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Applied Optics

Applied Optics


  • Vol. 31, Iss. 1 — Jan. 1, 1992
  • pp: 110–114

Variability in the vacuum-ultraviolet transmittance of magnesium fluoride windows

Howard Herzig, Charles M. Fleetwood, Jr., and Albert R. Toft  »View Author Affiliations

Applied Optics, Vol. 31, Issue 1, pp. 110-114 (1992)

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In the course of the development of a domed magnesium fluoride detector window for the Space Telescope Imaging Spectrograph, slated to be a second-generation instrument aboard the Hubble Space Telescope, sample window materials from various commercial sources displayed a wide variability in vacuum ultraviolet transmittance. As a result a test program was undertaken in cooperation with the supplier of a prototype domed window to maximize transmittance. Results of the program have provided clues to the causes of the variations experienced, and they point to careful selection of raw materials and strict process control to achieve optimization.

© 1992 Optical Society of America

Original Manuscript: March 21, 1991
Published: January 1, 1992

Howard Herzig, Charles M. Fleetwood, and Albert R. Toft, "Variability in the vacuum-ultraviolet transmittance of magnesium fluoride windows," Appl. Opt. 31, 110-114 (1992)

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  1. B. E. Woodgate, A. Boggess, T. R. Gull, S. R. Heap, V. L. Krueger, S. P. Maran, R. W. Melcher, F. J. Rebar, H. D. Vitagliano, R. F. Green, S. C. Wolff, J. B. Hutchings, E. B. Jenkins, J. L. Linsky, H. W. Moos, F. Roesler, R. A. Shine, J. G. Timothy, D. E. Weistrop, M. Bottema, W. Meyer, “Second generation spectrograph for the Hubble Space Telescope,” in Instrumentation in Astronomy VI, D. L. Crawford, ed., Proc. Soc. Photo-Opt. Instrum. Eng.627, 350–362 (1986).
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  5. J. B. Benavides, J. L. Wall, Materials Branch, Goddard Space Flight Center, Greenbelt, Md. 20771 (personal communications, 1989).
  6. J. T. Van Sant, H. W. Leidecker, T. M. Heslin, Materials Branch, Goddard Space Flight Center, Greenbelt, Md. 20771 (personal communication, 1989).

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