Generation of diffracted free fields and dark hollow beams using spatial filtering

G. Martinez-Niconoff; J. Munoz-Lopez; G. Hernandez-Orduña; H. H. Sanchez-Hernandez

doi:10.1117/12.734907

20 September 2007 Generation of diffracted free fields and dark hollow beams using spatial filtering

G. Martinez-Niconoff, J. Munoz-Lopez, G. Hernandez-Orduña, H. H. Sanchez-Hernandez

Proceedings Volume 6695, Optics and Photonics for Information Processing; 66951A (2007) https://doi.org/10.1117/12.734907
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

We describe the synthesis of diffraction free beams (DFB) and quasi diffraction free beams (qDFB) with features easily tunable using a holographic techniques. The hologram plate transmittance is generated by interfering two zero order Bessel beams with non-common axis. Spatial filtering techniques are implemented by controlling the kind of illumination during the reconstruction process. The experimental results are for illumination with the same kind of illumination that the recording process, obtaining a set of diffracting free beams. One of these propagates quasi-parallel to the surface hologram. For illumination with a plane wave we obtain dark hollow beam propagating in same direction that reconstruction beam. Experimental results are shown in both cases.

Citation Download Citation

G. Martinez-Niconoff, J. Munoz-Lopez, G. Hernandez-Orduña, and H. H. Sanchez-Hernandez "Generation of diffracted free fields and dark hollow beams using spatial filtering", Proc. SPIE 6695, Optics and Photonics for Information Processing, 66951A (20 September 2007); https://doi.org/10.1117/12.734907

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