Quantum Instruments Cascade Laser Starter Kit manual Installation, Chapter overview Packing list

Page 27

The standard starter Kit is supplied with the fol- lowing items:

(1) QCL pulse timing unit (TPG128)

(2) CPL100 cable

(3) QCL pulse switching unit (LDD100)

(4) Low impedance line (LBI100)

(5) Laboratory Laser Housing (LLH100)

(6) CTL100 cable

(7) Temperature controller (TCU151)

(8) Power cords

1 Instructions manual

Chapter 5

Installation

5.1 Chapter overview	5.3	Packing list
This chapter describes the installation and the con-	5.3.1	Standard items
nection of the QCL Starter Kit. It also explains the

operating checks before the normal use.

5.2 General

The setup procedures outlined below must be fol- lowed meticulously to ensure that QCL Starter Kit operates correctly and safely.

1

OFF

TP

7

G 1

2

Power

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N

28

−TTL

6

−−−− −

P0.u2 lse G

+1

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0. to

en

max 60mA

0 V2V

−−Peri

5 t5ot1o 12.02.5ms erator

od

−−−

05

ms

ms

0 to

Gate

50 o −−

200ns

IN

hms

−−−−

Trig

OU

50

ohms

−

Dur

T

50 atio

Out1

ohms

Out2

3

4

Z50

Ohm

A/V,

20

Input

12V

60V

Monitor

supply

Max

Power control

Voltage

Current

High hi

em

+ to

per

Bottom

top, on

TCU151atur

Output Pulseconnected

e Con

tro

100

ller

LDD

5

Fig.13: QCL Starter Kit packing list

26

Image 27

Contents Instructions Manual Web version Quantum Cascade Laser Starter KitContents Use InstallationTroubleshooting Maintenance OverviewAppendix Manufacturer IdentiﬁcationDocument Limited warantyCompliance GeneralChapter overview GeneralitiesPersonnel GlossaryPersons ProductDescription style Commands styleProcedure style Typographic conventionsPossible cause ProblemProcedure eﬀects style See page x-y Troubleshooting stylePage Introduction Safety InstructionsImportance of safety instructions Non-compliance with the safety regulationsGeneral safety instructions Environmental conditionsCompliance and informa- tion System Composition DescriptionGeometry of QC lasers DFB and FP Quantum Cascade LasersIf no conﬁguration is speciﬁed, the DN pad is used DescriptionSpeciﬁcations Electrical model Electrical model characteristicsLLH100 external view description Laboratory Laser HousingLLH100LLH100 internal view Laboratory Laser Housing internal viewThermo-Electric Cooler TEC and PT100 connections Speciﬁcations of the Peltier connectorMeasurement connection Speciﬁcations of the measurement connectorQCL pulser switching unit front and rear view QCL pulser switching unitLDD100Timing data QCL pulse switching measuring unitGeneralities Measured voltagesDuty cycle calculation Laser peak currentLaser peak voltage Average dissipationAccuracy considerations QCL pulser timing unit TPG128 Trigger and logic output signals Ω TTL driver circuitPeltier and PT100 connections QCL temperature controllerTCU151Standard items InstallationChapter overview Packing list GeneralSetting the appropriate AC voltage on TCU151 Procedure110-120V, 60Hz USA 220-240V, 50Hz Europe Before beginning Installing the starter KitConnecting Starter Kit QCL pulse timing unit com- mand description UseTCU151 temperature controler front panel TCU151 command descriptionLaser utilisation OverviewProceedings Starting the TPG128 Interlock utilisation Procedure Interlock utilisationPrinciple TroubleshootingPower supply reaches max cur- rent for a very low voltage DC power supply is not ﬂoatingThere is no contact with the laser Laser draws current but gives no lightLaser does not draw current QCL laser is not used with the LLH and is groundedMaintenance How to remove the covers of TCU151 and TPG128Overview Quantum Cascade Laser replace Ment Replacement procedures+ LLH100 connection Facet on the case, it is extremely fragileExchanging the laser QCL UP and DN position ExchangeHumidity If the ambient atmosphere is humid this isNeeded material TCU151 temperature con Troller interlock settingProcedure interlock setting Before beggining interlock set TingGeneralities Calibaration proceduresProcedure calibration 1 TPG128 calibrationTPG128 main board TPG128 main board Procedure +5V/-5V power supply check 2 TCU151 temperature controller calibration= 1.22 to Sensing level and range adjustementTemperature Reference oﬀset adjustment LCD screen should display 1.00 a Current/Voltage ratio adjustmentSetting Oscillator checkStarting the power section of the instru Ment 7V = 70 C If needed, adjust it with the trimmer P92Current adjustment → Value displayed ≤ 1A→ Value displayed should tend to the deﬁned value → The red LED 1 should turn oﬀ Miscellaneous functions testing Temperature Limit testing→ The temperature displayed 2 should be 035 C Threshold onFrequency modulation technique Tildas Application notesDetection techniques Direct absorptionPhotoacoustic technique Photoacoustic detectionAppendix Bias Circut Bias-TGeneral Utilisation What has to be kept in mind before use? Avoid reverse polarity on the input Current and voltage ranges of the Bias-T cir- cuitUnpacking instructions for NS submounts Unpacking NS laser from its transportation box