Compact optics for high resolution spectroscopy of celestial x-ray sources

W. Cash; C. Lillie; R. McEntaffer; W. Zhang

doi:10.1117/12.887092

10 May 2011 Compact optics for high resolution spectroscopy of celestial x-ray sources

W. Cash, C. Lillie, R. McEntaffer, W. Zhang

Proceedings Volume 8076, EUV and X-Ray Optics: Synergy between Laboratory and Space II; 807603 (2011) https://doi.org/10.1117/12.887092
Event: SPIE Optics + Optoelectronics, 2011, Prague, Czech Republic

Abstract

The astronomy community has never flown a celestial source spectrograph that can resolve natural line widths in absorption the way the ultraviolet community since OAO-3 Copernicus in 1972. Yet there is important science to be mined there, and right now there are now missions on track to pursue it. We present a modified off-plane grating spectrograph design that will support high resolution (λ/δλ ~ 4000) in the soft x-ray band with a high packing density that will enable a modest cost space mission. We discuss the design for the WHIMEx mission which was proposed as an Explorer earlier this year with the goal of detecting high temperature oxygen in the Intergalactic Medium.

Citation Download Citation

W. Cash, C. Lillie, R. McEntaffer, and W. Zhang "Compact optics for high resolution spectroscopy of celestial x-ray sources", Proc. SPIE 8076, EUV and X-Ray Optics: Synergy between Laboratory and Space II, 807603 (10 May 2011); https://doi.org/10.1117/12.887092

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