Multimode reverse-symmetry waveguide sensor for broad-range refractometry

被引：23

作者：

Skivesen, N ^{[1
]}

Horvath, R ^{[1
]}

Pedersen, HC ^{[1
]}

机构：

[1] Riso Natl Lab, Opt & Fluid Dynam Dept, DK-4000 Roskilde, Denmark

来源：

OPTICS LETTERS | 2003年 / 28卷 / 24期

关键词：

D O I：

10.1364/OL.28.002473

中图分类号：

O43 [光学];

学科分类号：

070207 [光学]; 0803 [光学工程];

摘要：

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-mum-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. (C) 2003 Optical Society of America.

引用

页码：2473 / 2475

页数：3

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