Electronic speckle pattern shearing interferometer using a holographic grating

L. Buerkle; Charles Joenathan

doi:10.1117/12.216846

18 August 1995 Electronic speckle pattern shearing interferometer using a holographic grating

L. Buerkle, Charles Joenathan

Proceedings Volume 2622, Optical Engineering Midwest '95; (1995) https://doi.org/10.1117/12.216846
Event: Optical Engineering Midwest '95, 1995, Chicago, IL, United States

Abstract

In this paper we propose a new method of shearing in an electronic speckle pattern shearing interferometry using holographic gratings. The system we are proposing consists of two parts: 1) to image the object onto an intermediate ground glass, and 2) the image on the ground glass is in turn imaged onto the photosensor of a CCD camera. A holographic grating placed in front of the ground glass screen is used for shearing the two images and for introducing phase stepping.

Citation Download Citation

L. Buerkle and Charles Joenathan "Electronic speckle pattern shearing interferometer using a holographic grating", Proc. SPIE 2622, Optical Engineering Midwest '95, (18 August 1995); https://doi.org/10.1117/12.216846

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