Inverted Rib Waveguides - Theoretical Analysis of Sensing Properties

• Authors: C. Tyszkiewicz
• Languages of publication: EN

Abstracts

EN

Optical waveguides are fundamental components of chemical and biochemical evanescent wave sensors. Presented work is devoted to theoretical investigations of homogeneous and surface sensitivity characteristics of the inverted rib waveguide structure. The inverted rib waveguide discussed in this paper is composed of an ion-exchange based channel waveguide formed in a glassy substrate and a uniform, high refractive index, sol-gel derived SiO_2-TiO_2 film. Characteristics of a homogeneous sensitivity, a surface sensitivity and fundamental modes sensitivity differences in function of a uniform film thickness and a maximal refractive index contrast of the gradient index channel waveguide are given. The influence of the SiO_2-TiO_2 film thickness on sensitivity characteristics is discussed. The analysis is carried out on a bases off the effective index method used with the transfer matrix method.

Keywords

EN

42.79.Gn; 07.07.Df

Discipline

• 42.79.Gn: Optical waveguides and couplers(for fiber waveguides and waveguides in integrated optics, see 42.81.Qb and 42.82.Et, respectively)
• 07.07.Df: Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing

• Journal: Acta Physica Polonica A
• Year: 2013
• Volume: 124
• Issue: 3
• Pages: 582-585

Dates

published

2013-09

Contributors

author

C. Tyszkiewicz

• Department of Optoelectronics, Silesian University of Technology, Akademicka 2, 44-100 Gliwice, Poland

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Identifiers

DOI

10.12693/APhysPolA.124.582