论文标题

使用大面积硅光电塑料的高敏性低噪声光电探测器

High-sensitivity low-noise photodetector using large-area silicon photomultiplier

论文作者

Masuda, Takahiko, Hiramoto, Ayami, Ang, Daniel G., Meisenhelder, Cole, Panda, Cristian D., Sasao, Noboru, Uetake, Satoshi, Wu, Xing, DeMille, David P., Doyle, John M., Gabrielse, Gerald, Yoshimura, Koji

论文摘要

与常规的光电倍增管(PMT)相比,由于其更好的光子检测效率(PMT),硅光电倍增体(SIPM)技术在单个光子水平上的弱光检测中的应用已扩大。具有较大检测区域的SIPM最近已成为商业上可用的,这使得光子通量在暂时和空间上都低的应用。另一方面,在sipms的使用中存在几个缺点,例如较高的黑暗计数率,许多读出通道,缓慢的响应时间和光学串扰。因此,用户需要仔细考虑权衡。这项工作提出了一个由SIPM填充的紧凑型大面积光子检测模块。采用了各种技术来克服SIPM的缺点,以便通常可以将其用作PMT的升级。采用了一种简单的冷却部分和最近开发的光学串扰抑制方法,以减少对大区域sipms更严重的噪声。专用的读数电路增加了响应频率并减少了读数通道的数量。我们有利地将这种设计与常规PMT进行比较,并获得较高的光子检测效率和更大的面积接受度。

The application of silicon photomultiplier (SiPM) technology for weak-light detection at a single photon level has expanded thanks to its better photon detection efficiency in comparison to a conventional photomultiplier tube (PMT). SiPMs with large detection area have recently become commercially available, enabling applications where the photon flux is low both temporarily and spatially. On the other hand, several drawbacks exist in the usage of SiPMs such as a higher dark count rate, many readout channels, slow response time, and optical crosstalk; therefore, users need to carefully consider the trade-offs. This work presents a SiPM-embedded compact large-area photon detection module. Various techniques are adopted to overcome the disadvantages of SiPMs so that it can be generally utilized as an upgrade from a PMT. A simple cooling component and recently developed optical crosstalk suppression method are adopted to reduce the noise which is more serious for larger-area SiPMs. A dedicated readout circuit increases the response frequency and reduces the number of readout channels. We favorably compare this design with a conventional PMT and obtain both higher photon detection efficiency and larger-area acceptance.

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