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Published May 24, 2021 | Submitted + Published
Journal Article Open

Suppression of the optical crosstalk in a multi-channel silicon photomultiplier array

Abstract

We propose and study a method of optical crosstalk suppression for silicon photomultipliers (SiPMs) using optical filters. We demonstrate that attaching absorptive visible bandpass filters to the SiPM can substantially reduce the optical crosstalk. Measurements suggest that the absorption of near infrared light is important to achieve this suppression. The proposed technique can be easily applied to suppress the optical crosstalk in SiPMs in cases where filtering near infrared light is compatible with the application.

Additional Information

© 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement. Received 8 Mar 2021; revised 9 May 2021; accepted 10 May 2021; published 17 May 2021. We would like to thank T. Kobayakawa for the basic characterization of the SiPM module, and C. Panda and Z. Lasner for initial considerations of using SiPMs. We also appreciate D. Lascar, Z. Han, P. Hu, S. Liu and B. Hao for helpful discussions. Funding. Okayama University (RECTOR program); Japan Society for the Promotion of Science (JP20KK0068). Data availability. Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request. The authors declare no conflicts of interest.

Attached Files

Published - oe-29-11-16914.pdf

Submitted - 2105.01519.pdf

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Created:
August 20, 2023
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October 23, 2023