Near-Infrared Absorption Fiber-Optic Sensors for Ultra-Sensitive CO2 Detection

被引：1

作者：

Chong, Xinyuan ^{[1
]}

Kim, Ki-Joong ^{[2
]}

Ohodnicki, Paul R. ^{[3
]}

Chang, Chih-Hung ^{[2
]}

Wang, Alan X. ^{[1
]}

机构：

[1] Oregon State Univ, Sch Elect Engn & Comp Sci, Corvallis, OR 97331 USA

[2] Oregon State Univ, Sch Chem Biol & Environm Engn, Corvallis, OR 97331 USA

[3] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA

来源：

FIBER OPTIC SENSORS AND APPLICATIONS XII | 2015年 / 9480卷

关键词：

Gas Sensor; Near-Infrared Absorption; Fiber-Optic Sensor; Metal-Organic Framework; METAL-ORGANIC FRAMEWORKS; CARBON-DIOXIDE; HYDROGEN STORAGE; OPTIC SENSORS; GAS; SEPARATION;

D O I：

10.1117/12.2178072

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We present a fiber-optic sensor working at near-infrared (NIR) wavelength (similar to 1.57 mu m) for CO2 detection. In order to increase the NIR absorption, we utilize functional sensor materials metal-organic framework (MOF) on the surface of the core of a multimode-fiber with the cladding layer etched away. The selected functional materials demonstrated excellent adsorption capacity of CO2 and significantly increased the detection sensitivity down to 500 ppm with only 8-centimeter absorption length.

引用

页数：7

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