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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 45, Iss. 7 — Mar. 1, 2006
  • pp: 1502–1506

Application of optical broadband monitoring to quasi-rugate filters by ion-beam sputtering

Marc Lappschies, Björn Görtz, and Detlev Ristau  »View Author Affiliations

Applied Optics, Vol. 45, Issue 7, pp. 1502-1506 (2006)

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Methods for the manufacture of rugate filters by the ion-beam-sputtering process are presented. The first approach gives an example of a digitized version of a continuous-layer notch filter. This method allows the comparison of the basic theory of interference coatings containing thin layers with practical results. For the other methods, a movable zone target is employed to fabricate graded and gradual rugate filters. The examples demonstrate the potential of broadband optical monitoring in conjunction with the ion-beam-sputtering process. First-characterization results indicate that these types of filter may exhibit higher laser-induced damage-threshold values than those of classical filters.

© 2006 Optical Society of America

OCIS Codes
(310.0310) Thin films : Thin films
(310.1860) Thin films : Deposition and fabrication
(350.2460) Other areas of optics : Filters, interference

ToC Category:

Original Manuscript: March 1, 2005
Manuscript Accepted: June 28, 2005

Marc Lappschies, Björn Görtz, and Detlev Ristau, "Application of optical broadband monitoring to quasi-rugate filters by ion-beam sputtering," Appl. Opt. 45, 1502-1506 (2006)

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