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Signal Generation – The SOURce Subsystem Measurement Operations & Settings
Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Fifth Edition 145
command:
[:SOURce[n]][:CHANnel[m]]:WAVelength:SWEep:STOP?
syntax: [:SOURce[n]][:CHANnel[m]]:WAVelength:SWEep:STOP?[<wsp>MIN|MAX]
description: Returns the end point of the sweep.
parameters: optional MIN Returns the minimum start wavelength available.
This value is wavelength dependent.
MAX Returns the maximum start wavelength available.
This value is wavelength dependent.
response: The wavelength at which the sweep ends as a float value in meters.
example: wav:swe:stop? → +1.55000000E-006<END>
affects: All tunable laser modules
command:
[:SOURce[n]][:CHANnel[m]]:WAVelength:SWEep:[STATe]
syntax: [:SOURce[n]][:CHANnel[m]]:WAVelength:SWEep:[STATe]<wsp>
STOP|0|STARt|1|PAUSe|2|CONTinue|3
description: Stops, starts, pauses or continues a wavelength sweep.
parameters: 0 or STOP:
1 or STARt:
2 or PAUSe:
3 or CONTinue:
Stop the sweep.
Start a sweep, run sweep.
Pause the sweep. (doesn’t apply for continuous sweep)
Continue a sweep. (doesn’t apply for continuous sweep)
NOTE
If you enable lambda logging (see
“[:SOURce[n]][:CHANnel[m]]:WAVelength:SWEep:LLOGging” on page 140 ) and modulation
(see “[:SOURce[n]][:CHANnel[m]]:AM:STATe[l]” on page 117 ) simultaneously, a sweep can-
not be started.
NOTE
Generally, a continuous sweep can only be started if:
the trigger frequency, derived from the sweep speed and sweep step, is <= 40kHz
the number of triggers, calculated from the sweep span and sweep span, is <=100001
the start wavelength is less than the stop wavelength.
In addition, a continuous sweep with lambda logging requires:
the trigger output to be set to step finished
modulation set to coherence control or off.
response: none
example: wav:swe STOP
affects: All tunable laser modules