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Proceedings Paper

Improved UV-fiber for 193-nm excimer laser applications
Author(s): Peter Karlitzschek; Karl-Friedrich Klein; Georg Hillrichs; Ulrich Grzesik
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Paper Abstract

Excimer lasers are used for many medical applications, e.g. angioplasty and ophthalmology. In the medical field fiber delivery systems are predominantly used with XeCl-lasers (308 nm) up to now. The best suited core-material for the moment is undoped synthetic fused silica with high OH-content. At 193 nm transmission of these fibers is limited by high nonlinear absorption and color-center generation leading to increased absorption. For ArF-lasers at 193 nm wavelength new results of the nonlinear transmission properties of improved fused silica fibers are presented and discussed, taking the following parameters for medical laser-fiber- systems into account: fiber length, fiber diameter, fluence, and repetition rate. Finally the results are discussed regarding the difference in the generation of color centers.

Paper Details

Date Published: 5 April 1996
PDF: 8 pages
Proc. SPIE 2677, Biomedical Fiber Optics, (5 April 1996); doi: 10.1117/12.237556
Show Author Affiliations
Peter Karlitzschek, Laser-Lab. Goettingen eV (Germany)
Karl-Friedrich Klein, Fachhochschule Giessen-Friedberg (Germany)
Georg Hillrichs, Fachhochschule Merseburg (Germany)
Ulrich Grzesik, Heraeus Quarzglas GmbH (Germany)


Published in SPIE Proceedings Vol. 2677:
Biomedical Fiber Optics
Abraham Katzir; James A. Harrington, Editor(s)

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