Achromatic diffractive lens written onto a liquid crystal display

A. Márquez, C. Iemmi, J. Campos, M. J. Yzuel

Research output: Contribution to journalArticleResearchpeer-review

43 Citations (Scopus)

Abstract

We propose a programmable diffractive lens written onto a liquid crystal display (LCD) that is able to provide equal focal lengths for several wavelengths simultaneously. To achieve this goal it is necessary that the LCD operate in the phase-only regime simultaneously for the different wavelengths. We design the appropriate lens for each wavelength, and then the lenses are spatially multiplexed onto the LCD. Various multiplexing schemes have been analyzed, and the random scheme shows the best performance. We further show the possibility of finely tuning the chromaticity of the focal spot by changing the relative weights of the multiplexing among the various wavelengths. © 2006 Optical Society of America.
Original languageEnglish
Pages (from-to)392-394
JournalOptics Letters
Volume31
DOIs
Publication statusPublished - 1 Feb 2006

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