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Proceedings Paper

Lensed taper coupler for hollow waveguides
Author(s): Hajime Hiraga; Yuji Matsuura; You Wang; Yuji Kato; Mitsunobu Miyagi; Shin-ichi Abe; Shinji Onodera
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Paper Abstract

A launching coupler for hollow fibers consisting of a convex lens and a tapered hollow-guide piece is proposed. We fabricated the coupler which has a conical-tapered, Pyrex glass tube as the tapered section. The bore size of the taper-guide's input end is 3 mm and the output end is 0.7 mm which is the same as the size of coupled hollow fibers. The results of preliminary experiments show that the launching system has a large tolerance for the coupling condition between laser light and hollow fibers.

Paper Details

Date Published: 18 April 1997
PDF: 4 pages
Proc. SPIE 2977, Specialty Fiber Optics for Biomedical and Industrial Applications, (18 April 1997); doi: 10.1117/12.271026
Show Author Affiliations
Hajime Hiraga, Tohoku Univ. (Japan)
Yuji Matsuura, Tohoku Univ. (Japan)
You Wang, Tohoku Univ. (Japan)
Yuji Kato, Tohoku Univ. (Japan)
Mitsunobu Miyagi, Tohoku Univ. (Japan)
Shin-ichi Abe, Tohoku Univ. (Japan)
Shinji Onodera, Tohoku Univ. (Japan)

Published in SPIE Proceedings Vol. 2977:
Specialty Fiber Optics for Biomedical and Industrial Applications
Abraham Katzir; James A. Harrington, Editor(s)

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