Infrared hollow-glass fiber produced by fiber-drawing technique

Yuji Matsuura, Ryosuke Kasahara, Takashi Katagiri, Mitsunobu Miyagi

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)


Hollow fibers for infrared laser delivery are drawn from a glass perform to produce a low-loss and flexible hollow glass fiber at low cost. To utilize the interference effect of the thin glass wall, the wall thickness is carefully controlled by the drawing speed. A Pyrex-glass hollow fiber with an inner diameter of 280 μm and a wall thickness of 9.92 μm shows a low loss at 2.94 μm of the Er:YAG laser wavelength when coated with a silver film on the outer surface.

Original languageEnglish
Pages (from-to)79-83
Number of pages5
JournalProceedings of SPIE - The International Society for Optical Engineering
Publication statusPublished - 2003 Dec 5
EventPROGRESS IN BIOMEDICAL OPTICS AND IMAGING: Optical Fibers and Sensors for Medical Applications III - San Jose, CA, United States
Duration: 2003 Jan 252003 Jan 28


  • Hollow fibers
  • Infrared fibers
  • Infrared lasers

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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