Using SiC for Lightweight EUV Space Optics

Details Using SiC for Lightweight EUV Space Optics Using SiC for Lightweight EUV Space Optics

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009spd....41.1813m&link_type=abstract

American Astronomical Society, SPD meeting #41, #18.13

Physics

Optics

Scientific paper

SiC technology is fast becoming a material of choice for space systems. Herein, we present a novel design for an EUV telescope made entirely of SiC - optics and metering structure inclusive - called the High-resolution Lightweight Telescope for the EUV (HiLiTE). HiLiTE is a Cassegrain telescope with multilayer coated SiC optics tuned to operate at 465 Å, and will image Ne VII emission formed in solar transition region plasma at 500,000 K. HiLiTE will have an aperture of 30 cm, angular resolution of 0.2 arc seconds and operate at a cadence of 5 seconds or less, having a mass that is about ¼ that of one of the 20 cm aperture telescopes on the Atmospheric Imaging Assembly (AIA) instrument aboard NASA's Solar Dynamics Observatory (SDO). This new instrument technology thus serves as a path finder to a post-AIA, Explorer-class mission.

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