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Modified double-wedge-plate shearing interferometer for collimation testing

โœ Scribed by Darlin, J. S. ;Sriram, K. V. ;Kothiyal, M. P. ;Sirohi, R. S.


Book ID
115344162
Publisher
The Optical Society
Year
1995
Tongue
English
Weight
299 KB
Volume
34
Category
Article
ISSN
1559-128X

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Wedge plate interferometry: a new dual f
โœ J.S. Darlin; M.P. Kothiyal; R.S. Sirohi ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 276 KB

A method of deriving a dual ยฎeld fringe pattern from a single wedge plate for collimation testing is presented. The proposed technique uses a wedge plate and a 908 prism retroreยฏector to form two interference ยฎelds. With the two sets of fringes, the technique provides twofold increase in sensitivity