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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 47, Iss. 13 — May. 1, 2008
  • pp: 2234–2240

Electro-optic sensor from high Q resonance between optical D-fiber and slab waveguide

Richard Gibson, Richard Selfridge, Stephen Schultz, Wen Wang, and Richard Forber  »View Author Affiliations

Applied Optics, Vol. 47, Issue 13, pp. 2234-2240 (2008)

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An electro-optic sensor capable of detecting electric fields with a high degree of sensitivity and linearity is fabricated using optical D-fiber. The slab coupled optical sensor utilizes weak coupling and long evanescent interaction with a lithium niobate waveguide. Transmission dips from mode resonances have a linewidth of 0.12 nm and a Q factor of 13,000 . These sharp resonances improve device sensitivity and are achieved due to the unique fabrication process possible with D-shaped fibers. The sensor deviates < 0.1 % from linearity while monitoring fields between 200 V / m and 20 kV / m and promises high sensitivity to fields well beyond that range.

© 2008 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Remote sensing and sensors

Original Manuscript: November 29, 2007
Revised Manuscript: March 3, 2008
Manuscript Accepted: March 27, 2008
Published: April 24, 2008

Richard Gibson, Richard Selfridge, Stephen Schultz, Wen Wang, and Richard Forber, "Electro-optic sensor from high Q resonance between optical D-fiber and slab waveguide," Appl. Opt. 47, 2234-2240 (2008)

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