Improved switchable achromatic phase shifters

被引：16

作者：

Hariharan, P ^{[1
]}

Ciddor, PE ^{[1
]}

机构：

[1] CSIRO, Lindfield, NSW 2070, Australia

来源：

OPTICAL ENGINEERING | 1999年 / 38卷 / 06期

关键词：

polarization; interferometry; phase shifters; switchable; achromatic;

D O I：

10.1117/1.602153

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present optimized designs for two switchable achromatic phase shifters using a pair of ferroelectric liquid-crystal devices with retardations of a half-wave mounted between two quarter-wave retarders. The first system can be used with a linearly polarized beam to introduce phase shifts of 0 degrees, 90 degrees, and 270 degrees, that are almost independent of the wavelength, over a wide range of wavelengths. The other system can tie used to introduce phase shifts of 0 degrees and +/-120 degrees between two orthogonally polarized beams. (C) 1999 Society of Photo-Optical Instrumentation Engineers. [S0091-3286(99)00206-8].

引用

页码：1078 / 1080

页数：3

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