User manual

Caution:
Notesonsafety:
Duringoperationoflaserdiodes,provideforsufficientcooling.
Overheatingofalaserdiodewillleadtoitsdestruction
MaximumcablelengthbetweenlaserdiodeandPCB:10cm.
Ifcablesareused,acapacitor(10nF)hastobefittedinbetweenCLP and ALD
directlyatthelaserdiode.
Foroperationwithlaserdiodes,observesafetyregulationsaccordingto
EN60825.
Duringoperationwithlaserdiodes,donotlookintothebeam.
Furthermore,observethesafetyregulationsforlaserradiation(VBG93)oftheGerman
employees´insuranceforprecisionmechanicsandelectricalengineering
(BerufsgenossenschaftderFeinmechanikundElektrotechnik).
ControlelectronicsIMS-5/250(itemnumber:142301)
ThecontrolelectronicsIMS-5/250isadouble-sidedprintedcircuitboard
(SMD)fortheoperatingofCWlaserdiodeswithamaximumcurrent
consumptionof250mA.
Voltagesupply:5VDCregulated. Thecircuithasacontrolinput
regulatingtheoutputpower.
CalculationofRset
TheoutoutpowerissetbymeansoftheresistanceR001. Thevalueis
calculatedasfollows:
R001iscalculatedinkOhmifthemonitordiodecurrentImisgivenin
milliamperes.
FortheresistanceR001,theminimumvalueis2.7kOhm,themaximum
valueis50kOhm.
Incaseofcontinuouswaveoperationwithoutpowerregulation,the
equipmentofR004andR005isnotcompulsory.
R001=1,22V/Im
Controlinput TP6
Input Tp7:
Ifthecontrolinputisused,R004andR005havetobeequipped,andR001
hastobecalculatedwithadifferentformula.
Ifthecontrolinputisused,themaximumpower,whichissetwithR001,
mustn´tbehigherthan75%ofthelaserdiodeperformance(parallelingof
R004andR001).
Tosteerlaserdiodepowerfrom0mWuptoitsmaximumvalue,a
voltageof5-0Visapplied.0Vcorrespondstothemaximumoutputpower,
5Vcorrespondstotheminimumoutputpower.
Caution: Topreventthedestructionofthelaserdiode,makesurethat
R004=approx.3xR001-R005!(A valueof5kOhmcanbechosenforR005).
withoutfunction
Pinconfiguration
Printedcircuitboard
TP1
TP2
TP3
+5V
Mass
Casing
Laserdiode
TP4
TP5
TP6
Anodeofmonitordiode(AMD)
Cathodeoflaserdiode(KLD)
Controlinput
Componentmountingdiagram
TP1
TP1
TP6
TP4
TP5
TP3
TP6
TP7
TP7
TP2
TP2
R005R005
Q001
R003
ZD01
C003
R006
R002
D002
iC-WJ
C001 C002
C004
VR01
R001
R004
Dimension:20,75mmx7,30mm;thickness:approx.5mm
Cathodeoflaserdiode
(KLD)
Anodeofmonitordiode
(AMD)
Casing Casing
KLD
AMD
Laserdiode:
topview
Practicalhint: ThesolderpadsofthecircuitboardaredesignedforSMDresistancesofthetype0805.