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Applied Optics

Applied Optics


  • Vol. 25, Iss. 12 — Jun. 15, 1986
  • pp: 1917–1921

Evaluation of dielectric film beam splitters at cryogenic temperature

Harold P. Larson  »View Author Affiliations

Applied Optics, Vol. 25, Issue 12, pp. 1917-1921 (1986)

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The stability of self-supporting dielectric film beam splitters at cryogenic temperature was studied with a test interferometer that allowed continuous visual monitoring of the surface figure. Test beam splitters using Mylar film remained flat to within a wavelength of visible light in a 3-cm diam central area during multiple cycles between room temperature and ~4 K. Factors that could affect the surface figure, such as assembly procedures and the mechanical design of the film holder, were studied to determine some of the conditions for employing Mylar beam splitters in cryogenic space instrumentation.

© 1986 Optical Society of America

Original Manuscript: January 27, 1986
Published: June 15, 1986

Harold P. Larson, "Evaluation of dielectric film beam splitters at cryogenic temperature," Appl. Opt. 25, 1917-1921 (1986)

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  1. R. J. Bell, Introductory Fourier Transform Spectroscopy (Academic, New York, 1972).
  2. D. Lemke, M. Grewing, P. Preussner, W. Martin, D. Offerman, G. Lange, S. Drapatz, R. Katterloher, H. Denner, G. Klipping, F. Dahl, K. Proetel, “The German Infrared Laboratory (GIRL)-A Progress Report,” Adv. Space Res. 5, 11 (1985). [CrossRef]
  3. S. Drapatz, R. Hofmann, R. Katterloher, “A Helium Cooled Michelson Interferometer for Far Infrared Astronomy on Spacelab,” in Proceedings, Eighth International Conference on Infrared and Millimeter Waves, Miami (1983), paper TH5.2.
  4. A. Rudman, “Cooled Beamsplitters Require Special Mounting,” Lasers Appl. IV, No. 12, 81 (1985).

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