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One-dimensional single-photon position-sensitive silicon photomultiplier and its application in Raman spectroscopy

We present a one-dimensional (1-D) single-photon position-sensitive silicon photomultiplier (PS-SiPM) that can perform both photon number and position discriminations. The device, which features epitaxial quenching resistors and a continuous cap resistive layer for charge division, possesses two cat...

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Bibliographic Details
Published in:Optics express 2017-09, Vol.25 (19), p.22820-22828
Main Authors: Zhao, Tianqi, Peng, Yu, Miao, Quanlong, Li, Baicheng, Liang, Kun, Yang, Ru, Han, Dejun
Format: Article
Language:English
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Summary:We present a one-dimensional (1-D) single-photon position-sensitive silicon photomultiplier (PS-SiPM) that can perform both photon number and position discriminations. The device, which features epitaxial quenching resistors and a continuous cap resistive layer for charge division, possesses two cathodes on top and one anode at the bottom. The PS-SiPM shows an active size of 2.2 mm × 2.2 mm and micro avalanche photodiode cell pitch of ~10 μm. The position measurement error (PME) and position resolution of the device are analyzed. The PME with low mean photoelectron number of approximately 0.11 is 29.6 ± 27.3 μm. The single-photon position resolution is 393.4 μm. When the photoelectron number increases from 1 to 7, the position resolution is improved from 393.4 μm to 56.2 μm. The application of the PS-SiPM in Raman spectroscopy for carbon tetrachloride (CCl ) at room temperature shows advantages of both CCD (rapid measurement) and photomultiplier tube (high gain, fast photon response, and simple readout electronics). This novel device concept exhibits potential as a low-cost and high-performance detector for various laser spectroscopies.
ISSN:1094-4087
DOI:10.1364/OE.25.022820