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Optical Engineering

Low cost method for subarcsecond testing of a right angle prism
Author(s): Ajay Kumar Saxena; L. Yeswanth
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Paper Abstract

This paper describes a method for testing a right angle prism, or any other optical component having a right angle, to subarcsecond accuracy. The method makes use of Haidinger fringes and is simple to use. Unlike autocollimation and Fizeau interferometer methods, it does not involve an expensive optical setup and has no aperture restriction. The sensitivity of the method can be suitably modified by changing the test setup parameters.

Paper Details

Date Published: 1 December 1990
PDF: 5 pages
Opt. Eng. 29(12) doi: 10.1117/12.55755
Published in: Optical Engineering Volume 29, Issue 12
Show Author Affiliations
Ajay Kumar Saxena, Indian Institute of Astrophysics (India)
L. Yeswanth, Indian Institute of Astrophysics (India)

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