Characterization of the Hamamatsu S8664 Avalanche Photodiode for X-Ray and VUV-light detection

T. Lux , E. D. C. Freitas , F. D. Amaro , O. Ballester , G. V. Jover-Manas , C. Martin , C. M. B. Monteiro , F. Sanchez

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J. Rico

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classification ⚛️ physics.ins-det

keywords avalanchedetectiondirecthamamatsuphotodiodex-raybeenbias

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We present the first operation of the Avalanche Photodiode (APD) from Hamamatsu to xenon scintillation light and to direct X-rays of 22.1 keV and 5.9 keV. A large non-linear response was observed for the direct X-ray detection. At 415 V APD bias voltage it was of about 30 % for 22.1 keV and about 45 % for 5.9 keV. The quantum efficiency for 172 nm photons has been measured to be 69 +/- 15 %.

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Characterization of the Hamamatsu S8664 Avalanche Photodiode for X-Ray and VUV-light detection

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