Design and optimization of the wide-field spectrometer for the EDGE wide-field spectrometer

Details Design and optimization of the wide-field spectrometer for the EDGE wide-field spectrometer Design and optimization of the wide-field spectrometer for the EDGE wide-field spectrometer

Sep 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007spie.6688e...8s&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

We have been performing design and optimization of the optics for the Wide Field Spectrometer (WFS): one of the core instruments of the EDGE mission whose science targets are the studies of formation and evolution of large scale structures in the universe. WFS mirrors are based on a conical approximation of the Wolter-I design fabrication technique already applied for ASCA and SUZAKU satellites. In order to give both a large effective area and grasp with small TES detector we use a very short focal length with 1.2 m and 4 reflections system for the outer diameter. The effective area and grasp including the detector efficiency and the filter transmission are 1163 cm2 and 405 cm2deg2 at 0.6 keV respectively.

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