The mirror module design for the cryogenic x-ray imaging spectrometer on-board ORIGIN

Marco Barbera; Teresa Mineo; Stefano Basso; Finn Erland Christensen; Jan-Willem den Herder; Jelle Kaastra; Luigi Piro; Daniele Spiga; Coen van Baren

doi:10.1117/12.889269

4 May 2011 The mirror module design for the cryogenic x-ray imaging spectrometer on-board ORIGIN

Marco Barbera, Teresa Mineo, Stefano Basso, Finn Erland Christensen, Jan-Willem den Herder, Jelle Kaastra, Luigi Piro, Daniele Spiga, Coen van Baren

Author Affiliations +

Proceedings Volume 8076, EUV and X-Ray Optics: Synergy between Laboratory and Space II; 80760A (2011) https://doi.org/10.1117/12.889269
Event: SPIE Optics + Optoelectronics, 2011, Prague, Czech Republic

Abstract

ORIGIN is a medium size high-energy mission concept submitted to ESA in response to the Cosmic Vision call issued on July 2010. The mission will investigate the evolution of the Universe by performing soft X-ray high resolution spectroscopic measurements of metals formed in different astrophysical environments, from the first population III stars at z > 7 to the present large scale structures. The main instrument on-board ORIGIN will be a large format array of TES X-ray micro-calorimeters covering a FOV of 30' at the focal plane of a grazing incidence optical module with a focal length of 2.5 m and an angular resolution of 30'' HEW at 1 keV. We present the optical module design which is based on hybrid technologies, namely Silicon Pore Optics for the outer section and Ni electro-forming for the inner section, and we present the expected performances based on test measurements and ray-tracing simulations.

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Marco Barbera, Teresa Mineo, Stefano Basso, Finn Erland Christensen, Jan-Willem den Herder, Jelle Kaastra, Luigi Piro, Daniele Spiga, and Coen van Baren "The mirror module design for the cryogenic x-ray imaging spectrometer on-board ORIGIN", Proc. SPIE 8076, EUV and X-Ray Optics: Synergy between Laboratory and Space II, 80760A (4 May 2011); https://doi.org/10.1117/12.889269

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KEYWORDS

Mirrors

Nickel

Spatial resolution

Coating

Gold

X-rays

Geometrical optics

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