Physics – Optics
Scientific paper
Sep 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007spie.6688e..29s&link_type=abstract
Optics for EUV, X-Ray, and Gamma-Ray Astronomy III. Edited by O'Dell, Stephen L.; Pareschi, Giovanni. Proceedings of the SPIE, V
Physics
Optics
Scientific paper
The Extreme-Ultraviolet Imaging Spectrometer (EIS) on the Hinode satellite records high-resolution solar spectra in the 170-210 Å and 246-290 Å wavelength ranges. The EIS optics operate at near normal incidence and consist of an off-axis parabolic mirror, a toroidal diffraction grating, two CCD detectors, and two thin aluminum filters. To increase the normal incidence efficiency, high-reflectance multilayer interference coatings were deposited on the mirror and the grating. Prior to launch, each of the optical components was calibrated using synchrotron radiation, and the spectral and spatial resolution of the complete instrument were measured. In this paper, we compare the preflight calibrations with the first-light spectra recorded in space.
Brown Charles
Doschek George
Feldman Uri
Hara Hisayuki
Seely John
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