14 November 2016 Thermal sensing performance of the nested fiber ring resonator
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Abstract
We compare the temperature sensitivity between the nested fiber ring resonator (NFRR) and the nested fiber ring resonator coupled Mach-Zehnder interferometer (NFRRCMZI). Theoretical results indicate that the temperature sensitivity of the NFRR is almost twelve times higher than that of NFRRCMZI with same parameters, hence complex MZI system can be removed and the whole sensing system will be more compatible without sacrificing the sensitivity. Taking feedback waveguide part as the sensing element in NFRR structure, the limitation of optical quality factor on sensitivity will be broken and arbitrary sensitivity can be acquired by easily setting different feedback waveguide length.
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Changqiu Yu, Yundong Zhang, Yongfeng Wu, Hui Li, Tuo Zhang, Ping Yuan, "Thermal sensing performance of the nested fiber ring resonator", Proc. SPIE 10025, Advanced Sensor Systems and Applications VII, 1002509 (14 November 2016); doi: 10.1117/12.2245024; https://doi.org/10.1117/12.2245024
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