ASTRO-H Soft X-ray Telescope (SXT)

Yang Soong; Peter J. Serlemitsos; Takashi Okajima; Devin Hahne

doi:10.1117/12.894305

30 September 2011 ASTRO-H Soft X-ray Telescope (SXT)

Yang Soong, Peter J. Serlemitsos, Takashi Okajima, Devin Hahne

Proceedings Volume 8147, Optics for EUV, X-Ray, and Gamma-Ray Astronomy V; 814702 (2011) https://doi.org/10.1117/12.894305
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

ASTRO-H is an astrophysics satellite dedicated for X-ray spectroscopic study non-dispersively and to carry out survey complementally, which will be borne out of US-Japanese collaborative effort. Among the onboard instruments there are four conically approximated Wolter-I X-ray mirrors, among which two of them are soft X-ray mirrors1, of which the energy range is from a few hundred eV to 15 keV, currently being fabricated in the X-ray Optics Lab at Goddard Space Flight Center. The focal point instruments will be a calorimeter (SXS) and a CCD camera (SXI), respectively. The reflectors of the mirror are made of heat-formed aluminum substrate of the thickness gauged of 152 μm, 229 μm, and 305 μm of the alloy 5052 H-19, followed by epoxy replication on gold-sputtered smooth Pyrex cylindrical mandrels to acquire the X-ray reflective surface. The epoxy layer is 10 μm nominal and surface gold layer of 0.2 μm. Improvements on angular response over the Astro-E1/Suzaku mirrors come from error reduction on the figure, the roundness, and the grazing angle/radius mismatching of the reflecting surface, and tighter specs and mechanical strength on supporting structure to reduce the reflector positioning and the assembly errors. In this paper, we report the results of calibration of the engineering model of SXT (EM), and project the quality of the flight mirrors.

Citation Download Citation

Yang Soong, Peter J. Serlemitsos, Takashi Okajima, and Devin Hahne "ASTRO-H Soft X-ray Telescope (SXT)", Proc. SPIE 8147, Optics for EUV, X-Ray, and Gamma-Ray Astronomy V, 814702 (30 September 2011); https://doi.org/10.1117/12.894305

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available