Design and synthesis of A33-laver narrow bandpass filter with graded refractive index profiles

X. Wang, H. Masumoto, L. Chen, T. Hirai, Y. Someno

研究成果: Article査読

抄録

A novel bandpass filter consisting of graded refractive index profiles and a three-cavity stack was designed. It exhibits good optical characteristics, i.e., high transmittance (>99%) at the designated wavelength of 1550±25 nm and high reflectance (>99%) in wavelength regions of 1400±50 nm and 1780±100 nm. This designed 33-layer TiO2-SiO2 film with graded refractive index profiles was prepared by helicon plasma sputtering. The measured transmittance spectrum exhibited good agreement with the designed spectrum. The microstructure of this multilayer film was investigated using electron microscopy.

本文言語English
ページ(範囲)63-68
ページ数6
ジャーナルMaterials Research Society Symposium - Proceedings
597
出版ステータスPublished - 2000

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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