Features of the vectorial shearing interferometer

Gonzalo Paez; Marija Strojnik

doi:10.1117/12.402824

6 October 2000 Features of the vectorial shearing interferometer

Gonzalo Paez, Marija Strojnik

Proceedings Volume 4231, Advanced Optical Manufacturing and Testing Technology 2000; (2000) https://doi.org/10.1117/12.402824
Event: International Topical Symposium on Advanced Optical Manufacturing and Testing Technology, 2000, Chengdu, China

Abstract

The vectorial shearing interferometer is based on the Mach- Zehnder configuration, by incorporating the displacement shearing system, composed of a pair of wedge prisms that modify the optical path difference and the tilt of the sheared wave front with respect to that of the reference wave front. The variable shear and tilt may be implemented along any direction, by choosing the displacements Δx and Δy. The number of fringes and their orientation may be controlled with the shear direction and its magnitude. The shearing direction may be chosen along an arbitrary direction. A gradient of the phase function is obtained in any direction with the knowledge of the prescribed displacement in the x- and y-directions.

Citation Download Citation

Gonzalo Paez and Marija Strojnik "Features of the vectorial shearing interferometer", Proc. SPIE 4231, Advanced Optical Manufacturing and Testing Technology 2000, (6 October 2000); https://doi.org/10.1117/12.402824

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