Simple method for determining the optical constants of thin metallic films from transmittance measurements

E. E. Khawaja*, S. M.A. Durrani, A. M. Al-Shukri

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

A method for the determination of the optical constants of thin metal films on transparent substrates is proposed. It requires measurements at normal incidence of the transmittance from the specimen itself and when coated with a thin transparent layer. A procedure is given for determining the correct solutions for the indices of refraction and absorption and also for accurately fixing the thickness of the film. Advantage of the present method over existing methods is readily available measurement facilities. The method has been applied successfully to films of gold.

Original languageEnglish
Pages (from-to)166-171
Number of pages6
JournalThin Solid Films
Volume358
Issue number1
DOIs
StatePublished - 10 Jan 2000

Bibliographical note

Funding Information:
This work is part of an internal project # CAPS1202, supported by the Research Institute of King Fahd University of Petroleum and Minerals.

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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