Characterization of Supported Cylinder—Planar Germanium Waveguide Sensors with Synchrotron Infrared Radiation

Cylinder–planar Ge waveguides are being developed as evanescent-wave sensors for chemical microanalysis. The only non-planar surface is a cylinder section having a 300-mm radius of curvature. This confers a symmetric taper, allowing for direct coupling into and out of the waveguide's 1-mm2 end...

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Bibliographic Details
Published in:Applied spectroscopy 2004-02, Vol.58 (2), p.143-151
Main Authors: Vongsvivut, Jitraporn, Fernandez, Jason, Ekgasit, Sanong, Braiman, Mark S.
Format: Article
Language:English
Subjects:
Biosensing Techniques
Equipment Design
Germanium
Infrared Rays
Microchemistry - methods
Spectroscopy, Fourier Transform Infrared - instrumentation
Spectroscopy, Fourier Transform Infrared - methods
Synchrotrons
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Summary:Cylinder–planar Ge waveguides are being developed as evanescent-wave sensors for chemical microanalysis. The only non-planar surface is a cylinder section having a 300-mm radius of curvature. This confers a symmetric taper, allowing for direct coupling into and out of the waveguide's 1-mm2 end faces while obtaining multiple reflections at the central
ISSN:0003-7028
1943-3530
DOI:10.1366/000370204322842869