Acta Optica Sinica, Volume. 7, Issue 10, 929(1987)
Optical heterodyne measurement of phase retardation of wave plate
This paper discusses an optical heterodyne technique for the measurement of phase retardation of a wave plate. The accuracy of the measurement of the optical pathe difference of the wave plate is roughly equal to the wavelength devided by 6000, better than other methods.
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LIN YAO, ZHOU ZHIYAO, WANG KENWENG. Optical heterodyne measurement of phase retardation of wave plate[J]. Acta Optica Sinica, 1987, 7(10): 929