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MEASure{:ARRay | [:SCALar]} :POWer:WAVelength?
[<expected_value>[,<resolution>]]
Description
<expected_value>
Constants
Returns wavelength values.
Used With
SCALar
ARRay
a. Although ignored, this argument must be present if the resolution
argument is specified.
When used with a :SCALar command, a single value is
returned. The display is placed in the single-wavelength
mode, and the marker is placed on the signal having a
wavelength that is closest to the <expected_value>
parameter. Default units for <expected_value> param-
eter are in meters.
When used with an :ARRay command, an array of wave-
lengths is returned. The display is placed in the list-by-
wavelength mode.
The <resolution> parameter sets the resolution of the
measurement. It is a unitless number whose value will
be limited to either 0.01 or 0.001 (whichever is closer).
Returned values are in meters. Displayed units are
nanometers. Power units are not affected.
CONFigure command
When this function is used with the CONFigure command, the
query question mark character "?" must not be included in the
string. However, the FETCh, READ, and MEASure command are
queries and require the question mark. Refer to the examples
for this command.
MAXimum
MINimum
DEFault
Measurement Instructions 5-15
<expected_value>
optional
ignored
a
The highest wavelength signal
The lowest wavelength signal
The current marker position
<resolution>
optional
optional
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