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Proceedings Paper

Fabrication of robust hollow waveguide devices for Er:YAG laser light
Author(s): You Wang; Hajime Hiraga; Yuji Matsuura; Mitsunobu Miyagi
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Paper Abstract

We report transmission properties of two kinds of robust bent hollow stainless steel (St) waveguides whose inner surface is coated by the thin silver (Ag) and fluorocarbon- polymer (FCP) layers. The bore size of the waveguides is 700 micrometer and all types of waveguides have been fabricated based on the liquid phase process, i.e., the process of silver mirror reaction for the silver layer and liquid flow- coating method for the fluorocarbon polymer layer. Measurements have been conducted for the fixed bent FCP- coated Ag hollow St waveguides with the length of 3 cm and the bending angles of 20 and 70 degrees, respectively for Er:YAG laser light. It turned out that the losses of 0.8 dB and 0.7 dB have been attained for the above 20 degree and 70 degree structures, respectively. As the St tube itself has the very robust structure and high heat conductivity compared with the corresponding glass hollow waveguide, the waveguide devices proposed in this paper will open a new application in medicine.

Paper Details

Date Published: 18 April 1997
PDF: 5 pages
Proc. SPIE 2977, Specialty Fiber Optics for Biomedical and Industrial Applications, (18 April 1997); doi: 10.1117/12.271024
Show Author Affiliations
You Wang, Tohoku Univ. (Japan)
Hajime Hiraga, Tohoku Univ. (Japan)
Yuji Matsuura, Tohoku Univ. (Japan)
Mitsunobu Miyagi, Tohoku Univ. (Japan)


Published in SPIE Proceedings Vol. 2977:
Specialty Fiber Optics for Biomedical and Industrial Applications
Abraham Katzir; James A. Harrington, Editor(s)

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