Vacuum ultraviolet loss in magnesium fluoride films

Obert R. Wood, Harold G. Craighead, Jane E. Sweeney, Patrick J. Maloney

Research output: Contribution to journalArticle

51 Scopus citations

Abstract

The optical constants of evaporated MgF//2 films were determined over the 1050 to 1600-A wavelength range from measured transmittance and near-normal incidence reflectance measurements. The complex refractive index was studied as a function of film deposition conditions and correlated with microstructural examinations by transmission electron microscopy. Absorption by the low energy tail of an exciton band and scattering from inhomogeneities were found to account for the film's loss in this wavelength range. Both of these factors were determined largely by substrate temperature during the film deposition.

Original languageEnglish (US)
Pages (from-to)3644-3649
Number of pages6
JournalApplied Optics
Volume23
Issue number20
DOIs
StatePublished - Oct 15 1984

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

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