Evanescent field Sensors Based on Tantalum Pentoxide Waveguides – A Review

Evanescent field sensors based on waveguide surfaces play an important rolewhere high sensitivity is required. Particularly tantalum pentoxide (Ta2O5) is a suitablematerial for thin-film waveguides due to its high refractive index and low attenuation.Many label-free biosensor systems such as grating...

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Bibliographic Details
Main Authors: Christian Hoffmann, Gerd Sulz, Kerstin Oehse, Katrin Schmitt
Format: Article
Language:English
Published: MDPI AG 2008-01-01
Series:Sensors
Subjects:
Online Access:http://www.mdpi.com/1424-8220/8/2/711/