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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 28, Iss. 24 — Dec. 15, 2003
  • pp: 2473–2475

Multimode reverse-symmetry waveguide sensor for broad-range refractometry

Nina Skivesen, Robert Horvath, and Henrik C. Pedersen  »View Author Affiliations


Optics Letters, Vol. 28, Issue 24, pp. 2473-2475 (2003)
http://dx.doi.org/10.1364/OL.28.002473


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Abstract

A sensor design that uses a grating-coupled multimode planar optical waveguide for absolute detection of the refractive indices of liquids or gases is presented. The waveguide consists of a simple 50-µm -thick, free-standing glass plate with air beneath it and the sample to be analyzed on top of it. This design offers a simple alternative to the well-known monomode waveguides, and, owing to its so-called reverse-symmetry configuration, a large detection range can be obtained.

© 2003 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(220.4830) Optical design and fabrication : Systems design
(230.7390) Optical devices : Waveguides, planar

Citation
Nina Skivesen, Robert Horvath, and Henrik C. Pedersen, "Multimode reverse-symmetry waveguide sensor for broad-range refractometry," Opt. Lett. 28, 2473-2475 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-24-2473

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