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Optical Engineering

Laser processing of chemically derived dichroic filters
Author(s): Dunbar P. Birnie; Sharon M. Melpolder; Brian D. Fabes; Brian J.J. Zelinski; Michael J. Hanrahan
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Paper Abstract

Optical interference filters were fabricated using multilayer stacks derived from sol-gel SiO2 and SiO2-TiO2 coatings. Laser processing was then used to modify the spectral properties (color) of local regions of these stacks. Changes in color were analyzed with respect to changes in the individual film thicknesses and refractive indices. Design considerations and some basic limitations of laser firing for tuning interference filter colors are also discussed.

Paper Details

Date Published: 1 November 1993
PDF: 6 pages
Opt. Eng. 32(11) doi: 10.1117/12.147709
Published in: Optical Engineering Volume 32, Issue 11
Show Author Affiliations
Dunbar P. Birnie, Univ. of Arizona (United States)
Sharon M. Melpolder, Eastman Kodak Co. (United States)
Brian D. Fabes, Univ. of Arizona (United States)
Brian J.J. Zelinski, Univ. of Arizona (United States)
Michael J. Hanrahan, Eastman Kodak Co. (United States)


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