High-pressure xenon electroluminescence detectors

Alexander I. Bolozdynya; Robert A. Austin

doi:10.1117/12.564633

21 October 2004 High-pressure xenon electroluminescence detectors

Alexander I. Bolozdynya, Robert A. Austin

Proceedings Volume 5540, Hard X-Ray and Gamma-Ray Detector Physics VI; (2004) https://doi.org/10.1117/12.564633
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

We have investigated electroluminescence (EL) detectors with uniform and axial electric field configurations, filled with xenon gas pressurized up to 35 bar. Photomultipliers placed outside pressurized vessels and avalanche photodiodes placed directly inside the pressurized xenon have been used to detect scintillation and electroluminescence signals. A light-collection system based on a cylindrical array of wavelength shifting fibers has been used to collect light in the detector with axial electric field. The EL detectors with photomultiplier readout have demonstrated exceptionally low sensitivity to vibrations. An energy resolution of 10%FWHM was measured for 60 keV gamma rays. The results are discussed and measures that will be undertaken to improve performance of the detectors are considered.

Citation Download Citation

Alexander I. Bolozdynya and Robert A. Austin "High-pressure xenon electroluminescence detectors", Proc. SPIE 5540, Hard X-Ray and Gamma-Ray Detector Physics VI, (21 October 2004); https://doi.org/10.1117/12.564633

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