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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 9 — Mar. 20, 2011
  • pp: C253–C256

Improved scratch resistance for antireflective coatings on sapphire

Christoph Gödeker, Ulrike Schulz, and Norbert Kaiser  »View Author Affiliations

Applied Optics, Vol. 50, Issue 9, pp. C253-C256 (2011)

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Antireflective coatings on sapphire were optimized by variation of the coating design, the total thickness, and the highly refractive material used. The coatings were characterized with a focus on their scratch resistance. An increased resistance against scratching wear is shown for hafnia-containing coatings with a total thickness of about 500 nm .

© 2011 Optical Society of America

OCIS Codes
(310.1210) Thin films : Antireflection coatings
(310.1860) Thin films : Deposition and fabrication
(310.6870) Thin films : Thin films, other properties

Original Manuscript: July 30, 2010
Revised Manuscript: December 1, 2010
Manuscript Accepted: December 3, 2010
Published: January 10, 2011

Christoph Gödeker, Ulrike Schulz, and Norbert Kaiser, "Improved scratch resistance for antireflective coatings on sapphire," Appl. Opt. 50, C253-C256 (2011)

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  12. Test performed according to international standard IEC 68-2-70 (International Electrotechnical Commission, 1995).

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