Fabrication and characterization of thermally evaporated omnidirectional mirrors

Michael Zenou, Ariel Bruner, Shlomo Y. Goldin, Matvei Klebanov, Victor Lyubin, Bruno Sfez

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Omnidirectional mirrors based on chalcogenide and cryolite were fabricated by thermal evaporation. These mirrors are characterized using a two-dimensional mapping that provides a direct, visual signature. These signatures are presented for different multilayer structures. A mirror with an omnidirectional reflectivity of more than 94% and with a transverse electric omnidirectional reflectivity of more than 99.99% for high-incident angles is demonstrated. A surface roughness of less than 5 nm was obtained.

Original languageEnglish
Pages (from-to)1810-1812
Number of pages3
JournalIEEE Photonics Technology Letters
Volume19
Issue number22
DOIs
StatePublished - 15 Nov 2007

Keywords

  • Dielectric mirror
  • Integrated optics
  • Multilayer coating
  • Omnidirectional reflector
  • Optical properties
  • Photonic crystal
  • Thin film

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