Lensed taper coupler for hollow waveguides

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

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)

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.

Original languageEnglish
Pages (from-to)47-50
Number of pages4
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume2977
DOIs
Publication statusPublished - 1997 Dec 1
EventSpecialty Fiber Optics for Biomedical and Industrial Applications - San Jose, CA, United States
Duration: 1997 Feb 101997 Feb 10

Keywords

  • Hollow waveguides
  • Infrared lasers
  • Power delivery

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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