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Proceedings Paper

Integrated Optical Humidity And Gas Sensors
Author(s): K. Tiefenthaler; W. Lukosz
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Paper 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.

Paper Details

Date Published: 12 November 1984
PDF: 4 pages
Proc. SPIE 0514, 2nd Intl Conf on Optical Fiber Sensors: OFS'84, (12 November 1984); doi: 10.1117/12.945085
Show Author Affiliations
K. Tiefenthaler, Swiss Federal Institute of Technology (Switzerland)
W. Lukosz, Swiss Federal Institute of Technology (Switzerland)


Published in SPIE Proceedings Vol. 0514:
2nd Intl Conf on Optical Fiber Sensors: OFS'84
Ralf Th. Kersten; Rainer Kist, Editor(s)

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