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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 13, Iss. 11 — Nov. 1, 1974
  • pp: 2580–2584

Spherically Corrected Reflecting Objective for Unit Magnification

Klaus D. Mielenz  »View Author Affiliations


Applied Optics, Vol. 13, Issue 11, pp. 2580-2584 (1974)
http://dx.doi.org/10.1364/AO.13.002580


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Abstract

Cassegrainian-type reflecting objectives are useful as in-line imaging devices for fast spectrometer systems. They are inherently free from chromatic aberrations and may be corrected for spherical aberration. A particularly simple design, consisting of two mirrors with oppositely equal curvatures, is possible when unit magnification is desired. This system has zero third-order spherical aberration, and all other aberrations are small also. Its main disadvantage is the loss due to the central obstruction of the beam, amounting to about 28% exclusive of reflection losses.

© 1974 Optical Society of America

History
Original Manuscript: March 8, 1974
Published: November 1, 1974

Citation
Klaus D. Mielenz, "Spherically Corrected Reflecting Objective for Unit Magnification," Appl. Opt. 13, 2580-2584 (1974)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-13-11-2580


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References

  1. W. J. Smith, Modern Optical Engineering (McGraw-Hill, New York, 1966), pp. 367–368.
  2. D. P. Feder, J. Opt. Soc. Am. 41, 630 (1951). [CrossRef]

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