超细纤维
海水
聚二甲基硅氧烷
材料科学
涂层
波长
谐振器
结(造纸)
盐度
灵敏度(控制系统)
温盐度图
光学
大气温度范围
复合材料
光电子学
物理
热力学
电子工程
生态学
海洋学
工程类
生物
地质学
作者
Hang Yang,Shanshan Wang,Kening Mao,Guoxiang Li,Jing Wang
出处
期刊:Optics and Photonics Journal
[Scientific Research Publishing, Inc.]
日期:2014-01-01
卷期号:04 (04): 91-97
被引量:5
标识
DOI:10.4236/opj.2014.44009
摘要
A seawater temperature sensing method based on polydimethylsiloxane-coated (PDMS-coated) microfiber knot resonator (MKR) is proposed, which has the advantages of high sensitivity and weak salinity dependence. The dependences of the temperature sensitivity on fiber diameter, coating thickness and probing wavelength are theoretically investigated and the range of coating thickness for weak salinity dependence is obtained. By optimizing the parameters of the seawater temperature sensing system, when the probing wavelength is 1550 nm, the fiber diameter is 1 μm, and the coating thickness is 5 μm, the sensitivity can reach to 0.197 nm/°C. Results shown here are beneficial to find the optimal parameters for the temperature sensors with high sensitivity and weak salinity dependence.
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