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In-situ Tapering of Chalcogenide Fiber for Mid-infrared Supercontinuum Generation

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Transient radiation-induced effects on solid core microstructured optical fibers.

S Girard¹, Y Ouerdane, M Bouazaoui

¹CEA, DAM, DIF, F91297 Arpajon, France. sylvain.girard@cea.fr

|November 24, 2011

Summary

This summary is machine-generated.

Microstructured optical fibers (MOFs) show good radiation tolerance, with sensitivity primarily determined by glass composition, not structure. These pure-silica or fluorine-doped MOFs are promising for harsh environments.

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Area of Science:

Materials Science
Optical Engineering
Radiation Physics

Background:

Microstructured optical fibers (MOFs) offer unique properties but their performance in radiation environments is crucial.
Understanding radiation-induced effects is vital for deploying optical fibers in harsh conditions.

Purpose of the Study:

To characterize transient radiation-induced effects on solid core MOFs.
To compare the radiation tolerance of pure-silica and fluorine-doped MOFs with conventional optical fibers.
To investigate the influence of MOF structure versus glass composition on radiation sensitivity.

Main Methods:

Characterization of radiation-induced attenuation (RIA) kinetics and levels in the visible and near-infrared spectrum (600 nm-2000 nm).
Pulsed X-ray radiation sensitivity testing of two MOF types (pure-silica and Fluorine-doped silica cores).
Comparison of MOF radiation sensitivities against conventional pure-silica, Phosphorus-doped, and Germanium-doped silica fibers.

Main Results:

Both pure-silica and Fluorine-doped MOFs exhibited good radiation tolerance.
MOF radiation sensitivity was mainly governed by glass composition, with structure playing a minor role.
Transient behavior was attributed to self-trapped holes, consistent with findings in conventional doped silica fibers.

Conclusions:

Pure-silica and Fluorine-doped MOFs demonstrate significant radiation tolerance.
MOFs are suitable for applications in harsh environments due to their radiation resistance.
Glass composition is the dominant factor in MOF radiation sensitivity, not their unique structure.