Titanium-based optical transition edge sensors under the ion irradiation

P. Z. Li; W. Zhang; Y. Geng; J. Q. Zhong; Z. Wang; K. Zhang; S. C. Shi

doi:10.1117/12.2575178

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10 October 2020 Titanium-based optical transition edge sensors under the ion irradiation

P. Z. Li, W. Zhang, Y. Geng, J. Q. Zhong, Z. Wang, K. Zhang, S. C. Shi

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Proceedings Volume 11554, Advanced Sensor Systems and Applications X; 115540X (2020) https://doi.org/10.1117/12.2575178
Event: SPIE/COS Photonics Asia, 2020, Online Only

Abstract

Transition edge sensors (TES) are highly sensitive detectors and have been widely used at different wavelengths from millimeter to X-ray astronomy. Especially at optical/near infrared wavelengths TES exhibits photon-number resolving capability because of its high energy resolution, which also makes it attractive in quantum information. In order to verify the possibility of space applications, we study the effect of ion irradiation on the performance of titanium-based optical TESs including normal-state resistance (RN), critical temperature (TC), thermal conductance (G), effective response time, detection efficiency, and energy resolution by measuring the DC and optical characteristics. The optical TESs survive in the ion irradiation and their parameters keep almost the same as before ion irradiation, which makes it possible for future space applications.

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P. Z. Li, W. Zhang, Y. Geng, J. Q. Zhong, Z. Wang, K. Zhang, and S. C. Shi "Titanium-based optical transition edge sensors under the ion irradiation", Proc. SPIE 11554, Advanced Sensor Systems and Applications X, 115540X (10 October 2020); https://doi.org/10.1117/12.2575178

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