Journal
OPTICS LETTERS
Volume 33, Issue 24, Pages 2916-2918Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.33.002916
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- Deshpande Center for Technological Innovation at MIT
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We experimentally verify the focusing characteristics of dichromats, a new class of circular-symmetric diffractive-optical lenses that generate, in the same focal plane, focal spots for one wavelength and ring-shaped spots with central nodes for another wavelength. Using a dichromat, we illuminate a thin photochromic layer and demonstrated point-spread-function compression of the transmitted focal spot. (C) 2008 Optical Society of America
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