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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 28, Iss. 11 — Jun. 1, 1989
  • pp: 2022–2025

Porous plastic optical fiber sensor for ammonia measurement

Quan Zhou, David Kritz, Laura Bonnell, and George H. Sigel, Jr.  »View Author Affiliations


Applied Optics, Vol. 28, Issue 11, pp. 2022-2025 (1989)
http://dx.doi.org/10.1364/AO.28.002022


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Abstract

A porous plastic optical fiber has been developed for use in chemical gas sensing. This porous plastic waveguide, which was made with copolymer materials, has an interconnective porous structure as well as uniformity of pore size. These sensors are based on in-line optical absorption within the porous plastic fiber core and have much greater sensitivities than sensors based on evanescent coupling to a surrounding medium. Furthermore, this fiber simultaneously exhibits very high gas permeability and liquid impermeability. This combination makes the fiber particularly suitable for gas concentration measurements in aqueous samples. An ammonia gas sensor has been tested to demonstrate the effectiveness of this porous plastic waveguide.

© 1989 Optical Society of America

History
Original Manuscript: October 10, 1988
Published: June 1, 1989

Citation
Quan Zhou, David Kritz, Laura Bonnell, and George H. Sigel, "Porous plastic optical fiber sensor for ammonia measurement," Appl. Opt. 28, 2022-2025 (1989)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-28-11-2022

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