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Proceedings Paper

Intense ultrashort laser delivery through a graded index multimode fiber for medical application
Author(s): Makoto Kanai; Lisa Kamino; Minoru Obara; Hitoshi Sekita
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Paper Abstract

We report on the experimental and analytical study of fiber delivery of femtosecond laser pulse through a step index (SI) and graded index (GI) multimode fiber. The 1.1 ps pulses of 8.7 μJ at 800 nm were delivered through a 10 cm GI multimode fiber with a 0.6 dB transmission loss. In the meantime, the output beam profile is nearly Gaussian and is independent of bending of the fiber. It is also shown that the prospect that the frequency pre-chirped pulse is usable for the utlrashort laser pulse delivery through GI multimode fibers by the numerical analysis.

Paper Details

Date Published: 19 June 2003
PDF: 6 pages
Proc. SPIE 4978, Commercial and Biomedical Applications of Ultrafast Lasers III, (19 June 2003); doi: 10.1117/12.478590
Show Author Affiliations
Makoto Kanai, Keio Univ. (Japan)
Lisa Kamino, Keio Univ. (Japan)
Minoru Obara, Keio Univ. (Japan)
Hitoshi Sekita, Cyber Laser, Inc. (Japan)


Published in SPIE Proceedings Vol. 4978:
Commercial and Biomedical Applications of Ultrafast Lasers III
Joseph Neev; Andreas Ostendorf; Christopher B. Schaffer, Editor(s)

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