6.8 Wave plates A quarter-wave plate is rotated between two crossed polaroids. If an unpolarized beam is inci - dent on the first polaroid, describe the variation of intensity of the emergent beam as the quarter- wave plate is rotated. What would happen if we have a half-wave plate in place of the quarter- wave plate?

Question
6.8 Wave plates
A quarter-wave plate is rotated between two
crossed polaroids. If an unpolarized beam is inci -
dent on the first polaroid, describe the variation of
intensity of the emergent beam as the quarter-
wave plate is rotated. What would happen if we
have a half-wave plate in place of the quarter-
wave plate?
Transcribed Image Text:6.8 Wave plates A quarter-wave plate is rotated between two crossed polaroids. If an unpolarized beam is inci - dent on the first polaroid, describe the variation of intensity of the emergent beam as the quarter- wave plate is rotated. What would happen if we have a half-wave plate in place of the quarter- wave plate?
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