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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 36 — Dec. 20, 2009
  • pp: 6928–6933

Fiber-optic dipping liquid analyzer: theoretical and experimental study of light transmission

Ai Zhou, Zhihai Liu, and Libo Yuan  »View Author Affiliations


Applied Optics, Vol. 48, Issue 36, pp. 6928-6933 (2009)
http://dx.doi.org/10.1364/AO.48.006928


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Abstract

A fiber-optic dipping liquid analyzer (FDLA) is developed for measuring liquid properties such as concentration, refractive index, surface tension, and viscosity. An important feature of the FDLA is that a liquid drop is introduced on the end face of a fiber probe, and the drop can be regarded as a planar-convex lens. The light transmitting path and receiving power are affected by the refractive index of the liquid drop. We present a theoretical and experimental analysis of the light transmission. A mathematical model of receiving power is established based on paraxial refraction imaging and fiber reflective intensity modulation methods. Sucrose-water solutions were tested with the FDLA. The experimental results agree well with the theoretical analysis.

© 2009 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: May 26, 2009
Revised Manuscript: November 12, 2009
Manuscript Accepted: November 26, 2009
Published: December 11, 2009

Citation
Ai Zhou, Zhihai Liu, and Libo Yuan, "Fiber-optic dipping liquid analyzer: theoretical and experimental study of light transmission," Appl. Opt. 48, 6928-6933 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-36-6928

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