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Proceedings Paper

Signal analysis of fiber optic probe method from Ho:YAG laser ablation bubble
Author(s): Miya Ishihara; Makoto Hasegawa; Masato Yano; Akio Nakajima; Tsunenori Arai; Makoto Kikuchi; Minoru Obara
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Paper Abstract

We experimentally and theoretically studied interpretation of the waveform signal which was obtained by the fiber-optic probe method during Ho:YAG laser ablation. We monitored behavior of the ablation bubble which occurs at the fiber tip during the ablation by means of developed fiber-optic probe method as well as time-resolved photography to investigate the information which involves the waveform signal. We used water and agar as model materials for different purposes. We determined that the waveform signal from the fiber-optic probe method is mainly attributed to the reflection of the boundary between the water-vapor bubble and surrounding material/tissue. We also found that the intensive shockwave which is induced may be monitored by our method.

Paper Details

Date Published: 17 August 1994
PDF: 6 pages
Proc. SPIE 2134, Laser-Tissue Interaction V; and Ultraviolet Radiation Hazards, (17 August 1994); doi: 10.1117/12.182950
Show Author Affiliations
Miya Ishihara, Keio Univ. (Japan)
Makoto Hasegawa, Keio Univ. (Japan)
Masato Yano, Keio Univ. (Japan)
Akio Nakajima, National Defense Medical College (Japan)
Tsunenori Arai, National Defense Medical College (Japan)
Makoto Kikuchi, National Defense Medical College (Japan)
Minoru Obara, Keio Univ. (Japan)


Published in SPIE Proceedings Vol. 2134:
Laser-Tissue Interaction V; and Ultraviolet Radiation Hazards
Steven L. Jacques; David H. Sliney; Michael Belkin, Editor(s)

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