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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 7, Iss. 11 — Nov. 1, 1968
  • pp: 2315–2317

A Measuring Interferometer for High Accuracy Alignment

Robert O. Naess  »View Author Affiliations


Applied Optics, Vol. 7, Issue 11, pp. 2315-2317 (1968)
http://dx.doi.org/10.1364/AO.7.002315


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Abstract

An interferometer is described that is capable of measuring the deviation of a target device from a plane with an accuracy of 0.1 μ, when the interferometer–target separation is as much as 10 m. This interferometer resembles one described in 1965 by Baldwin and Whitten in that they both use a Kösters prism and a Porro prism. The present use of a laser for the light source yields nonlocalized fringes at the output that are easily monitored by an electronic fringe detector.

© 1968 Optical Society of America

History
Original Manuscript: February 19, 1968
Published: November 1, 1968

Citation
Robert O. Naess, "A Measuring Interferometer for High Accuracy Alignment," Appl. Opt. 7, 2315-2317 (1968)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-7-11-2315

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