Performance of compact multilayer coated telescopes at soft x-ray/EUV and far-ultraviolet wavelengths I

Richard B. Hoover; Troy W. Barbee Jr.; Phillip C. Baker; Joakim F. Lindblom; Maxwell J. Allen; Craig Edward DeForest; Charles C. Kankelborg; Ray H. O'Neal; Elizabeth S. Paris; Arthur B. C. Walker II

doi:10.1117/12.19147

1 July 1990 Performance of compact multilayer coated telescopes at soft x-ray/EUV and far-ultraviolet wavelengths I

Richard B. Hoover, Troy W. Barbee Jr., Phillip C. Baker, Joakim F. Lindblom, Maxwell J. Allen, Craig Edward DeForest, Charles C. Kankelborg, Ray H. O'Neal, Elizabeth S. Paris, Arthur B. C. Walker II

Author Affiliations +

Proceedings Volume 1235, Instrumentation in Astronomy VII; (1990) https://doi.org/10.1117/12.19147
Event: SPIE Astronomical Telescopes and Instrumentation for the 21st Century, 1990, Tucson, AZ, United States

Abstract

We have developed compact soft x-rayfEUV (XUV), and far-ultraviolet (FtJV) multilayer coated telescopes for the study of the solar chromosphere, corona, and corona/solar wind interface. Because they operate at short wavelengths (4O A < ). < 1550 A), the modest apertures of 40 mm - 127 mm allow observations at very high angular resolution (0.1 - 0.7arc second). In addition to permitting traditional normal incidence optical configurations such as Cassegrain, Ritchey-Chrétien and Herschelian to be used at soft x-ray/EUV wavelengths, multilayer coatings also allow a narrow wavelength band (A/AX -45 - 100) to be selected for imaging. The resulting telescopes provide a very powerful and flexible diagnostic instrument for the study of both the fine scale structure of the chromosphere/corona interface, and the large scale structure of the corona and corona/solar wind interface. In previous papers we have described a new solar rocket payload, the Multi-Spectral Solar Telescope Array (MSSTA) composed of 17 of these compact telescopes. In the present paper, we report on the performance of the 7 MSSTA Ritchey- Chrétien telescopes. Subject terms: Multilayers, XUV, far ultraviolet, solar corona

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Richard B. Hoover, Troy W. Barbee Jr., Phillip C. Baker, Joakim F. Lindblom, Maxwell J. Allen, Craig Edward DeForest, Charles C. Kankelborg, Ray H. O'Neal, Elizabeth S. Paris, and Arthur B. C. Walker II "Performance of compact multilayer coated telescopes at soft x-ray/EUV and far-ultraviolet wavelengths I", Proc. SPIE 1235, Instrumentation in Astronomy VII, (1 July 1990); https://doi.org/10.1117/12.19147

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KEYWORDS

Telescopes

Mirrors

Space telescopes

Multilayers

Extreme ultraviolet

Optical filters

Iron

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