Fluoride glass planar optical waveguides

Ionic exchange techniques have been applied to multicomponent indium-based fluoride glasses in order to develop a gradient index structure having the properties of a planar optical waveguide. Several molten salts have been tested with the aim of exchanging Na+ by Li+ or K+. When the melt is an Li+-r...

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Bibliographic Details
Published inJournal of non-crystalline solids Vol. 184; pp. 222 - 224
Main Authors Charron, Christophe, Fogret, Eric, Fonteneau, Gilles, Rimet, Roger, Lucas, Jacques
Format Journal Article Conference Proceeding
LanguageEnglish
Published Amsterdam Elsevier B.V 01.05.1995
Elsevier
Subjects
Applied sciences
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Integrated optics. Optical fibers and wave guides
Optical and optoelectronic circuits
Planar waveguide
Modal analysis
Refraction index
Optical waveguide
Fluorides
Experimental study
Propagation mode
Production process
Molten salt
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Summary:Ionic exchange techniques have been applied to multicomponent indium-based fluoride glasses in order to develop a gradient index structure having the properties of a planar optical waveguide. Several molten salts have been tested with the aim of exchanging Na+ by Li+ or K+. When the melt is an Li+-rich organic salt and when the glass sample contains about 15% Na+, the formation of a gradient index profile is characterized by ‘m-lines’ experiments. Depending on time and temperature of immersion, one, two or three modes of propagation have been detected in this new generation of waveguides. They are potential candidates for active and passive integrated optics operating in the visible and mid-infrared.
ISSN:0022-3093
1873-4812
DOI:10.1016/0022-3093(95)00007-0