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Journal of Optical Technology

Journal of Optical Technology


  • Vol. 80, Iss. 5 — May. 1, 2013
  • pp: 316–320

Phase-shifting interferometer for monitoring flat and spherical optical components

G. N. Vishnyakov, G. G. Levin, V. L. Minaev, and I. Y. Tselmina  »View Author Affiliations

Journal of Optical Technology, Vol. 80, Issue 5, pp. 316-320 (2013)

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This paper discusses an automatic interferometer that makes it possible to measure the surface profile of flat and spherical (with a large radius of curvature) optical items. The interferometer’s field of view is as much as 30 mm in diameter. The vertical configuration of the main optical elements of the interferometer allowed it to be made compact and insensitive to vibrations. The surface profile is automatically measured by means of a nine-step phase-shift method. The results of experimental testing of the interferometer and its technical characteristics are presented.

© 2013 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry

Original Manuscript: September 24, 2012
Published: May 21, 2013

G. N. Vishnyakov, G. G. Levin, V. L. Minaev, and I. Y. Tselmina, "Phase-shifting interferometer for monitoring flat and spherical optical components," J. Opt. Technol. 80, 316-320 (2013)

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