Abstract
The charge linearity of a photomultiplier reflects the difference between the number of photoelectrons in the anode output signal and the number of photoelectrons in the cathode. In this study, the nonlinearity of the photomultiplier tube output range from tens of photoelectrons to hundreds of photoelectrons was measured using a continuous Optical attenuator, and compared with the test scheme of alternating light emission of dual LED light sources. The results showed that the maxi-mum nonlinearity measured by the optical attenuation method increased from 102.62 to 104.55%, and the correctness of the optical attenuation method was verified through numerical methods.
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Funding
R&D Program of Beijing Municipal Education Commission (KM201710009006); Natural Science Foundation of Tibet Autonomous Region (XZ202101ZR0121G); Central Government Funds for Local Scientic and Technological Development (XZ202201YD0026C); National Natural Science Foundation of China (22375095).
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Yin, S., Lin, Q. & Li, Y. Study on linearity of photomultiplier tubes by accurately controlling the incident light intensity. Opt Quant Electron 56, 310 (2024). https://doi.org/10.1007/s11082-023-05825-2
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DOI: https://doi.org/10.1007/s11082-023-05825-2