Transmission properties of fluorocarbon polymer-coated silver hollow glass waveguide with tapered section for Er:YAG laser light

You Wang; Hajime Hiraga; Daisuke Miura; Yuji Kato; Mitsunobu Miyagi

doi:10.1117/12.259965

26 November 1996 Transmission properties of fluorocarbon polymer-coated silver hollow glass waveguide with tapered section for Er:YAG laser light

You Wang, Hajime Hiraga, Daisuke Miura, Yuji Kato, Mitsunobu Miyagi

Author Affiliations +

Proceedings Volume 2928, Biomedical Systems and Technologies; (1996) https://doi.org/10.1117/12.259965
Event: BiOS Europe '96, 1996, Vienna, Austria

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.

Citation Download Citation

You Wang, Hajime Hiraga, Daisuke Miura, Yuji Kato, and Mitsunobu Miyagi "Transmission properties of fluorocarbon polymer-coated silver hollow glass waveguide with tapered section for Er:YAG laser light", Proc. SPIE 2928, Biomedical Systems and Technologies, (26 November 1996); https://doi.org/10.1117/12.259965

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