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Chromatic compensation of programmable Fresnel lenses

Autor
Millan, M.; Otón, J.; Pérez-Cabré, E.
Tipus d'activitat
Article en revista
Revista
Optics express
Data de publicació
2006-06
Volum
14
Número
13
Pàgina inicial
6226
Pàgina final
6242
DOI
https://doi.org/10.1364/OE.14.006226 Obrir en finestra nova
URL
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-13-6226 Obrir en finestra nova
Resum
Two proposals to compensate chromatic aberration of a programmable phase Fresnel lens displayed on a liquid crystal device and working under polychromatic illumination are presented. They are based on multiplexing a set of lenses, designed with a common focal length for different wavelengths, and a multicolor filter that makes each sublens work almost monochromatically. One proposal uses spatial multiplexing with mosaic aperture. The other uses a rotating scheme, a color filter against an array ...
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