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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 27, Iss. 8 — Apr. 15, 1988
  • pp: 1486–1491

Ghost image behavior in Wolter type I x-ray telescopes

Edward C. Moran and James E. Harvey  »View Author Affiliations


Applied Optics, Vol. 27, Issue 8, pp. 1486-1491 (1988)
http://dx.doi.org/10.1364/AO.27.001486


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Abstract

In Wolter type I grazing incidence telescopes, ghost images result whenever unreflected x rays or singly reflected x rays pass through the telescope and impinge on the focal plane. These ghost images degrade image quality and can be eliminated by appropriately positioned stops and baffles. However, conflicting demands can be placed on an aperture design by requirements for field of view, vignetting, and ghost image control. These problems are particularly severe for high energy x-ray telescopes which require very small grazing angles of incidence. We have developed and used analytical and numerical tools to perform parametric analyses of ghost image behavior and to obtain an aperture plate design capability that can be utilized to satisfy specific ghost image requirements.

© 1988 Optical Society of America

History
Original Manuscript: December 1, 1987
Published: April 15, 1988

Citation
Edward C. Moran and James E. Harvey, "Ghost image behavior in Wolter type I x-ray telescopes," Appl. Opt. 27, 1486-1491 (1988)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-27-8-1486


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References

  1. H. Wolter, “Spiegelsysteme streifenden Einfalls als abbildende Optiken fur Rontgenstrahlen,” Ann. Phys. 10, 94 (1952). [CrossRef]
  2. L. P. Van Speybroeck, R. C. Chase, “Design Parameters of Paraboloid-Hyperboloid Telescopes for X-Ray Astronomy,” Appl. Opt. 11, 440 (1972). [CrossRef]
  3. M. V. Zombeck, G. K. Austin, D. T. Torgerson, “High Resolution Mirror Assembly (HRMA) Optical Systems Study,” Smithsonian Astrophysical Observatory Technical Report SAO-AXAF-80-003, 3–27 (1980).
  4. L. P. Van Speybroeck, R. C. Chase, T. F. Zehnpfennig, “Orthogonal Mirror Telescopes for X-Ray Astronomy,” Appl. Opt. 10, 945 (1971). [CrossRef]
  5. A. Bunner, “CXGT X-Ray Telescope Design Study,” Perkin-Elmer Engineering Report ER-526, 107 (1982).
  6. P. Young, K. Chisholm, Perkin-Elmer Corp., private communication (1987).

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