Phase stepping in digital grating-shear speckle pattern interferometry

Roberto Torroba

doi:10.1117/12.2299044

1 September 1996 Phase stepping in digital grating-shear speckle pattern interferometry

Roberto Torroba

Proceedings Volume 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology; 27784I (1996) https://doi.org/10.1117/12.2299044
Event: 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 1996, Taejon, Korea, Republic of

Abstract

A phase stepping technique for digital speckle pattern shear interferometer with the aid of a diffraction grating as shear element, is presented. In-plane translation of the grating introduces the required phase shift. Experimental results are presented to show the validity of the proposal.

Citation Download Citation

Roberto Torroba "Phase stepping in digital grating-shear speckle pattern interferometry", Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 27784I (1 September 1996); https://doi.org/10.1117/12.2299044

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