser An iteration process self aligns the tunable laser Figure 7 Wavelength Monitoring Scheme Depending on the performance of the...

Page 42: ...at the front panel indicator until the output wavelength has reached the target value and has stabilized within wavemeter accuracy To compensate for possible disturbance such as accidental vibrations...

Page 43: ...signals in the APC constant power mode from 30 kHz to 8 MHz for sinusoidal signals from 30 kHz to 1 MHz for TTL signals Modulation of the diode current is obtained by applying a signal anywhere betwe...

Page 44: ...HP R is the 50 resistor of the LF modulation circuit With a maximum allowed voltage input of 5 volts the maximum input current you can add to the TUNICS T100S HP laser diode is 100 mA Resulting LF Mo...

Page 45: ...y of the modulation signal is well above the intrinsic frequency 1 kHz of the APC loop the average power is monitored and remains constant Modulation is possible in the APC mode at frequencies above 3...

Page 46: ...he relationship between the voltage at the HF Mod input and the current added to the diode is given by IMPORTANT Before implementing external modulation via HF Mod input connector make sure the system...

Page 47: ...compute the total current using the following formula Where Idiode is the total current through the diode Ibias is the bias current Vin is the voltage applied to the HF Mod input Rinternal is the 50 T...

Page 48: ...e TUNICS T100S HP has a wavelength fine tuning capability that can be used to adjust the wavelength very precisely or to serve the optical frequency This function is available via the FSC connector on...

Page 49: ...2 3 Activating Deactivating the Output as a Trigger Subject You can switch the output to a trigger TTL that is high when the TUNICS T100S HP is scanning only in positive direction ignoring return and...

Page 50: ...Using the Auxiliary Inputs and Outputs 50 TUNICS T100S HP User Manual...

Page 51: ...ibed in section Initializing the Laser p 25 3 Connect the laser output as described in section Connecting External Optical Devices to the product p 22 4 Enable the laser output as described in section...

Page 52: ...y that the measured wavelength is no greater than 0 04 nm away from each wavelength setting 9 3 Verifying Wavelength Range and Output Power Subject The following procedure verifies that the laser outp...

Page 53: ...any residual emissions is lower than 45 dB down from the peak level 9 5 Verifying Wavelength and Power Calibration Subject During the course of the performance verification it is possible that the set...

Page 54: ...Verifying Performances 54 TUNICS T100S HP User Manual...

Page 55: ...the connectors to remove any loose particles or moisture 3 Moisten a clean optical swab with isopropyl alcohol and lightly swab the surfaces of the connectors To avoid personal injury do not operate t...

Page 56: ...se Before Starting Unplug the power cord Make sure you have the appropriate power fuse see section Technical Specifications p 12 Procedure 1 Insert a small flat blade screwdriver into the notch just i...

Page 57: ...EEPROM error Turn Power off Electrical problem Turn off the system and contact a service engineer immediately Referencing error Press Enter The system s internal wavelength referencing operation has f...

Page 58: ...rror and Warning Messages DEFAULT Laser Head Overheating The temperature of the room is too high the laser is disabled Switch off the product and make sure the temperature room is lower than 30 C befo...

Page 59: ...ctive The product is marked with the WEEE symbol for recycling This means that you must not discard the product with domestic household waste At the end of the product s useful life please contact you...

Page 60: ...Certification and Compliance 60 TUNICS T100S HP User Manual...

Page 61: ...ions 14 Table 5 Valid Range for Parameter Settings 14 Table 6 Available Accessories and Replaceable Parts 14 Table 7 DATA Area Function Keys 15 Table 8 MODE Area Function Keys 17 Table 9 SETUP Area Ke...

Page 62: ...ote Interlock SUBD 9 Connector 23 Figure 5 Wavelength scanning process 29 Figure 6 Instrument Setup for Wavelength Monitoring 40 Figure 7 Wavelength Monitoring Scheme 41 Figure 8 Low frequency modulat...

Page 63: ...ive 59 Cleaning 55 Coherence Control Enable Disable 32 Input 48 Compliance 59 Connections to instruments 22 Constant current mode 33 Constant power mode 33 Current change 35 Current Saturation 47 D DA...

Page 64: ...nm GHz key 15 Numeric keypad 17 O Operating mode Constant current mode 16 Constant power mode 16 Manual mode 17 Optical connectors 55 OUTPUT area 17 Output power Change 33 Verification 52 Outputs 49...

Page 65: ...fications 12 Test preparation 51 Trigger 49 TTL outputs 18 49 U Units 15 V Valid range 14 Verification 51 W Warning messages 57 Wavelength Change 27 Modulation 48 Monitoring 39 Range verification 52 S...

Page 66: ...Index 66 TUNICS T100S HP User Manual...

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