Remote Control
Tunable Laser Source
57
Specific Commands
SOURce:SWEep:PROGram?
Description
This function is used to set the parameters for a sweep
program. During a sweep program, the application sweeps
between two wavelengths: the minimum and maximum
wavelengths. This function also returns the validated
parameters.
Syntax
SOUR:SWE:PROG?<space><central>,<span>,<time>
Parameters
The <central> parameter represents the central wavelength
(the wavelength halfway between the minimum and maximum
wavelengths). The current spectral measurement units apply
(nm or THz). The format must be “9999.99” (nm) or “999.999”
(THz).
The <span> parameter represents the wavelength range to be
swept below and above the central wavelength: span = (max.
wavelength – min. wavelength) / 2. The current spectral
measurement units apply (nm or THz). The format must be
“9999.99” (nm) or “999.999” (THz).
The <time> parameter represents the duration of the sweep.
The format must be “HHHH:MM:SS”. The time is automatically
adjusted according to the sweep minimum and maximum
speed (which is between 0.10 and 2.50 nm/s).
Response
A value confirming the new settings. If the parameters entered
are not valid, the application will make the necessary changes.
The format is “9999.99;99.99;999:99:99” (when the current
spectral units are nm) or “999.999;9.999;9999:99:99” (when the
current spectral units are THz).
Note
It is strongly recommended that you perform the
SOUR:SWE:REV command before the SOUR:SWE:PROG?
command.
Example
SOUR:SWE:PROG? 1552.52,10.00,0000:01:00
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