Low-loss Er3+-doped silicate glass microsphere laser for temperature sensing

Yaowen Yao; Qi Zhang; Yan Xie; Yong Yang; Zong Cao; Xiaobei Zhang; Tingyun Wang

doi:10.1117/12.2687148

27 November 2023 Low-loss Er³⁺-doped silicate glass microsphere laser for temperature sensing

Yaowen Yao, Qi Zhang, Yan Xie, Yong Yang, Zong Cao, Xiaobei Zhang, Tingyun Wang

Proceedings Volume 12771, Advanced Sensor Systems and Applications XIII; 127711G (2023) https://doi.org/10.1117/12.2687148
Event: SPIE/COS Photonics Asia, 2023, Beijing, China

Conference Poster

Abstract

We present a low-loss Er 3+ -doped silicate microsphere laser, exploring its temperature sensing characteristics. We measure the threshold power of the Er 3+ -doped silicate glass microsphere laser under 980 nm pumping, achieving an impressively low value of 3.14 mW. Subsequently, in order to study the effect of temperature on the laser, the microsphere laser is placed into a temperature controller, and high-temperature sensitivity of 17.56 pm/℃ is obtained in the experiment. The proposed microsphere is significant for applications in lasing and temperature sensing, offering substantial advantages in terms of lower threshold power and heightened temperature sensitivity.

Citation Download Citation

Yaowen Yao, Qi Zhang, Yan Xie, Yong Yang, Zong Cao, Xiaobei Zhang, and Tingyun Wang "Low-loss Er³⁺-doped silicate glass microsphere laser for temperature sensing", Proc. SPIE 12771, Advanced Sensor Systems and Applications XIII, 127711G (27 November 2023); https://doi.org/10.1117/12.2687148

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