20 April 1995 Directional light filters: three-dimensional azo-dye-formed microhoneycomb images within optical resins
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Proceedings Volume 2404, Diffractive and Holographic Optics Technology II; (1995); doi: 10.1117/12.207465
Event: Photonics West '95, 1995, San Jose, CA, United States
Abstract
Binary optical generated interference patterns are used to produce close-packed microchannel azo dye images within optical resins for use as new types of optical elements. These optical elements may be used to control the angular components of optical wavefront dynamics in new ways. Low density azo dye micro-honeycomb images with high aspect ratios resulting in extended ray pathways filter out skew rays and allow transmission of meridional rays while suppressing diffractive effects. Whereas an aperture stop may be used in a conventional optical system to block the wider angle light rays which are a prime source of optical system aberrations, these directional light filters achieve a similar effect at any integral point across the transverse of the wavefront. The projector system also affords a production method of writing highly corrected peripheral-field as well as center-field micro-mesh patterns in photoresist on non-planar surfaces such as domes.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kenneth M. Baker, David L. Shealy, Wu Jiang, "Directional light filters: three-dimensional azo-dye-formed microhoneycomb images within optical resins", Proc. SPIE 2404, Diffractive and Holographic Optics Technology II, (20 April 1995); doi: 10.1117/12.207465; https://doi.org/10.1117/12.207465
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KEYWORDS
Holography

Diffraction gratings

Optical filters

Interferometry

Diffraction

Projection systems

Lens design

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