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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 53, Iss. 16 — Jun. 1, 2014
  • pp: 3448–3453

Nonpolarizing color mirrors on a high-reflecting metal base

Jennifer D. T. Kruschwitz and Roy S. Berns  »View Author Affiliations

Applied Optics, Vol. 53, Issue 16, pp. 3448-3453 (2014)

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Optically variable devices made from optical-interference coatings create chromatic color mirrors that have minimal polarization differences with increasing incidence angle. These metal–dielectric–metal designs produce narrowband, high reflectance in the visible wavelength region. Broader-band reflectance regions, similar to those created by multilayer dielectric stacks, can be replicated on a high-reflecting metal base such as aluminum, maintaining the same nonpolarizing effects of the narrowband designs. These designs are intended for reflective systems used for display where reduced angle sensitivity is paramount. However, these designs can also be adapted for large angular-dependent color shift, such as in effect pigments. Design examples and layer material suggestions are given depending on the application requirements.

© 2014 Optical Society of America

OCIS Codes
(310.1620) Thin films : Interference coatings
(330.1690) Vision, color, and visual optics : Color
(310.3915) Thin films : Metallic, opaque, and absorbing coatings
(310.4165) Thin films : Multilayer design
(310.5448) Thin films : Polarization, other optical properties

ToC Category:
Thin Films

Original Manuscript: April 2, 2014
Manuscript Accepted: April 23, 2014
Published: May 26, 2014

Jennifer D. T. Kruschwitz and Roy S. Berns, "Nonpolarizing color mirrors on a high-reflecting metal base," Appl. Opt. 53, 3448-3453 (2014)

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