Hollow infrared fibers fabricated by glass-drawing technique

Hollow glass fibers for delivery of mid-infrared lasers are drawn from a glass-tube preform to produce a long and flexible hollow fiber at low cost. To utilize the interference effect of the thin glass wall, the wall thickness is controlled by the drawing speed. A Pyrex-glass hollow fiber with an in...

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Bibliographic Details
Published in:Optics express 2002-06, Vol.10 (12), p.488-492
Main Authors: Matsuura, Yuji, Kasahara, Ryosuke, Katagiri, Takashi, Miyagi, Mitsunobu
Format: Article
Language:English
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Summary:Hollow glass fibers for delivery of mid-infrared lasers are drawn from a glass-tube preform to produce a long and flexible hollow fiber at low cost. To utilize the interference effect of the thin glass wall, the wall thickness is controlled by the drawing speed. A Pyrex-glass hollow fiber with an inner diameter of 280 microm and a wall thickness of 9.92 microm shows a low loss at 2.94 microm of the Er:YAG laser wavelength when coated with a silver film on the outer surface.
ISSN:1094-4087
1094-4087
DOI:10.1364/oe.10.000488