A high-rate gaseous area detector for x-ray diffraction applications

David M Khazins; Bruce L Becker; Bob B He; Yacouba Diawara; Roger D Durst; Sergei A Medved; Vlad Sedov; Tim A Thorson

doi:10.1117/12.505184

28 January 2004 A high-rate gaseous area detector for x-ray diffraction applications

David M Khazins, Bruce L Becker, Bob B He, Yacouba Diawara, Roger D Durst, Sergei A Medved, Vlad Sedov, Tim A Thorson

Proceedings Volume 5194, Fourth-Generation X-Ray Sources and Ultrafast X-Ray Detectors; (2004) https://doi.org/10.1117/12.505184
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

A new photon-counting area detector, based on parallel-plate gas amplification with a resistive anode and remote readout electrode is described. The detector is sealed and has sensitive area of 14x14 cm². The detector is unique in its ability to achieve high gain at high counting rates. A local counting rate >10e⁵ counts/mm2-sec has been achieved at a gain of 10⁵ in a radiation-hard, non-polymerizing gas mixture. The global readout rate is limited by the delay line and electronics to <10⁶ counts/sec but more sophisticated readout schemes should allow this rate to be increased by more than an order of magnitude. The operating characteristics of the detector are described and preliminary x-ray diffraction data are presented.

Citation Download Citation

David M Khazins, Bruce L Becker, Bob B He, Yacouba Diawara, Roger D Durst, Sergei A Medved, Vlad Sedov, and Tim A Thorson "A high-rate gaseous area detector for x-ray diffraction applications", Proc. SPIE 5194, Fourth-Generation X-Ray Sources and Ultrafast X-Ray Detectors, (28 January 2004); https://doi.org/10.1117/12.505184

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