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In: Physics

A circularly polarised beam of light with a vacuum wavelength of 1.55 micro meters is incident...

A circularly polarised beam of light with a vacuum wavelength of 1.55 micro meters is incident on a two cascaded quarter wave-plates, followed by a third unknown wave-plate. The light emerging from the system remains circularly polarised.

Find out the Jones vector characterizing the state of polarisation of the incident beam of light?

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