Layered synthetic microstructures for solar EUV telescopesThe 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.
Document ID
19870023692
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Keski-Kuha, R. A. M. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Thomas, R. J. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Epstein, G. L. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Osantowski, J. F. (NASA Goddard Space Flight Center Greenbelt, MD, United States)