Compared with the built-in linear polarizer, Keysight 8169A provides polarization synthesis. The quarter-wave plate and half-wave plate are adjusted one by one to create all possible states of polarization in a decisive way. The polarizer generates a polarization linear state with a high extinction ratio. The internal predetermined algorithm of 8169A makes the transmission path from a certain polarization state on the Poingcari sphere to another state to be specified along the orthogonal great circle.
application:
Polarization synthesis
Fully automatic polarization adjustment on the entire Poencari ball (decisive method)
Single-band polarization dependent loss measurement w/ Keysight 8163A/64A/66A or 8509C (when the polarization dependent loss is <1.0 dB, the typical measurement time is 2-10 seconds)
Scanning waveband polarization dependent loss measurement (w/ Keysight 8153A and 8168XX)
EDFA gain measurement for dependent polarization
EDFA characterizes the polarization zero
Polarization sensitivity measurement of optical coupling coefficient (power change / SOP)
Polarization beam correction related to the main polarization state of the test equipment (w/ Keysight 8153A)
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