Micro Extrinsic Fiber-Optic Fabry-Perot Interferometric Sensor Based on Erbium- and Boron-Doped Fibers
RAO Yun-Jiang, XU Bing, RAN Zeng-Ling, GONG Yuan
Key Lab of Broadband Optical Fiber Transmission and Communication Networks Technology (Ministry of Education), University of Electronic Science and Technology of China, Chengdu 610054
Micro Extrinsic Fiber-Optic Fabry-Perot Interferometric Sensor Based on Erbium- and Boron-Doped Fibers
RAO Yun-Jiang, XU Bing, RAN Zeng-Ling, GONG Yuan
Key Lab of Broadband Optical Fiber Transmission and Communication Networks Technology (Ministry of Education), University of Electronic Science and Technology of China, Chengdu 610054
摘要Micro extrinsic Fabry-Perot interferometers (MEFPIs), with cavity lengths of up to ~ 9 μm and maximum fringe contrast of ~19 dB, are fabricated by chemically etching Er- and B-doped optical fibers and then splicing the etched fiber to a single-mode fiber, for the first time to the best of our knowledge. The strain and temperature responses of the MEFPI sensors are investigated experimentally. Good linearity and high sensitivity are achieved. Such a type of MEFPI sensor is cost-effective and suitable for mass production, indicating its great potential for a wide range of applications.
Abstract：Micro extrinsic Fabry-Perot interferometers (MEFPIs), with cavity lengths of up to ~ 9 μm and maximum fringe contrast of ~19 dB, are fabricated by chemically etching Er- and B-doped optical fibers and then splicing the etched fiber to a single-mode fiber, for the first time to the best of our knowledge. The strain and temperature responses of the MEFPI sensors are investigated experimentally. Good linearity and high sensitivity are achieved. Such a type of MEFPI sensor is cost-effective and suitable for mass production, indicating its great potential for a wide range of applications.
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2010, Vol. 27 
