Transmission characteristics of polyimide-coated silver hollow glass waveguides for medical applications

Yuji Kato; Mitsuo Osawa; Mitsunobu Miyagi; Masaru Aizawa; Shin-ichi Abe; Shinji Onodera

doi:10.1117/12.197498

22 December 1994 Transmission characteristics of polyimide-coated silver hollow glass waveguides for medical applications

Yuji Kato, Mitsuo Osawa, Mitsunobu Miyagi, Masaru Aizawa, Shin-ichi Abe, Shinji Onodera

Author Affiliations +

Proceedings Volume 2328, Biomedical Optoelectronic Devices and Systems II; (1994) https://doi.org/10.1117/12.197498
Event: International Symposium on Biomedical Optics Europe '94, 1994, Lille, France

Abstract

Polyimide-polymer coated silver hollow glass-waveguides have been proposed for the first time as infrared light transmitting media for the applications in the fields of medicine and infrared sensors. The waveguides with inner diameter of 0.7 mm and length of 1 m have been fabricated by inner coating of polyimide and silver inside a fused- silica capillary tube. By measurements of the loss spectra of the waveguides, it is shown that polyimide-polymer coated silver hollow glass-waveguides have low-loss characteristics at some infrared wavelength regions. As a dielectric material, the polyimide-polymer has many advantages such as high heat-resistance, nontoxicity, durability, and low refractive index over other dielectrics. Moreover, a fabrication method employing liquid-flow coating leads to a possibility of the mass- production of the waveguides.

Citation Download Citation

Yuji Kato, Mitsuo Osawa, Mitsunobu Miyagi, Masaru Aizawa, Shin-ichi Abe, and Shinji Onodera "Transmission characteristics of polyimide-coated silver hollow glass waveguides for medical applications", Proc. SPIE 2328, Biomedical Optoelectronic Devices and Systems II, (22 December 1994); https://doi.org/10.1117/12.197498

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