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Proceedings Paper

Optical fibers for 355nm pulsed lasers and high-power broadband light sources
Author(s): Jan Heimann; Karl-Friedrich Klein; Cornell P. Gonschior; Moritz Klein; Georg Hillrichs
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Paper Abstract

In the past, the spectral stability of multimode UV-fibers has been mainly characterized using deuterium lamps with a broadband spectrum in the DUV. In meantime, new UV light-sources with higher powers are available. For example, improved pulsed Nd:YAG lasers with higher harmonics or high-power broadband plasma lamps are interesting candidates for new systems and applications. Because of better beam quality, multimode all-silica fibers with core diameter smaller than 100 μm can be recommended. A new step-index fiber with a large cladding-to-core ratio will be introduced. Using the new light-sources, the degradation during UV-light delivery will be described in detail, comparing the hydrogen-loaded and non-loaded version of this fiber. These results of UV-induced damage will be compared to a commercially available improved 100 μm UV-fiber damaged with deuterium lamp.

Paper Details

Date Published: 20 March 2013
PDF: 9 pages
Proc. SPIE 8576, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XIII, 85760K (20 March 2013); doi: 10.1117/12.2005146
Show Author Affiliations
Jan Heimann, Technische Hochschule Mittelhessen (Germany)
Karl-Friedrich Klein, Technische Hochschule Mittelhessen (Germany)
TransMIT GmbH (Germany)
Cornell P. Gonschior, Technische Hochschule Mittelhessen (Germany)
TransMIT GmbH (Germany)
Moritz Klein, TransMIT GmbH (Germany)
Georg Hillrichs, Hochschule Merseburg (Germany)


Published in SPIE Proceedings Vol. 8576:
Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XIII
Israel Gannot, Editor(s)

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