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Applied Optics

Applied Optics


  • Vol. 27, Iss. 8 — Apr. 15, 1988
  • pp: 1476–1480

Design of the Extreme Ultraviolet Explorer long-wavelength grazing incidence telescope optics

David S. Finley, Patrick Jelinsky, Stuart Bowyer, and Roger F. Malina  »View Author Affiliations

Applied Optics, Vol. 27, Issue 8, pp. 1476-1480 (1988)

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Designing optics for photometry in the long-wavelength portion of the EUV spectrum (400–900 Å) poses different problems from those arising for optics, operating shortward of 400 Å. The available filter materials which transmit radiation longward of 400 Å are also highly transparent at wavelengths shortward of 100 Å. Conventional EUV optics, with grazing angles of ≲10°, have very high throughput in the EUV, which persists to wavelengths shortward of 100 Å. Use of such optics with the longer-wavelength EUV filters thus results in an unacceptably large soft x-ray leak. We have overcome this problem by developing a mirror design with larger graze angles ≥20°, which has high throughput at wavelengths longer than 400 Å but at the same time very little throughput shortward of 100 Å.

© 1988 Optical Society of America

Original Manuscript: September 21, 1987
Published: April 15, 1988

David S. Finley, Patrick Jelinsky, Stuart Bowyer, and Roger F. Malina, "Design of the Extreme Ultraviolet Explorer long-wavelength grazing incidence telescope optics," Appl. Opt. 27, 1476-1480 (1988)

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  1. S. Bowyer, “The Extreme Ultraviolet Explorer,” Adv. Space Res. 6, 153 (1986). [CrossRef]
  2. R. F. Malina, S. Bowyer, M. Lampton, D. Finley, F. Paresce, G. Penegor, H. Heetderks, “Extreme Ultraviolet Explorer,” Opt. Eng. 21, 764 (1982). [CrossRef]
  3. M. C. Hettrick, S. Bowyer, R. F. Malina, C. Martin, S. Mrowka, “Extreme Ultraviolet Explorer Spectrometer,” Appl. Opt. 24, 1737 (1985). [CrossRef] [PubMed]
  4. S. Chakrabarti, S. Bowyer, F. Paresce, J. B. Franke, A. B. Christensen, “Long Term Variability of Transmission of Thin In–Sn and Sn–C Films for EUV Instrumentation,” Appl. Opt. 21, 3417 (1982). [CrossRef] [PubMed]
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  6. S. Labov, S. Bowyer, G. Steele, “Boron and Silicon: Filters for the Extreme Ultraviolet,” Appl. Opt. 24, 576 (1985). [CrossRef] [PubMed]
  7. J. V. Vallerga, O. H. W. Siegmund, P. Jelinsky, M. Hurwitz, “The Calibration of Thin Film Filters to be Used on the Extreme Ultraviolet Explorer Satellite,” Proc. Soc. Photo-Opt. Instrum. Eng. 689, 138 (1986).
  8. B. L. Henke, P. Lee, T. J. Tanaka, R. L. Shimabukuro, B. K. Fujikawa, “Low Energy X-Ray Interaction Coefficients: Photoabsorption, Scattering, and Reflection,” At. Data Nucl. Data Tables 27, 1 (1982). [CrossRef]
  9. L. R. Canfield, G. Hass, W. R. Hunter, “The Optical Properties of Evaporated Gold in the Vacuum Ultraviolet from 300 Å to 2000 Å,” J. Phys. 25, 124 (1964). [CrossRef]

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