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Unformatted text preview: = r E r E r E r D r D r D z y x o z y x 9 9 4 c k e o e 2 = = c k o o o 3 = = E y x z =0 z = L y-axis and z-axis are the slow axes x-axis is the fast axis As the wave propagates in the plate, the y-component of the wave lags behind the faster x-component of the wave in space. E Ex Ey When the lag in space is 1/4 of a wavelength (or an odd-multiple of it) the total E-field becomes circularly polarized (hence the name 1/4-wave plate )....
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