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《Laser & Infrared》 2016-10
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Research on shipborne towed fiber temperature profile measurement system

ZHANG Deng-pan;FENG Pan;WANG Yong-jie;ZHANG Xu;REN Qiang;WEI Chuan-jie;School of Mechanical & Power Engineering,Henan Polytechnic University;Institute of Semiconductors,Chinese Academy of Sciences;Institute of Oceanology,Chinese Academy of Sciences;  
Aiming at the requirement of high temporal-spatial resolution and real time continuous measurement of ocean temperature profile,a new measurement system of shipborne towed and all fiber temperature chain is presented. The sensitivity and response time of FBG temperature sensor reach 28. 5 pm / ℃ and 214. 8 ms respectively through special encapsulation and calibration tests of fiber Bragg grating,which meet the test requirements of shallow surface at sea area. 200 m temperature towed array was designed and prepared,and the experiments were performed with demodulation equipment and winch system of deck units in parts of yellow sea whose depth is 70 m. The test results of temperature profile show that the temperature sensors are highly consistent with the SBE56( standard sensors produced by the United States Seabirds) and the measurement accuracy is better than 0. 1 ℃. This measurement system has high practical value.
【Fund】: 国家自然科学基金(No.41276094);; 中国科学院战略性先导科技专项A(No.XDA110-40201)资助
【CateGory Index】: TH811
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