Performance of the large-area position-sensitive x-ray detector of the SAX wide-field camera

Willem A. Mels; H. B. Buurmans; R. Henderikus Jager; P. Lowes; A. P. Naber; A. Rook; R. Schuurhof; A. C. Brinkman

doi:10.1117/12.224916

16 October 1995 Performance of the large-area position-sensitive x-ray detector of the SAX wide-field camera

Willem A. Mels, H. B. Buurmans, R. Henderikus Jager, P. Lowes, A. P. Naber, A. Rook, R. Schuurhof, A. C. Brinkman

Proceedings Volume 2517, X-Ray and EUV/FUV Spectroscopy and Polarimetry; (1995) https://doi.org/10.1117/12.224916
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

A large area position sensitive x-ray detector system has been developed and built for the wide field cameras aboard the SAX satellite. This satellite will be launched early 1996. The detector is a sealed multiwire position sensitive proportional counter filled with 2 bar xenon gas. It has a sensitive area of 256 multiplied by 256 mm. The system covers the photon energy range of 1.8 to 30 keV. The position resolution is better than 0.5 mm for energies lower than 10 keV. The background rejection efficiency is better than 95%. The performance of the detector system is described. Pre-flight test and calibration results are presented.

Citation Download Citation

Willem A. Mels, H. B. Buurmans, R. Henderikus Jager, P. Lowes, A. P. Naber, A. Rook, R. Schuurhof, and A. C. Brinkman "Performance of the large-area position-sensitive x-ray detector of the SAX wide-field camera", Proc. SPIE 2517, X-Ray and EUV/FUV Spectroscopy and Polarimetry, (16 October 1995); https://doi.org/10.1117/12.224916

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