Dynamic absorption coefficient of water for high-density Er:YAG laser radiation

被引：0

作者：

Iwai, K ^{[1
]}

Endo, M ^{[1
]}

Ito, K ^{[1
]}

Shi, YW ^{[1
]}

Matsuura, Y ^{[1
]}

Miyagi, M ^{[1
]}

Jelinkova, H ^{[1
]}

机构：

[1] Tohoku Univ, Grad Sch Engn, Aoba Ku, Sendai, Miyagi 9808579, Japan

来源：

OPTICAL FIBERS AND SENSORS FOR MEDICAL APPLICATIONS IV | 2004年 / 5317卷

关键词：

absorption coefficient; Er : YAG laser; sealing cap; hollow fiber; water;

D O I：

10.1117/12.531793

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Transmission experiments of Er:YAG laser fight 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.

引用

页码：172 / 179

页数：8

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