Performance characterization of the reflection grating arrays (RGA) for the RGS experiment aboard XMM

Details Performance characterization of the reflection grating arrays (RGA) for the RGS experiment aboard XMM Performance characterization of the reflection grating arrays (RGA) for the RGS experiment aboard XMM

Nov 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998spie.3444..327r&link_type=abstract

Proc. SPIE Vol. 3444, p. 327-337, X-Ray Optics, Instruments, and Missions, Richard B. Hoover; Arthur B. Walker; Eds.

Physics

Optics

3

Scientific paper

The Reflection Grating Spectrometer (RGS) aboard XMM is a large collecting area, dispersive soft x-ray spectrometer providing high resolution and a bandpass of 5-35 angstrom. We have built and characterized the two, nearly identical, flight model reflection grating arrays for the RGS instrument. Precision alignment and assembly of 182 grating elements into each array was performed at Columbia Astrophysics/Nevis Laboratory, and end-to-end X-ray calibration and testing were performed at the MPE-Panter facility. Preliminary results from the calibration are summarized, and reconciliation of those results with baseline optical design, simulations and error budgets are discussed.

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