Journal
CHINESE OPTICS LETTERS
Volume 18, Issue 1, Pages -Publisher
OSA-OPTICAL SOC
DOI: 10.3788/COL202018.011202
Keywords
microfiber coupler (MC); fiber loop; salinity; temperature; and depth sensing; cross sensitivity; conductivity-temperature-depth measurement system
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Funding
- National Key R&D Program of China [2017YFB0405503]
- National Natural Science Foundation of China [61805278]
- Equipment Pre-Research Field Foundation [61404140304]
- China Postdoctoral Science Foundation [2018M633704]
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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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