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Layered synthetic microstructures for solar EUV telescopes (1985)

Osantowski, J. F. ; Thomas, R. J. ; Epstein, G. L. ; [et al.]

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Publication Date: 2011-08-19

Description: The application of layered synthetic microstructures (LSMs) to figured mirrors suitable for normal incidence solar EUV telescopes is considered, and initial studies for a single mirror telescope consisting of an f/18, 200-cm focal length off-axis paraboloid demonstrate the feasibility of LSM coatings for moderate sized mirrors. Analytical studies on broadband designs comprised of five layers show a seven percent reflectance at 256 A and reflectivities of over 12 percent for wavelengths above 300 A. Deposition considerations are also discussed.

Keywords: ASTRONOMY

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