What is Photoelastic modulator?Is it necessary to use Photoelastic modulator or retarder wave plates in set up of Magneto optic kerr effect(MOKE)?

In Magneto optic kerr effect(MOKE),polarised light passes through PEM first before incident on the sample or sometimes PEM is used at place ahead of sample and similar case is with the retardation...

26 November 2021 2,618 0 View