Femtosecond laser fabricated micro Mach-Zehnder interferometer with Pd film as sensing materials for hydrogen sensing

Min Wang; Minghong Yang; Jie ChengJixiang DaiMinwei YangD. N. Wang

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Femtosecond laser fabricated micro Mach-Zehnder interferometer with Pd film as sensing materials for hydrogen sensing

机译：以Pd薄膜为传感材料的飞秒激光制造微型马赫-曾德尔干涉仪，用于氢传感

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In this paper, a femtosecond laser fabricated fiber inline micro Mach-Zehnder interferometer with deposited palladium film for hydrogen sensing is presented. Simulation results show that the transmission spectrum of the interferometer is critically dependent on the microcavity length and the refractive index of Pd film and a short microcavity length corresponds to a high sensitivity. The experimental results obtained in the wavelength region of 1200-1400 nm, and in the hydrogen concentration range of 0-16percent, agree well with that of the simulations. The developed system has high potential in hydrogen sensing with high sensitivity.

机译：本文提出了一种飞秒激光制备的带有沉积钯膜的飞秒激光制造光纤在线微型马赫-曾德尔干涉仪，用于氢气传感。仿真结果表明，干涉仪的透射光谱与微腔长度和Pd薄膜的折射率密切相关，微腔长度短对应灵敏度高。在1200-1400 nm波长区域和0-16%氢浓度范围内获得的实验结果与模拟结果吻合较好。所开发的系统在高灵敏度的氢气传感方面具有很高的潜力。

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来源
《Optics Letters》 |2012年第11期|1940-1942|共3页
作者
Min Wang; Minghong Yang; Jie ChengJixiang DaiMinwei YangD. N. Wang;
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作者单位

National Engineering Laboratory for Fiber Optic Sensing Technology, Wuhan University of Technology, 122 Luoshi Road, Wuhan, China, 430070;

Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong, China;

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正文语种英语
中图分类计量学;
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Femtosecond laser fabricated micro Mach-Zehnder interferometer with Pd film as sensing materials for hydrogen sensing

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