Comparative study of dielectric coating materials for micro-cavity applications | Zendy

Najwa Sidqi | Zendy; Caspar Clark | Zendy; Gerald S. Buller | Zendy; Gopala Krishna V.V. Thalluri | Zendy; Jevgenij Mitrofanov | Zendy; Yoann Noblet | Zendy

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Comparative study of dielectric coating materials for micro-cavity applications

Author(s) -

Najwa Sidqi,

Caspar Clark,

Gerald S. Buller,

Gopala Krishna V.V. Thalluri,

Jevgenij Mitrofanov,

Yoann Noblet

Publication year - 2019

Publication title -

optical materials express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.925

H-Index - 66

ISSN - 2159-3930

DOI - 10.1364/ome.9.003452

Subject(s) - materials science , coating , dielectric , optics , refractive index , fabrication , optical coating , surface roughness , sputter deposition , optoelectronics , evaporation , surface finish , thin film , anti reflective coating , sputtering , composite material , nanotechnology , physics , medicine , alternative medicine , pathology , thermodynamics

We study the potential of common dielectric coating materials used for the fabrication of high reflectance mirrors in micro-cavity devices used in the visible region. We examine materials grown using E-beam and thermal evaporation and magnetron sputtering. The refractive indices and the extinction coefficients of the coatings were calculated from transmission and reflectance spectrophotometric data. The surface roughness of single layer coatings was measured using atomic force microscopy and the scatter of the thin film coatings was approximated from roughness measurements.

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