Relative humidity optical fiber sensors

Haibin Ni; Ming Wang; Wei Chen

doi:10.1117/12.2059582

2 June 2014 Relative humidity optical fiber sensors

Haibin Ni, Ming Wang, Wei Chen

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91578D (2014) https://doi.org/10.1117/12.2059582
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

A kind of relative humidity sensors is presented. The sensors consist of a layer of three dimensional periodic films and an optical fiber bundle. The three dimensional periodic films which are polystyrene opal films, silica inverse opal films and composite photonic crystal films were self-assembled on end facet of the optical fiber bundle end facet. Principle of the sensor is that optical reflection peak of the three dimensional periodic films is sensitive to relative humidity, and optical reflection spectra of the films can be measured from the other end of the fiber bundle.

Citation Download Citation

Haibin Ni, Ming Wang, and Wei Chen "Relative humidity optical fiber sensors", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91578D (2 June 2014); https://doi.org/10.1117/12.2059582

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