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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 30 — Oct. 20, 2006
  • pp: 7841–7850

Flat-topped broadband rugate filters

Anne G. Imenes and David R. McKenzie  »View Author Affiliations


Applied Optics, Vol. 45, Issue 30, pp. 7841-7850 (2006)
http://dx.doi.org/10.1364/AO.45.007841


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Abstract

A method of creating rugate interference filters that have flat-topped reflectance across an extended spectral region is presented. The method applies known relations from the classical coupled wave theory to develop a set of equations that gives the spatial frequency distribution of rugate cycles to achieve constant reflectance across a given spectral region. Two examples of the application of this method are discussed: a highly reflective coating for eye protection against harmful laser radiation incident from normal to 45°, and a spectral beam splitter for efficient solar power conversion.

© 2006 Optical Society of America

OCIS Codes
(120.2440) Instrumentation, measurement, and metrology : Filters
(230.1360) Optical devices : Beam splitters
(230.4170) Optical devices : Multilayers
(240.0310) Optics at surfaces : Thin films
(310.1620) Thin films : Interference coatings

History
Original Manuscript: November 14, 2005
Manuscript Accepted: March 9, 2006

Virtual Issues
Vol. 1, Iss. 11 Virtual Journal for Biomedical Optics

Citation
Anne G. Imenes and David R. McKenzie, "Flat-topped broadband rugate filters," Appl. Opt. 45, 7841-7850 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-30-7841

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