利用多像素光子计数器的光学串话效应提高光子探测效率

刘丽娜; 张国青

doi:10.3788/CO.20150802.0205

Volume 8 Issue 2

Apr. 2015

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Chinese Optics > 2015 > 8(2): 205-210.

LIU Li-na, ZHANG Guo-qing. Increasing the photon detection efficiency by the optical crosstalk effect of multi-pixel photon counter[J]. Chinese Optics, 2015, 8(2): 205-210. doi: 10.3788/CO.20150802.0205

Citation:

LIU Li-na, ZHANG Guo-qing. Increasing the photon detection efficiency by the optical crosstalk effect of multi-pixel photon counter[J]. Chinese Optics, 2015, 8(2): 205-210. doi: 10.3788/CO.20150802.0205

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Increasing the photon detection efficiency by the optical crosstalk effect of multi-pixel photon counter

doi: 10.3788/CO.20150802.0205

LIU Li-na¹,
ZHANG Guo-qing^{2
,
,}

1.
School of Science, Xi'an University of Technology, Xi'an 710048, China;
2.
School of Science, Xi'an Polytechnic University, Xi'an 710048, China

Received Date: 12 Dec 2014
Accepted Date: 13 Jan 2015
Publish Date: 25 Apr 2015

Abstract

Abstract

This paper proposes that the photon detection efficiency(PDE) of Multi-Pixel Photon Counter(MPPC) can be improved by the optical crosstalk(OC) effect when taking the output amplitude or output charge of the avalanche pulses as the parameter of photon counting through analyzing the operating principle and characteristics of the MPPC. The influence of the optical crosstalk effect on the photon detection efficiency is analyzed. The theoretical results show that the photon detection efficiency increases significantly by the optical crosstalk effect of the MPPC under these photon counting modes. According to the results calculated by our model, the equivalent photon detection efficiency taking the OC effect into account is increased by about 50%,(i.e.:reaching 45%), if the total avalanche pixel number of MPPC is 1 600, the photon detection efficiency regardless of the OC effect is 30%, the OC probability is 50% and the mean photon number is 10 per light pulse. This result is significant in the application of low light level detection such as astrophysics, particle physics, and fluorescence spectroscopy.
- detector,
- multi-pixel photon counter,
- silicon photomultiplier,
- photon detection efficiency,
- optical crosstalk effect

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References(13)

References

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