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Proceedings Paper

Optical waveguide oscillating field sensor
Author(s): Zhuangqi Cao
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Paper Abstract

Based on ultrahigh-order modes in symmetric metal-cladding waveguide with millimeter scale, a new oscillating wave sensor is investigated to measure minute changes in various parameters of aqueous solution. In the proposed geometry, the sample acts as the guiding layer where oscillating waves propagate. Owing to the concentrated power in the sensing region and the use of the very sensitive ultrahigh-order modes and the unusual large Goos-Hänchen shift, it is demonstrated both theoretically and experimentally that its sensitivity is enhanced by one order of magnitude than that of evanescent wave sensor.

Paper Details

Date Published: 15 November 2010
PDF: 10 pages
Proc. SPIE 7847, Optoelectronic Devices and Integration III, 78470W (15 November 2010); doi: 10.1117/12.870926
Show Author Affiliations
Zhuangqi Cao, Shanghai Jiao Tong Univ. (China)

Published in SPIE Proceedings Vol. 7847:
Optoelectronic Devices and Integration III
Xuping Zhang; Hai Ming; Alan Xiaolong Wang, Editor(s)

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