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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 4 — Feb. 15, 2010
  • pp: 3784–3792

Optical coatings with an integral FTIR air layer

Li Li and J. A. Dobrowolski  »View Author Affiliations

Optics Express, Vol. 18, Issue 4, pp. 3784-3792 (2010)

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The use of solid frustrated total internal reflection (FTIR) layers to control the polarization effects in optical coatings usually results in large substrate sizes and complicated designs. To overcome this problem, it is proposed to incorporate an air FTIR layer into the multilayer thin film coatings. The low refractive index of air not only helps to reduce the substrate sizes, but also simplifies coating designs or improves the performance. The principle and layer structures of the proposed multilayers are described. Examples of polarizing- and non-polarizing beam-splitters for the infrared spectral region are given. Some practical manufacturing issues are also discussed.

© 2010 OSA

OCIS Codes
(310.0310) Thin films : Thin films
(310.1620) Thin films : Interference coatings
(310.5448) Thin films : Polarization, other optical properties

ToC Category:
Thin Films

Original Manuscript: January 29, 2010
Manuscript Accepted: February 2, 2010
Published: February 5, 2010

Li Li and J. A. Dobrowolski, "Optical coatings with an integral FTIR air layer," Opt. Express 18, 3784-3792 (2010)

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