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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 11 — Jun. 1, 2004
  • pp: 1264–1266

Simple phase-shifting lateral shearing interferometer

Emilia Mihaylova, Maurice Whelan, and Vincent Toal  »View Author Affiliations


Optics Letters, Vol. 29, Issue 11, pp. 1264-1266 (2004)
http://dx.doi.org/10.1364/OL.29.001264


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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.

© 2004 Optical Society of America

OCIS Codes
(120.6160) Instrumentation, measurement, and metrology : Speckle interferometry
(220.4830) Optical design and fabrication : Systems design

Citation
Emilia Mihaylova, Maurice Whelan, and Vincent Toal, "Simple phase-shifting lateral shearing interferometer," Opt. Lett. 29, 1264-1266 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-11-1264

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