Retrieval of infinite-fringe mode information from beam folding interferometer for direct phase visualization

Kumar, Raj and Chhachhia, D.P. and Aggarwal, A.K. (2006) Retrieval of infinite-fringe mode information from beam folding interferometer for direct phase visualization. Journal of Optics A: Pure Applied Optics, 8 (9). pp. 747-751. ISSN 1464-4258

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Official URL: http://iopscience.iop.org/1464-4258/8/9/007

Abstract

A recently reported one-beam interferometer using beam folding is quite suitable for carrying out studies on phase objects in finite-fringe mode, but in its present form it is difficult to work with this interferometer in infinite-fringe mode for direct and quick phase visualization, which may be required for certain problems of physical interest. The present paper describes a modification to the beam folding interferometer, where interferometric fringes are superimposed onto a grating to get both finite- as well as infinite-fringe mode information of the test object.

Item Type: Article
Subjects: CSIO > Optics
Depositing User: Ms. J Shrivastav
Date Deposited: 29 Mar 2012 23:43
Last Modified: 11 Apr 2012 11:14
URI: http://csioir.csio.res.in/id/eprint/41

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