Improved UV-fiber for 193-nm excimer laser applications

Peter Karlitzschek; Karl-Friedrich Klein; Georg Hillrichs; Ulrich Grzesik

doi:10.1117/12.237556

5 April 1996 Improved UV-fiber for 193-nm excimer laser applications

Peter Karlitzschek, Karl-Friedrich Klein, Georg Hillrichs, Ulrich Grzesik

Proceedings Volume 2677, Biomedical Fiber Optics; (1996) https://doi.org/10.1117/12.237556
Event: Photonics West '96, 1996, San Jose, CA, United States

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.

Citation Download Citation

Peter Karlitzschek, Karl-Friedrich Klein, Georg Hillrichs, and Ulrich Grzesik "Improved UV-fiber for 193-nm excimer laser applications", Proc. SPIE 2677, Biomedical Fiber Optics, (5 April 1996); https://doi.org/10.1117/12.237556

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