Abstract
Photomultiplier tubes are widely used in physics experiment, industrial production, medical equipment and other fields. The performance of the photocathode is very important for the large area PMT. A platform for the photocathode studying has been built in our lab. These performance parameters such as quantum efficiency at specific wavelength, QE spectral response from 200 nm to 1000 nm and photocathode uniformity could be measured in this platform. For the different size and shape of the large area photocathode, four types of photocathode uniformity scanning system were setup, one for 2 in. plant PMTs, another for 8 in. PMTs, and two for the spherical surface 20 in. PMTs to test the uniformity of the whole photocathode.
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Acknowledgements
The MCP-PMT development project has been partially supported by the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDA10010400) and the National Natural Science Foundation of China (Grant Nos. 11175198, 11475209, 11675205 and 11675196).
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Gao, F. et al. (2018). The Large PMT Quantum Efficiency Test Platform. In: Liu, ZA. (eds) Proceedings of International Conference on Technology and Instrumentation in Particle Physics 2017. TIPP 2017. Springer Proceedings in Physics, vol 213. Springer, Singapore. https://doi.org/10.1007/978-981-13-1316-5_57
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DOI: https://doi.org/10.1007/978-981-13-1316-5_57
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