Comparative study of dielectric coating materials for micro-cavity applications

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

Research output: Contribution to journalArticle

Abstract

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.

Original languageEnglish
Pages (from-to)3452-3468
Number of pages17
JournalOptical Materials Express
Volume9
Issue number8
Early online date24 Jul 2019
DOIs
Publication statusPublished - 1 Aug 2019

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Coatings
Roughness measurement
Thermal evaporation
Magnetron sputtering
Atomic force microscopy
Refractive index
Surface roughness
Fabrication
Thin films

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

Cite this

Sidqi, Najwa ; Clark, Caspar ; Buller, Gerald S. ; Thalluri, Gopala Krishna V. V. ; Mitrofanov, Jevgenij ; Noblet, Yoann. / Comparative study of dielectric coating materials for micro-cavity applications. In: Optical Materials Express. 2019 ; Vol. 9, No. 8. pp. 3452-3468.
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Sidqi, N, Clark, C, Buller, GS, Thalluri, GKVV, Mitrofanov, J & Noblet, Y 2019, 'Comparative study of dielectric coating materials for micro-cavity applications', Optical Materials Express, vol. 9, no. 8, pp. 3452-3468. https://doi.org/10.1364/OME.9.003452

Comparative study of dielectric coating materials for micro-cavity applications. / Sidqi, Najwa; Clark, Caspar; Buller, Gerald S.; Thalluri, Gopala Krishna V. V.; Mitrofanov, Jevgenij; Noblet, Yoann.

In: Optical Materials Express, Vol. 9, No. 8, 01.08.2019, p. 3452-3468.

Research output: Contribution to journalArticle

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