Wavefront reversal technique for self-referencing collimation testing

Hii, K.U. and Kwek, K.H. (2010) Wavefront reversal technique for self-referencing collimation testing. Applied Optics, 49 (4). pp. 668-672. ISSN 0003-6935,

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We present a wavefront reversal technique to produce a dual-field fringe pattern for self-referencing collimation testing in wedge-plate lateral-shear interferometry. The method requires only a suitably placed cubic beam splitter to produce two replicas of the fringe field formed by the wedge-plate lateral-shear interferometer. One of the replicas has a fringe pattern that is the reverse of the other. With these two fringe fields, the collimation testing has a built-in reference, and the detection sensitivity is twice that of a single-wedge-plate technique. (C) 2010 Optical Society of America

Item Type: Article
Subjects: Q Science > Q Science (General)
Depositing User: MR Faizal II H
Date Deposited: 23 Dec 2015 01:17
Last Modified: 23 Dec 2015 01:17
URI: http://eprints.um.edu.my/id/eprint/15231

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