光相位调制放大增强光热气体检测的灵敏度

27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI:10.1364/ofs.2022.f2.3

Yi‐feng Hong, Feifan Chen, Haihong Bao, Shou-fei Gao, H. Ho, Ying‐ying Wang, W. Jin

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引用次数: 0

摘要

我们报道了一种光相位调制放大器，用于提高光热光谱传感器的灵敏度。实现了近20倍的放大系数，可以用0.5米长的空心芯光纤检测亚ppb水平的二氧化碳。

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Sensitivity enhancement of photothermal gas detection via optical phase-modulation amplification

We report an optical phase-modulation amplifier for enhancing the sensitivity of photothermal spectroscopic sensors. An amplification factor of nearly 20 is achieved, which enables sub-ppb level carbon dioxide detection with a 0.5-m-long hollow-core fiber.

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27th International Conference on Optical Fiber Sensors

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