ILX Lightwave MPS-8033 Series User Manual page 75

C O M M A N D R E F E R E N C E
4
C H A P T E R
GPIB Command Reference
LASer:POWer?
Parameters
Response
Notes
Examples
LASer:REFerence
Parameters
Legal reference power
ranges:
Linear Scale:
Log Scale:
Legal suffixes are:
Notes
Examples
58
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The LASer:POWer? query returns the optical output power in the units of the present display mode.
None.
The response data is the optical power in the units of the present display mode.
This command has the same effect as viewing the display on the 8033 front panel.
"LAS:POW?" response: 0.5555, indicates the output power is 0.5555 mW.
"LAS:POWER?" response: −15.00, indicates the output power is −15 dBm.
The LASer:REFerence command sets the power reference which is used when the dB scale is
displayed.
The <nrf value> represents the reference power.
MPS−8033/0x
.0010 to +1.1000 mW
−20.00 to +0.410 dBm
UW microwatts
MW milliwatts
W watts
DBM decibels relative to 1 mW
This command has the same effect as using the ADJUST KNOB on the 8033 front panel to adjust
the output power then pressing the SET REFERENCE switch. The display is not forced to the dB
scale as it would be from a front panel (local) execution.
If the optional <suffix> is not used, MW is assumed.
The reference power can be set with the output on or off.
"LAS:REFERENCE 1.000"action: Sets the reference power to 1 milliwatt.
"LAS:REF −6.00 DBM"action: Sets the reference power to −6.00 dBm.
C
OMMON
D
EVICE
F
RONT
C
OMMON
D
EVICE
F
RONT
MPS−8033/55 MPS−8033/65
.0010 to +12.00 mW .0010 to +22.00 mW
−20.00 to +10.79 dBm −20.00 to+13.42 dBm
D
EPENDENT
P
ANEL
D
EPENDENT
P
ANEL