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Conference Paper
Frontiers in Optics
Tucson, Arizona United States
October 16-21, 2005
ISBN: 1-55752-797-0
FiO/LS Poster Session II (JWA)

Fiber Optic Sensors for the pH Measurement Based on the Absorption of the Evanescent Wave

Francisco López-Huerta, Georgina Beltrán-Perez, and Rodolfo Palomino-Merino


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We present the results of the loss of absorption caused by a pH-sensitive dye onto the sides of an optical fiber. We chose suitable materials for assembling the sensor based on evanescent wave absorption.

© 2005 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(160.6060) Materials : Solgel

F. López-Huerta, G. Beltrán-Perez, and R. Palomino-Merino, "Fiber Optic Sensors for the pH Measurement Based on the Absorption of the Evanescent Wave," in Frontiers in Optics, OSA Technical Digest Series (Optical Society of America, 2005), paper JWA20.

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