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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 16 — Jun. 1, 2002
  • pp: 3137–3141

Application of the Tauc-Lorentz formulation to the interband absorption of optical coating materials

Bernhard von Blanckenhagen, Diana Tonova, and Jens Ullmann  »View Author Affiliations


Applied Optics, Vol. 41, Issue 16, pp. 3137-3141 (2002)
http://dx.doi.org/10.1364/AO.41.003137


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Abstract

Recent progress in ellipsometry instrumentation permits precise measurement and characterization of optical coating materials in the deep-UV wavelength range. Dielectric coating materials exhibit their first electronic interband transition in this spectral range. The Tauc-Lorentz model is a powerful tool with which to parameterize interband absorption above the band edge. The application of this model for the parameterization of the optical absorption of TiO2, Ta2O5, HfO2, Al2O3, and LaF3 thin-film materials is described.

© 2002 Optical Society of America

OCIS Codes
(120.2130) Instrumentation, measurement, and metrology : Ellipsometry and polarimetry
(310.6860) Thin films : Thin films, optical properties

History
Original Manuscript: September 21, 2001
Revised Manuscript: January 1, 2002
Published: June 1, 2002

Citation
Bernhard von Blanckenhagen, Diana Tonova, and Jens Ullmann, "Application of the Tauc-Lorentz formulation to the interband absorption of optical coating materials," Appl. Opt. 41, 3137-3141 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-16-3137

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