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Function Reference
Power Calibration Setup
Power Meter Mode
For 86146B only
Power meter operation is an operation mode available on the 86146B instruments. Power meter
mode displays the broadband power of the input light over time. The input light is directly con-
nected to the instrument's photodetector. This bypasses the internal monochromator and pre-
vents any filtering by the resolution bandwidth filters. With power meter mode, you can perform
the following:
• measure total power of broadband light sources
• monitor power as a function of time
Monitoring power enables you to observe both long and short term drift and to perform real-time
adjustments. Power meter mode places the instrument in the following settings:
The input light is connected to the front panel Photodetector Input connector for measurement.
The front panel Monochromator Input and Monochromator Output connectors are not used in
power meter mode.
Key Path
Remote Commands
Power Meter Zero
For Agilent 86146B only
Zero's the power meter detector to provide more accurate measurements.
Key Path
3-56
Mode
Sweep time
Amplitude units
Amplitude scale
Video bandwidth
Appl's > Measurement Modes > Power Meter Mode
INSTrument:SELect?
INSTrument:NSELect
Appl's > Measurement Modes > Power Meter Mode > Power Meter Zero
Setting
10 s
logarithmic
5 db/division
100 Hz
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