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Proceedings Paper

Transmission properties of fluorocarbon polymer-coated silver hollow glass waveguide with tapered section for Er:YAG laser light
Author(s): You Wang; Hajime Hiraga; Daisuke Miura; Yuji Kato; Mitsunobu Miyagi
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Paper Abstract

We have succeeded in fabricating low-loss fluorocarbon polymer (FCP)-coated silver hollow glass waveguides by using a liquid-flow coating method. The thickness of a FCP film is strongly dependent on the flow speed and the concentration of FCP solution. It is shown that the optimum condition exists for depositing the polymer to reduce the roughness of layer. The transmission loss of the fabricated waveguide with inner diameter of 700 micrometers is about 0.2 dB/m for Er:YAG laser light. An efficient tapered coupler with a lens is also investigated to couple the laser beam with large diameter to small-bore waveguides.

Paper Details

Date Published: 26 November 1996
PDF: 9 pages
Proc. SPIE 2928, Biomedical Systems and Technologies, (26 November 1996); doi: 10.1117/12.259965
Show Author Affiliations
You Wang, Tohoku Univ. (Japan)
Hajime Hiraga, Tohoku Univ. (Japan)
Daisuke Miura, Tohoku Univ. (Japan)
Yuji Kato, Tohoku Univ. (Japan)
Mitsunobu Miyagi, Tohoku Univ. (Japan)


Published in SPIE Proceedings Vol. 2928:
Biomedical Systems and Technologies
Nathan I. Croitoru; Martin Frenz; Terence A. King; Riccardo Pratesi; Anna Maria Verga Scheggi; Stefan Seeger; Otto S. Wolfbeis, Editor(s)

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