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Proceedings Paper

Dynamic absorption coefficient of water for high-density Er:YAG laser radiation
Author(s): Katsumasa Iwai; Masashi Endo; Kentaro Ito; Yi-Wei Shi; Yuji Matsuura; Mitsunobu Miyagi; Helena Jelinkova
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Paper Abstract

Transmission experiments of Er:YAG laser light under water were performed by a laser delivery system comprising a hollow fiber and an end sealing cap. The experiments were based on a high energy fluence which produces vapor bubbles in water. Transmission properties of Er:YAG laser light were evaluated with various laser energy and pulse-repetition rates. The results show that, at high laser fluence, the attenuation coefficient of water is very small because water on light axis is fully vaporized.

Paper Details

Date Published: 10 June 2004
PDF: 8 pages
Proc. SPIE 5317, Optical Fibers and Sensors for Medical Applications IV, (10 June 2004); doi: 10.1117/12.531793
Show Author Affiliations
Katsumasa Iwai, Tohoku Univ. (Japan)
Masashi Endo, Tohoku Univ. (Japan)
Kentaro Ito, Tohoku Univ. (Japan)
Yi-Wei Shi, Tohoku Univ. (Japan)
Yuji Matsuura, Tohoku Univ. (Japan)
Mitsunobu Miyagi, Tohoku Univ. (Japan)
Helena Jelinkova, Czech Technical Univ. (Czech Republic)

Published in SPIE Proceedings Vol. 5317:
Optical Fibers and Sensors for Medical Applications IV
Israel Gannot, Editor(s)

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