High sensitivity conductivity-temperature-depth sensing based on an optical microfiber coupler combined fiber loop |
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| Authors: | Liang Ca Yang Yu Min Xiao Junbo Yang Xueliang Zhang Zhou Meng |
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| Affiliation: | (College of Meteorology and Oceanology,National University of Defense Technology,Changsha 410073,China;Unit 45,No.91388 Troops of PLA,Zhanjiang 524022,China;College of Liberal Arts and Sciences,National University of Defense Technology,Changsha 410073,China;Hunan Aerospace Institute of Electromechanical Devices and Special Material,Changsha 410073,China) |
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| Abstract: | In order to meet the practical needs of all-fiber conductivity-temperature-depth sensors with high sensitivity,compact structure, and easy packaging, this Letter uses a microfiber coupler combined with fiber loop(MCFL)reflective photonic device to conduct salinity, temperature, and deep sensing experiments. These MCFLs' dynamic range and resolution of salinity, temperature, and depth can meet the requirements of actual marine environment monitoring. This structure opens up a new design idea for the practical research of microfiber coupler-based marine environmental parameter sensors. |
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