Chalcogens based glasses for IR fiber chemical sensors

Among chalcogens based glasses, a new composition has been studied in the system TeAsSe. This glass is interesting for its good optical properties, especially in the mid-infrared region from 2 to 18 μm. Particularly, IR optical fibers have been elaborated and optimized with the aim of using them a...

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Bibliographic Details
Published in:Solid state sciences 2001-03, Vol.3 (3), p.279-284
Main Authors: Hocdé, Sandrine, Boussard-Plédel, Catherine, Fonteneau, Gilles, Lucas, Jacques
Format: Article
Language:English
Subjects:
Analytical chemistry
Applied sciences
Chalcogen
Chemistry
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
General equipment and techniques
General, instrumentation
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Integrated optics. Optical fibers and wave guides
IR fibers
Optical and optoelectronic circuits
Physics
Sensors (chemical, optical, electrical, movement, gas, etc.)
remote sensing
Sensors, gyros
TeAsSe
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Summary:Among chalcogens based glasses, a new composition has been studied in the system TeAsSe. This glass is interesting for its good optical properties, especially in the mid-infrared region from 2 to 18 μm. Particularly, IR optical fibers have been elaborated and optimized with the aim of using them as evanescent wave chemical sensors. For this kind of applications, a special fiber design, with a tapered zone, is required. This can be achieved by two different routes. The application to the detection of several compounds, such as ethanol, has been studied. More recently, detection experiments of biological tissues have been successfully carried out.
ISSN:1293-2558
1873-3085
DOI:10.1016/S1293-2558(00)01135-3