Development of high performance Avalanche Photodiodes and dedicated analog systems for HXI/SGD detectors onboard the Astro-H mission

T. Saito, T. Nakamori, M. Yoshino, H. Mizoma, Jun Kataoka, K. Kawakami, Y. Yatsu, M. Ohno, K. Goto, Y. Hanabata, H. Takahashi, Y. Fukazawa, M. Sasano, S. Torii, H. Uchiyama, K. Nakazawa, K. Makishima, S. Watanabe, M. Kokubun, T. Takahashi & 2 others K. Mori, H. Tajima

    Research output: Contribution to journalArticle

    9 Citations (Scopus)

    Abstract

    Hard X-ray Imager and Soft Gamma-ray Detector are being developed as onboard instruments for the Astro-H mission, which is scheduled for launch in 2014. In both detectors, BGO scintillators play key roles in achieving high sensitivity in low Earth orbit (LEO), by generating active veto signals to reject cosmic-ray events and gamma-ray backgrounds from radio-activated detector materials. In order to maximize background rejection power, it is also important to minimize the energy threshold of this shield. As a readout sensor of weak scintillation light from a number of BGO crystals in a complicated detector system, high performance, reverse-type Avalanche Photodiodes (APDs), with an effective area of 10×10mm2 are being employed, instead of bulky photomultiplier tubes (PMTs).Another advantage of using APDs is their low power consumption, although the relatively low gain of APDs (compared to conventional PMTs) requires dedicated analog circuits for noise suppression. In this paper, we report on the development and performance of APD detectors specifically designed for the Astro-H mission. In addition to APD performance, various environmental tests, including radiation hardness and qualification thermal cycling, will be described in detail. Moreover, a dedicated charge sensitive amplifier and analog filters are newly developed and tested here to optimize the performance of APDs to activate fast veto signals within a few μs from the BGO trigger. We will also report on overall performance testing of a prototype BGO detector system that mimics the data acquisition system onboard Astro-H.

    Original languageEnglish
    Pages (from-to)230-234
    Number of pages5
    JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
    Volume699
    DOIs
    Publication statusPublished - 2013 Jan 21

    Fingerprint

    Avalanche photodiodes
    avalanches
    photodiodes
    analogs
    Detectors
    detectors
    Photomultipliers
    photomultiplier tubes
    Gamma rays
    gamma rays
    environmental tests
    analog circuits
    Cosmic rays
    Analog circuits
    qualifications
    low Earth orbits
    Scintillation
    Thermal cycling
    Image sensors
    rejection

    Keywords

    • Avalanche Photodiode
    • Gamma-rays
    • Scintillation detection

    ASJC Scopus subject areas

    • Instrumentation
    • Nuclear and High Energy Physics

    Cite this

    Development of high performance Avalanche Photodiodes and dedicated analog systems for HXI/SGD detectors onboard the Astro-H mission. / Saito, T.; Nakamori, T.; Yoshino, M.; Mizoma, H.; Kataoka, Jun; Kawakami, K.; Yatsu, Y.; Ohno, M.; Goto, K.; Hanabata, Y.; Takahashi, H.; Fukazawa, Y.; Sasano, M.; Torii, S.; Uchiyama, H.; Nakazawa, K.; Makishima, K.; Watanabe, S.; Kokubun, M.; Takahashi, T.; Mori, K.; Tajima, H.

    In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 699, 21.01.2013, p. 230-234.

    Research output: Contribution to journalArticle

    Saito, T, Nakamori, T, Yoshino, M, Mizoma, H, Kataoka, J, Kawakami, K, Yatsu, Y, Ohno, M, Goto, K, Hanabata, Y, Takahashi, H, Fukazawa, Y, Sasano, M, Torii, S, Uchiyama, H, Nakazawa, K, Makishima, K, Watanabe, S, Kokubun, M, Takahashi, T, Mori, K & Tajima, H 2013, 'Development of high performance Avalanche Photodiodes and dedicated analog systems for HXI/SGD detectors onboard the Astro-H mission', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 699, pp. 230-234. https://doi.org/10.1016/j.nima.2012.05.061
    Saito, T. ; Nakamori, T. ; Yoshino, M. ; Mizoma, H. ; Kataoka, Jun ; Kawakami, K. ; Yatsu, Y. ; Ohno, M. ; Goto, K. ; Hanabata, Y. ; Takahashi, H. ; Fukazawa, Y. ; Sasano, M. ; Torii, S. ; Uchiyama, H. ; Nakazawa, K. ; Makishima, K. ; Watanabe, S. ; Kokubun, M. ; Takahashi, T. ; Mori, K. ; Tajima, H. / Development of high performance Avalanche Photodiodes and dedicated analog systems for HXI/SGD detectors onboard the Astro-H mission. In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2013 ; Vol. 699. pp. 230-234.
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    AU - Kawakami, K.

    AU - Yatsu, Y.

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