Improved switchable achromatic phase shifters

Parameswaran Hariharan; Philip E. Ciddor

doi:10.1117/1.602153

1 June 1999 Improved switchable achromatic phase shifters

Parameswaran Hariharan, Philip E. Ciddor

Optical Engineering, Vol. 38, Issue 6, (June 1999). https://doi.org/10.1117/1.602153

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°, 90°, and 270°, that are almost independent of the wavelength, over a wide range of wavelengths. The other system can be used to introduce phase shifts of 0° and ± 120° between two orthogonally polarized beams.

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Parameswaran Hariharan and Philip E. Ciddor "Improved switchable achromatic phase shifters," Optical Engineering 38(6), (1 June 1999). https://doi.org/10.1117/1.602153

Published: 1 June 1999

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