Cylindrical waveguide formed of multilayered film having 1D photonic bandgap structure

Yuji Matsuura; Takashi Katagiri; Mitsunobu Miyagi

doi:10.1117/12.447652

6 November 2001 Cylindrical waveguide formed of multilayered film having 1D photonic bandgap structure

Yuji Matsuura, Takashi Katagiri, Mitsunobu Miyagi

Proceedings Volume 4453, Materials and Devices for Photonic Circuits II; (2001) https://doi.org/10.1117/12.447652
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

Transmission properties of hollow waveguides utilizing dielectric multilayer are examined by using a photonic bandgap theory. Theoretical results show that, in the waveguide having quarterwave film stack, a large number of films is necessary to obtain low loss property. It is shown that covering the dielectric films with a metal layer is effective to reduce the number of dielectric films. To verify the effect of this design, we fabricate a prototype waveguide with three dielectric layers of SiO₂ / Ta₂O₅ / SiO₂ and a silver cover layer. From the loss spectrum of the waveguide, we confirm that, as designed, the waveguide shows wideband low loss at the wavelength of Nd:YAG laser light 1.06 micrometers .

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Yuji Matsuura, Takashi Katagiri, and Mitsunobu Miyagi "Cylindrical waveguide formed of multilayered film having 1D photonic bandgap structure", Proc. SPIE 4453, Materials and Devices for Photonic Circuits II, (6 November 2001); https://doi.org/10.1117/12.447652

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KEYWORDS

Waveguides

Dielectrics

Hollow waveguides

Multilayers

Metals

Silver

Nd:YAG lasers

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