Lensed taper coupler for hollow waveguides

Hajime Hiraga; Yuji Matsuura; You Wang; Yuji Kato; Mitsunobu Miyagi; Shin-ichi Abe; Shinji Onodera

doi:10.1117/12.271026

18 April 1997 Lensed taper coupler for hollow waveguides

Hajime Hiraga, Yuji Matsuura, You Wang, Yuji Kato, Mitsunobu Miyagi, Shin-ichi Abe, Shinji Onodera

Proceedings Volume 2977, Specialty Fiber Optics for Biomedical and Industrial Applications; (1997) https://doi.org/10.1117/12.271026
Event: BiOS '97, Part of Photonics West, 1997, San Jose, CA, United States

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.

Citation Download Citation

Hajime Hiraga, Yuji Matsuura, You Wang, Yuji Kato, Mitsunobu Miyagi, Shin-ichi Abe, and Shinji Onodera "Lensed taper coupler for hollow waveguides", Proc. SPIE 2977, Specialty Fiber Optics for Biomedical and Industrial Applications, (18 April 1997); https://doi.org/10.1117/12.271026

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