Metal-organic framework thin films on a surface of optical fibre long period grating for chemical sensing

J. Hromadka; B. Tokay; S. James; S. Korposh

doi:10.1117/12.2265589

23 April 2017 Metal-organic framework thin films on a surface of optical fibre long period grating for chemical sensing

J. Hromadka, B. Tokay, S. James, S. Korposh

Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103234C (2017) https://doi.org/10.1117/12.2265589
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of

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.

Citation Download Citation

J. Hromadka, B. Tokay, S. James, and S. Korposh "Metal-organic framework thin films on a surface of optical fibre long period grating for chemical sensing", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103234C (23 April 2017); https://doi.org/10.1117/12.2265589

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