Agilent Technologies 86121A User Manual page 166

Wdm channel analyzer
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Attribute Summary
Query Response
:SENSe:DATA?
Attribute Summary
Description
Constant
MINimum
MAXimum
Preset State: 0.0
*RST State: 0.0
SCPI Compliance: standard
The query form returns the current offset setting as
shown in the following example:
+5.00000000E+000
Queries the time domain samples of the input laser line.
Preset State: none
SCPI Compliance: instrument specific
Query Only
Be prepared to process a large amount of data when
this query is sent. The amount of data returned
depends on the measurement update state of the
instrument which is set using the resolution argument
of an instrument function.
Instructions" on page
When NORMAL measurement update is specified, over
2,200 kilobytes of data (2
the computer. When FAST measurement update is speci-
fied, over 1,100 kilobytes of data (2
returned.
The floating point values are scaled from 1.000 to
1.999756 (1 + 4095/4096). Amplitude values are not
calibrated.
The input laser line(s) generate an interference pattern
on the photodetector as a function of the Michelson
interferometer optical path delay. The time domain data
is sampled at uniform optical path delay increments of
the reference laser wavelength, or 0.632991 microns.
When NORMAL measurement update is selected, the
first data value is sampled at –41.48 mm optical path
SENSe Subsystem 5-51
Description
40.0 dB
40.0 dB
Refer to "Measurement
5-11.
17
values) can be returned to
16
values) can be

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