Simple phase-shifting lateral shearing interferometer

Emilia Mihaylova; Maurice Whelan; Vincent Toal

doi:10.1364/OL.29.001264

Simple phase-shifting lateral shearing interferometer

Emilia Mihaylova
, Maurice Whelan
, Vincent Toal

Research output: Contribution to journal › Article › peer-review

Abstract

A phase-shifting electronic speckle pattern shearing interferometer with a very simple shearing device is proposed. Two partially reflective glass plates are used to introduce the shear in this new interferometer. The reflection coefficients of the coatings on the two plates are 0.3 and 0.7. The distance between the two glass plates controls the size of the shear. The proposed new interferometric system is simple, flexible, and low cost.

Original language	English
Pages (from-to)	1264-1266
Number of pages	3
Journal	Optics Letters
Volume	29
Issue number	11
DOIs	https://doi.org/10.1364/OL.29.001264
Publication status	Published - 1 Jun 2004

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title = "Simple phase-shifting lateral shearing interferometer",

abstract = "A phase-shifting electronic speckle pattern shearing interferometer with a very simple shearing device is proposed. Two partially reflective glass plates are used to introduce the shear in this new interferometer. The reflection coefficients of the coatings on the two plates are 0.3 and 0.7. The distance between the two glass plates controls the size of the shear. The proposed new interferometric system is simple, flexible, and low cost.",

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AU - Toal, Vincent

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AB - A phase-shifting electronic speckle pattern shearing interferometer with a very simple shearing device is proposed. Two partially reflective glass plates are used to introduce the shear in this new interferometer. The reflection coefficients of the coatings on the two plates are 0.3 and 0.7. The distance between the two glass plates controls the size of the shear. The proposed new interferometric system is simple, flexible, and low cost.

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DO - 10.1364/OL.29.001264

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JO - Optics Letters

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Simple phase-shifting lateral shearing interferometer

Abstract

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