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8. (a) Using Jones matrices, show that ideal crossed linear polarizers extinguish light of any polarization! (b) A quarter-wave plate is inserted between crossed polarizers, with its fast axis at an angle O to the transmission axis Or of the first polarizer. What is the resulting Jones matrix? (c) If unpolarized light of intensity / is incident on this system, how does the trans- mitted intensity depend on ? What is the maximum transmitted intensity, and at what values of 0 does this occur