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作 者:Yingrun Fan Jinlong Xiao Zhengzheng Shen Youzeng Hao Jiachen Liu Ke Yang Yuede Yang Yongzhen Huang 樊碤润;肖金龙;沈征征;郝友增;刘家辰;杨珂;杨跃德;黄永箴(School of Microelectronics,University of Chinese Academy of Sciences,Bejing 100049,China;State Key Laboratory of Integrated Optoelectronics,Institute of Semiconductors,Chinese Academy of Sciences,Bejing 100083,China;Center of Materials Science and Optoelectronics Engineering,University of Chinese Academy of Sciences,Bejjing 100049,China)
机构地区:[1]School of Microelectronics,University of Chinese Academy of Sciences,Bejing 100049,China [2]State Key Laboratory of Integrated Optoelectronics,Institute of Semiconductors,Chinese Academy of Sciences,Bejing 100083,China [3]Center of Materials Science and Optoelectronics Engineering,University of Chinese Academy of Sciences,Bejjing 100049,China
出 处:《Chinese Optics Letters》2022年第6期30-34,共5页中国光学快报(英文版)
基 金:supported by the National Key R&D Program of China(No.2017YFB0405301)。
摘 要:We report a 1.65μm square-Fabry–Pérot[FP]coupled cavity semiconductor laser for methane gas detection.The laser output optical power can reach 7.4 m W with the side mode suppression ratio about 40 d B.The wavelength tuning range is 2 nm by adjusting the FP cavity injection current,covering the methane absorption line at 1653.72 nm.The lasing wavelength can also be tuned by adjusting the square microcavity injection current or temperature,respectively.Methane gas detection is successfully demonstrated utilizing this laser.
关 键 词:coupled cavity lasers tunable lasers tunable diode laser absorption spectroscopy methane gas detection
分 类 号:TQ221.11[化学工程—有机化工] TN248.4[电子电信—物理电子学]
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