52 Keysight N778xC Series Polarization Instruments User’s Guide
3 Definition of Terms
Maximum Sampling Rate
Specifies the maximum sampling rate into instrument memory for
acquiring the State of Polarization (SOP) including DOP. Note that the time
needed for transferring this data into a PC depends on the used interface.
SOP Cycling Time
The SOP cycling time is measured by applying a sequence with Stokes
vector angles 0º - 90º- 180º - 90º - 0º on the Poincaré sphere at the input
of the DUT with 50kHz. The cycling time is defined as the average of the
four Tau
τ90 -values.
Remaining SOP Error After Deterministic SOP Setting
This value is defined to be 5 times the standard deviation of the angular
SOP error on the Poincaré sphere while the controller is turned on.
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