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

Katsumasa Iwai; Masashi Endo; Kentaro Ito; Yi-Wei Shi; Yuji Matsuura; Mitsunobu Miyagi; Helena Jelinkova

doi:10.1117/12.531793

10 June 2004 Dynamic absorption coefficient of water for high-density Er:YAG laser radiation

Katsumasa Iwai, Masashi Endo, Kentaro Ito, Yi-Wei Shi, Yuji Matsuura, Mitsunobu Miyagi, Helena Jelinkova

Proceedings Volume 5317, Optical Fibers and Sensors for Medical Applications IV; (2004) https://doi.org/10.1117/12.531793
Event: Biomedical Optics 2004, 2004, San Jose, CA, United States

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.

Citation Download Citation

Katsumasa Iwai, Masashi Endo, Kentaro Ito, Yi-Wei Shi, Yuji Matsuura, Mitsunobu Miyagi, and Helena Jelinkova "Dynamic absorption coefficient of water for high-density Er:YAG laser radiation", Proc. SPIE 5317, Optical Fibers and Sensors for Medical Applications IV, (10 June 2004); https://doi.org/10.1117/12.531793

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