Agilent Technologies 86120C User Manual page 190

Programming Commands
CALCulate3 Subsystem
FPERot[:STATE]
Turns on and off the Fabry- Perot measurement mode.
Syntax
:CALCulate3:FPERot[:STATE] {? | {ON | OFF | 1 | 0}}
Preset State: off
Attribute
Summary *RST State: off
SCPI Compliance: instrument specific
Description When the state is ON, the Agilent 86120C measures characteristics of
the Fabry- Perot laser modes. The modes are defined by the peak
excursion and peak threshold commands.
FPERot:FWHM?
Queries the full width half- maximum data of the selected modes.
Syntax
:CALCulate3:FPERot:FWHM{[:WAVelength] | :FREQuency | :WNUMber}?
Argument
WAVelength
FREQuency
WNUMber
WAVelength
Example Query
Response
FREQuency
WNUMber
4-62
Description
Returns the full width half-maximum wavelength of the selected
modes.
Returns the full width half-maximum frequency of the selected
modes.
Returns the full width half-maximum wavenumber of the selected
modes.
+5.47128800E–009
+6.93436400E+011
+2.31306200E+001