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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 34 — Dec. 1, 2001
  • pp: 6210–6214

Focus retrocollimated interferometry for long-radius-of-curvature measurement

Yang Xiang  »View Author Affiliations


Applied Optics, Vol. 40, Issue 34, pp. 6210-6214 (2001)
http://dx.doi.org/10.1364/AO.40.006210


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Abstract

Focus retrocollimated interferometry is described for measuring long radius of curvature (⩾1 m), and achievable accuracy is discussed. It is shown that this method can be applied to both concave and convex spherical surfaces and can provide measurement to accuracy of 0.01–0.1%.

© 2001 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.4290) Instrumentation, measurement, and metrology : Nondestructive testing

History
Original Manuscript: September 21, 2000
Revised Manuscript: June 21, 2001
Published: December 1, 2001

Citation
Yang Xiang, "Focus retrocollimated interferometry for long-radius-of-curvature measurement," Appl. Opt. 40, 6210-6214 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-34-6210


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References

  1. J. Bruning, “Fringe scanning interferometers,” in Optical Shop Testing, D. Malacara, ed. (Wiley, New York, 1978), pp. 428–430.
  2. L. A. Selberg, “Radius measurement by interferometry,” Opt. Eng. 31, 1961–1966 (1992). [CrossRef]
  3. M. C. Gerchman, G. C. Hunter, “Differential technique for accurately measuring the radius of curvature of long radius concave optical surfaces,” Opt. Eng. 19, 843–848 (1980). [CrossRef]
  4. Y. W. Lee, H. M. Cho, I. W. Lee, “Measurement of a long radius of curvature using a half-aperture bidirectional shearing interferometer,” Opt. Eng. 35, 480–483 (1996). [CrossRef]
  5. H. H. Hopkins, Wave Theory of Aberration (Oxford University, Oxford, UK, 1950), p. 14.

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