Propagation losses in a potassium-ion-exchanged waveguide with a superstrate

The influence of the refractive index of a superstrate on propagation losses of an optical waveguide is measured. A 72-cm-long channel waveguide is made by potassium ion exchange in microscope slides. Propagation losses are reduced from 0.4 dB/cm with air as the superstrate to 0.28 dB/cm with a liqu...

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Bibliographic Details
Published in:Applied optics (2004) 1995-11, Vol.34 (33), p.7702-7704
Main Authors: Hellesø, O G, Benech, P, Rimet, R
Format: Article
Language:English
Online Access:Get full text
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Summary:The influence of the refractive index of a superstrate on propagation losses of an optical waveguide is measured. A 72-cm-long channel waveguide is made by potassium ion exchange in microscope slides. Propagation losses are reduced from 0.4 dB/cm with air as the superstrate to 0.28 dB/cm with a liquid superstrate of refractive index 1.46.
ISSN:1559-128X
DOI:10.1364/AO.34.007702