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Applied Optics

Applied Optics


  • Vol. 6, Iss. 11 — Nov. 1, 1967
  • pp: 1930–1933

A Method for Producing Precisely Confocal Resonators for Scanning Interferometers

John R. Johnson  »View Author Affiliations

Applied Optics, Vol. 6, Issue 11, pp. 1930-1933 (1967)

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The desirability of using confocal cavities in scanning interferometers is discussed and a method for fabricating such cavities is described. This method makes use of the fact that in a confocal cavity the minimum spot size, and hence the extent of any combination of cavity modes, is stationary with respect to small changes in the cavity length. A method for reducing wedge in the cavity to small values is also presented. Tolerances are discussed and performance figures for two interferometers produced this way are given.

© 1967 Optical Society of America

Original Manuscript: June 2, 1967
Published: November 1, 1967

John R. Johnson, "A Method for Producing Precisely Confocal Resonators for Scanning Interferometers," Appl. Opt. 6, 1930-1933 (1967)

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  1. P. Connes, Rev. Opt. 35, 39 (1956).
  2. G. D. Boyd, J. P. Gordon, Bell System Tech. J. 40, 489 (1961).
  3. R. L. Fork, D. R. Herriott, H. Kogelnik, Appl. Opt. 3, 1471 (1964). [CrossRef]
  4. H. Kogelnik, Bell System Tech. J. 43, 334 (1964).
  5. H. Kogelnik, Bell System Tech. J. 44, 455 (1965).
  6. P. Connes, J. Phys. Radium 19, 262 (1958). [CrossRef]
  7. F. M. Phelps, J. Opt. Soc. Am. 55, 293 (1965). [CrossRef]
  8. J. R. Johnson, J. Opt. Soc. Am. 56, 1447A (1966).

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