Generation of achromatic Bessel beams using a compensated spatial light modulator

We report the creation of white-light, achromatic Bessel beams using a spatial light modulator and a prism to compensate for the dispersion. Unlike the Bessel beam created by a refractive axicon, this achromatic beam has a radial wavevector and hence an intensity cross-section which is independent o...

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Bibliographic Details
Published inOptics express Vol. 14; no. 12; pp. 5581 - 5587
Main Authors Leach, Jonathan, Gibson, Graham M, Padgett, Miles J, Esposito, Elric, McConnell, Gail, Wright, Amanda J, Girkin, John M
Format Journal Article
LanguageEnglish
Published United States 12.06.2006
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Summary:We report the creation of white-light, achromatic Bessel beams using a spatial light modulator and a prism to compensate for the dispersion. Unlike the Bessel beam created by a refractive axicon, this achromatic beam has a radial wavevector and hence an intensity cross-section which is independent of wavelength. The technique also lends itself to the generation of higher order Bessel beams with an on-axis optical vortex and associated orbital angular momentum.
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ISSN:1094-4087
1094-4087
DOI:10.1364/oe.14.005581