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双碱光阴极PMT对红外光的响应特性

Translated title of the contribution: The response characteristics of bi-alkali photocathode PMT to infrared light
  • Shiyu Yin
  • , Lishuang Ma
  • , Sen Qian*
  • , Feng Gao
  • , Yao Zhu
  • , Zhigang Wang
  • , Zhe Ning
  • , Zhile Wang
  • , Pengyu Chen
  • , Binhuan Yuan
  • *Corresponding author for this work
  • North China University of Technology
  • CAS - Institute of High Energy Physics
  • State Key Laboratory of Particle Detection and Electronics
  • University of Chinese Academy of Sciences
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Background: The spectral response range of the bi-alkali photocathode photomultiplier tube (PMT) is 300 nm to 700 nm. So infrared light is often used as a background light of PMTs during producing or testing. However, the PMT had a red storm, when use the infrared light emitting diode (LED) for its calibration. Purpose: This paper aims to prove that the PMT itself is really responsive to infrared light, rather than the presence of stray light in the LED. Methods: The infrared light was used to interfere the single-photon state of bi-alkali photocathode PMTs. Results: When the power of the infrared laser tube is up to mW, the single photon state of PMTs changed. Conclusion: It is proved that the bi-alkali photocathode PMTs does respond to the infrared light.

Translated title of the contributionThe response characteristics of bi-alkali photocathode PMT to infrared light
Original languageChinese (Traditional)
Article number010401
JournalHe Jishu/Nuclear Techniques
Volume41
Issue number1
DOIs
StatePublished - 10 Jan 2018

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