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Proceedings Paper

Simple laser interferometers for concave ellipsoidal mirror testing
Author(s): Gennadi M. Popov; Yevgen G. Popov
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Paper Abstract

A simple laser interferometer is proposed. It consists of a small concave mirror, a gas laser, a semitransparent flat mirror, a concave ellipsoidal mirror under test, and a register equipment. Laser beam is reflected by very small concave or convex paraboloidal mirror and then it is directed to the semitransparent flat mirror, and to the mirror under test. The light reflected by the flat mirror is reference wave, the light reflected by the mirror under test is imperfect wave to screen or in a register equipment to obtain useful interferogramms. It is possible to test any concave ellipsoidal mirror by manufactured and tested at Crimean Astrophysuical Observatory.

Paper Details

Date Published: 19 June 2002
PDF: 6 pages
Proc. SPIE 4778, Interferometry XI: Applications, (19 June 2002); doi: 10.1117/12.473563
Show Author Affiliations
Gennadi M. Popov, Crimean Astrophysical Observatory (Ukraine)
Yevgen G. Popov, Crimean Astrophysical Observatory (Ukraine)

Published in SPIE Proceedings Vol. 4778:
Interferometry XI: Applications
Wolfgang Osten, Editor(s)

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