Measurement of surface figure of plane optical surfaces using Fizeau interferometer with wedge phase-shifter |
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| Authors: | Sanjib Chatterjee |
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| Institution: | Department of Atomic Energy, Centre for Advanced Technology, Government of India, Indore 452013, India |
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| Abstract: | A Fizeau interferometer-based set-up for measurement of surface figure of plane optical surfaces has been discussed. Phase-shifting interferometry has been applied using wedge phase shifter. Technique for elimination of system aberrations has been described. Results are shown for a plane surface. |
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| Keywords: | Fizeau interferometer Surface figure Phase-shifting interferometry Wedge phase shifter Phase unwrapping |
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