Set Optical Power Parameters; Dc<N; Resp<N - Keithley 2500 User Manual

Models 2500 and 2502 User's Manual

Set optical power parameters

DC<n>
:CALCulate[1]:KMATh:DC<n>
:CALCulate2:KMATh:DC<n>
Parameters
Query
Description
RESP<n>
:CALCulate[1]:KMATh:RESP<n>
:CALCulate2:KMATh:RESP<n>
Parameters
Query
Description
NOTE
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<n>=-9.999999e20 to
+9.999999e20
DEFault
MINimum
MAXimum
:DC?
:DC? DEFault
:DC? MINimum
:DC? MAXimum
These commands set the dark current parameter for optical power mea-
surements, as part of the formula:
Optical power = (I
<n> = -9.999999e20
+9.999999e20
DEFault
MINimum
MAXimum
:RESP?
:RESP? DEFault
:RESP? MINimum
:RESP? MAXimum
These commands set the responsivity value as part of the formula:
Optical power = (I
Zero is not an acceptable value for responsivity, as this value would cause an
infinite result.
SCPI Command Reference
Set channel 1 dark current value
Set channel 2 dark current value
Specify dark current in amps
0.0
-9.999999e20
+9.999999e20
Query dark current value
Query *RST default dark current
Query minimum allowable dark current
Query maximum allowable dark current
– I )/Responsivity
measured dark current
Set channel 1 responsivity value
Set channel 2 responsivity value
Specify responsivity in amps/watt
(zero excluded)
1.0
-9.999999e20
+9.999999e20
Query responsivity value
Query *RST default responsivity
Query minimum allowable responsivity
Query maximum allowable responsivity
– I )/Responsivity
measured dark current
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