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Optical Engineering

Improved switchable achromatic phase shifters, part 2
Author(s): Parameswaran Hariharan; Philip E. Ciddor; Maitreyee Roy
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Paper Abstract

We present a design for a switchable phase shifter that can be incorporated in a Michelson interferometer. This arrangement uses a pair of ferroelectric liquid-crystal devices with nominal retardations of a quarter wave and a switching angle of 45 deg. It produces phase shifts of 0 and ±90 deg that are almost independent of the wavelength over the range of visible wavelengths.

Paper Details

Date Published: 1 October 2005
PDF: 4 pages
Opt. Eng. 44(10) 105603 doi: 10.1117/1.2084587
Published in: Optical Engineering Volume 44, Issue 10
Show Author Affiliations
Parameswaran Hariharan, Commonwealth Scientific and Industrial Research Organisation (Australia)
Philip E. Ciddor, Commonwealth Scientific and Industrial Research Organisation (Australia)
Maitreyee Roy, The Univ. of Sydney (Australia)


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