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Fiber Laser Based Hydrophone Systems 被引量:3

Fiber Laser Based Hydrophone Systems
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摘要 We report our recent work on distributed feedback fiber laser based hydrophones. Some issues related to sensitivity, such as fiber laser phase condition, demodulation, and packaging, are also discussed. With the development of appropriate digital signal processing (DSP) techniques and packaging designs, an interferometric-type distributed feedback (DFB) fiber laser hydrophone system with acoustic sensitivity of 58.0 dB·re·uPa-Hz-0.5 at 1 kHz or a minimum detectable acoustic pressure below 800 uPa during field test is attained. We have also investigated an intensity-type DFB fiber laser hydrophone system and its performance.
出处 《Photonic Sensors》 SCIE EI CAS 2011年第3期210-221,共12页 光子传感器(英文版)
关键词 Fiber laser HYDROPHONE INTERFEROMETRIC acoustic sensitivity 光学传感器 设计 结构 自动化技术 传感器
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