Quantum Instruments Cascade Laser Starter Kit manual General safety instructions

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Starter Kit Instruction Manual

Safety Instructions

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3.3General safety instructions

Never attempt to use a system for purposes other than those detailed in this manual.

Never attempt to use a system in conjunc- tion with other instruments without obtain- ing prior information and approval from the manufacturer.

Never attempt to use spare parts other than those supplied by the manufacturer.

If an instrument is to be left unused for any length of time, protect the instrument against dust and/or humidity.

3.4Environmental conditions

Like any other electrical device, the system must not be located near a water tap.

The instrument must be kept away from po- tential sources of interference.

The system must not be exposed to direct sunlight, heat, dust or excessive humidity (use only in a clean laboratory environment).

Take care not to spill liquid on an instrument. In the event of accidental spillage, proceed as follows:

[1]Switch off the instrument immediately.

[2]Unplug the instrument from the mains.

[3]Wipe the instrument down with a dry tissue.

[4]Check all the electrical functions.

Ensure sufficient ventilation of the instrument to prevent overheating.

3.5Compliance and informa- tion

In the event of operating faults or other technical incidents for which a remedy is not described in this manual, please contact the manufacturer or Alpes Lasers SA representative immediately.

(http://www.alpeslasers.ch/contacts.htm)

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Contents Quantum Cascade Laser Starter Kit Instructions Manual Web versionContents Installation TroubleshootingMaintenance Overview UseAppendix Identification DocumentLimited waranty ManufacturerGeneral Chapter overviewGeneralities ComplianceGlossary PersonsProduct PersonnelCommands style Procedure styleTypographic conventions Description styleProblem Procedure effects styleSee page x-y Troubleshooting style Possible causePage Safety Instructions Importance of safety instructionsNon-compliance with the safety regulations IntroductionGeneral safety instructions Environmental conditionsCompliance and informa- tion Description System CompositionDFB and FP Quantum Cascade Lasers If no configuration is specified, the DN pad is usedDescription Geometry of QC lasersSpecifications Electrical model characteristics Electrical modelLaboratory Laser HousingLLH100 LLH100 external view descriptionLaboratory Laser Housing internal view LLH100 internal viewSpecifications of the Peltier connector Thermo-Electric Cooler TEC and PT100 connectionsSpecifications of the measurement connector Measurement connectionQCL pulser switching unitLDD100 QCL pulser switching unit front and rear viewQCL pulse switching measuring unit GeneralitiesMeasured voltages Timing dataLaser peak current Duty cycle calculationLaser peak voltage Average dissipationAccuracy considerations Trigger and logic output signals Ω TTL driver circuit QCL pulser timing unit TPG128QCL temperature controllerTCU151 Peltier and PT100 connectionsInstallation Chapter overview Packing listGeneral Standard itemsSetting the appropriate AC voltage on TCU151 Procedure110-120V, 60Hz USA 220-240V, 50Hz Europe Installing the starter Kit Before beginningConnecting Starter Kit Use QCL pulse timing unit com- mand descriptionTCU151 command description TCU151 temperature controler front panelLaser utilisation OverviewProceedings Starting the TPG128 Procedure Interlock utilisation Interlock utilisationTroubleshooting Power supply reaches max cur- rent for a very low voltageDC power supply is not floating PrincipleLaser draws current but gives no light Laser does not draw currentQCL laser is not used with the LLH and is grounded There is no contact with the laserMaintenance How to remove the covers of TCU151 and TPG128Overview Replacement procedures Quantum Cascade Laser replace MentFacet on the case, it is extremely fragile + LLH100 connectionQCL UP and DN position Exchange Exchanging the laserIf the ambient atmosphere is humid this is HumidityTCU151 temperature con Troller interlock setting Procedure interlock settingBefore beggining interlock set Ting Needed materialCalibaration procedures Procedure calibration1 TPG128 calibration GeneralitiesTPG128 main board TPG128 main board 2 TCU151 temperature controller calibration Procedure +5V/-5V power supply checkSensing level and range adjustement = 1.22 toTemperature Reference offset adjustment Current/Voltage ratio adjustment SettingOscillator check LCD screen should display 1.00 a7V = 70 C If needed, adjust it with the trimmer P92 Starting the power section of the instru MentCurrent adjustment → Value displayed ≤ 1A→ Value displayed should tend to the defined value Miscellaneous functions testing Temperature Limit testing → The temperature displayed 2 should be 035 CThreshold on → The red LED 1 should turn offApplication notes Detection techniquesDirect absorption Frequency modulation technique TildasPhotoacoustic detection Photoacoustic techniqueAppendix Bias Circut Bias-TGeneral Utilisation What has to be kept in mind before use? Current and voltage ranges of the Bias-T cir- cuit Avoid reverse polarity on the inputUnpacking NS laser from its transportation box Unpacking instructions for NS submounts