Penetration of high-intensity Er:YAG laser light emitted by IR hollow optical fibers with sealing caps in water |
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| Authors: | Iwai Katsumasa Shi Yi-Wei Endo Masashi Ito Kentaro Matsuura Yuji Miyagi Mitsunobu Jelinkova Helena |
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| Affiliation: | Graduate School of Engineering, Tohoku University, Aramaki Aoba, Aoba-ku, Sendai 980-8579, Japan. |
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| Abstract: | The penetration depth in water was measured for Er:YAG laser light in a high density relevant to clinical applications. Various types of focusing elements were used to guide the light efficiently. We found that the transmission distance depended strongly on the beam shape in the water. When we used a plano-convex type of focusing cap, the penetration depth was larger than that when a dome- or ball-type cap were used. |
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