Metal-organic framework thin films on a surface of optical fibre long period grating for chemical sensing
Date
2017-04-23
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SPIE
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Conference paper
ISSN
0277-786X
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Free to read from
Citation
J. Hromadka; B. Tokay; S. James; S. Korposh. Metal-organic framework thin films on a surface of optical fibre long period grating for chemical sensing. 25th International Conference on Optical Fiber Sensors, OFS 2017; 24-28 April 2017, Jeju; South Korea. Paper number: 103234C
Abstract
An optical fibre long period grating (LPG) modified with a thin film of HKUST-1, a material from metal organic framework (MOF) family, was employed for the detection of carbon dioxide. The sensing mechanism is based on the measurement of the change of the refractive index (RI) of the coating that is induced by the penetration of CO2 molecules into the HKUST-1 pores. The responses of the resonance bands in the transmission spectrum of an LPG modified with 40 layers of HKUST-1 upon exposure to carbon dioxide in mixture with nitrogen were investigated.
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This paper was published in 25th International Conference on Optical Fiber Sensors and is made available with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.