天体粒子物理学应用的SiPM开发
SiPM Development for Astroparticle Physics Applications
摘要：
SiPM是一种新型的可工作在单光子计数模式的固态光电探测器。它具有量子效率高、电荷分辨率好、响应速度快、体积小、增益高达106、功耗低、抗磁场干扰、偏压低（30- 70 V）等优点。目前这种器件的缺点是暗电流大、微像素之间的串扰以及对UV和蓝光的相对低的灵敏度。在过去的几年里，我们已经开发出大尺寸SiPM（9 mm ^2和25 mm ^2），用于成像大气切伦科夫望远镜、MAGIC和CTA以及星载荧光望远镜EUSO。介绍了MPI和MEPhI在SiPM开发方面的现状。
英文摘要：
The SiPM is a novel solid state photodetector which can be operated in the single photon counting mode. It has excellent features, such as high quantum efficiency, good charge resolution, fast response, very compact size, high gain of 106, very low power consumption, immunity to the magnetic field and low bias voltage (30-70V). Drawbacks of this device currently are a large dark current, crosstalk between micropixels and relatively low sensitivity to UV and blue light. In the last few years, we have developed large size SiPMs (9 mm^2 and 25 mm^2) for applications in the imaging atmospheric Cherenkov telescopes, MAGIC and CTA, and in the space-borne fluorescence telescope EUSO. The current status of the SiPM development by MPI and MEPhI will be presented.
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