Transmission properties of rectangular hollow waveguides for c02 laser light

Hisatada Machida, Yuji Matsuura, Hitoshi Ishikawa, Mitsunobu Miyagi

研究成果: Article査読

15 被引用数 (Scopus)

抄録

Transmission losses of two types of dielectric-coated rectangular waveguide are analyzed theoretically to transmit linearly or circularly polarized C02 laser light. When ZnS and PbTe are chosen as coating materials, waveguide losses are reduced by ˜ 1 order of magnitude by increasing each pair of coating materials. Phosphor bronze rectangular waveguides with small aspect ratios and various cross sections, whose inner walls are coated with a single PbF2 layer, are fabricated by using vacuum-evaporation and assembly techniques. Transmission losses of straight and bent waveguides are measured for coherent C02 laser light as well as for incoherent infrared lights. Straight waveguide losses of 0.1 dB/m including a coupling loss from a laser, are obtained at a 10.6-xm wavelength for 1-m-long and small-core waveguides.

本文言語English
ページ(範囲)7617-7622
ページ数6
ジャーナルApplied optics
31
36
DOI
出版ステータスPublished - 1992 12月

ASJC Scopus subject areas

  • 原子分子物理学および光学
  • 工学(その他)
  • 電子工学および電気工学

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