Off-plane grating spectrometer for the International X-ray Observatory

Randall L. McEntaffer; Neil J. Murray; Andrew Holland; Charles Lillie; Suzanne Casement; Dean Dailey; Tim Johnson; Webster C. Cash; Phillip H. Oakley; Ted Schultz; David N. Burrows

doi:10.1117/12.827980

31 August 2009 Off-plane grating spectrometer for the International X-ray Observatory

Randall L. McEntaffer, Neil J. Murray, Andrew Holland, Charles Lillie, Suzanne Casement, Dean Dailey, Tim Johnson, Webster C. Cash, Phillip H. Oakley, Ted Schultz, David N. Burrows

Author Affiliations +

Proceedings Volume 7437, Optics for EUV, X-Ray, and Gamma-Ray Astronomy IV; 74370H (2009) https://doi.org/10.1117/12.827980
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

A dispersive spectrometer onboard the International X-ray Observatory (IXO) provides a method for high throughput and high spectral resolution at X-ray energies below 1 keV. An off-plane reflection grating array maximizes these capabilities. We present here a mature mechanical design that places the grating array on the spacecraft avionics bus 13.5 m away from the focal plane. In addition, we present the technology development plan for advancing the Technology Readiness Level to 6 for the Off-Plane X-ray Grating Spectrometer.

Citation Download Citation

Randall L. McEntaffer, Neil J. Murray, Andrew Holland, Charles Lillie, Suzanne Casement, Dean Dailey, Tim Johnson, Webster C. Cash, Phillip H. Oakley, Ted Schultz, and David N. Burrows "Off-plane grating spectrometer for the International X-ray Observatory", Proc. SPIE 7437, Optics for EUV, X-Ray, and Gamma-Ray Astronomy IV, 74370H (31 August 2009); https://doi.org/10.1117/12.827980

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