Integrated Optical Humidity And Gas Sensors

K. Tiefenthaler; W. Lukosz

doi:10.1117/12.945085

12 November 1984 Integrated Optical Humidity And Gas Sensors

K. Tiefenthaler, W. Lukosz

Proceedings Volume 0514, 2nd Intl Conf on Optical Fiber Sensors: OFS'84; (1984) https://doi.org/10.1117/12.945085
Event: 2nd International Conference on Optical Fiber Sensors, 1984, Stuttgart, Germany

Abstract

Input grating couplers on planar SiO2-TiO2 waveguides are extremely sensitive sensors for humidity and other vapours (e.g., ethanol, acetone). Adsorption and desorption increase and decrease, respectively, the effective guide index and, thus, change the incoupling efficiency.

Citation Download Citation

K. Tiefenthaler and W. Lukosz "Integrated Optical Humidity And Gas Sensors", Proc. SPIE 0514, 2nd Intl Conf on Optical Fiber Sensors: OFS'84, (12 November 1984); https://doi.org/10.1117/12.945085

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