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

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

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990opten..29.1281h&link_type=abstract

Optical Engineering (ISSN 0091-3286), vol. 29, Oct. 1990, p. 1281-1290.

Computer Science

Performance

7

Chromosphere, Extreme Ultraviolet Radiation, Solar Corona, Solar Wind, Ultraviolet Telescopes, X Ray Telescopes, Alignment, Helium-Neon Lasers, Mirrors, Solar Arrays

Scientific paper

Compact soft X-ray/EUV (XUV) and far-ultraviolet (FUV) multilayer coated telescopes have been developed for the study of the solar chromosphere corona and corona/solar wind interface. Because they operate at short wavelengths (between about 40 and 1550 A), the modest apertures of 40 to 127 mm allow observations at very high angular resolution (0.1 to 0.7 arcsec). In addition to permitting traditional normal incidence optical configurations such as Cassegrain, Ritchey-Chretien, and Herschelian to be used at XUV wavelengths, multilayer coatings also allow a narrow wavelength band 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. A new solar rocket payload, the Multi-Spectral Solar Telescope Array (MSSTA), composed of 17 of these compact telescopes, was developed. This paper reports on the performance of seven MSSTA Ritchey-Chretien telescopes.

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