Superpositions of higher-order Bessel beams and nondiffracting speckle fields

Angela Dudley; Ruslan Vasilyeu; Andrew Forbes; Nikolai Khilo; Petr Ropot; Vladimir Belyi; Nikolai Kazak

doi:10.1117/12.826884

24 August 2009 Superpositions of higher-order Bessel beams and nondiffracting speckle fields

Angela Dudley, Ruslan Vasilyeu, Andrew Forbes, Nikolai Khilo, Petr Ropot, Vladimir Belyi, Nikolai Kazak

Proceedings Volume 7430, Laser Beam Shaping X; 74300A (2009) https://doi.org/10.1117/12.826884
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

In this paper we present a mechanism for the generation of the superposition of higher-order Bessel beams, which implements a ring slit aperture and spatial light modulator (SLM). Our experimental technique is also adapted to generate nondiffracting speckle fields. We report on illuminating a ring slit aperture with light which has an azimuthal phase dependence, such that the field produced is a superposition of two higher-order Bessel beams. In the case that the phase dependence of the light illuminating the ring slit aperture is random, a nondiffracting speckle field is produced. The experimentally produced fields are in good agreement with those calculated theoretically.

Citation Download Citation

Angela Dudley, Ruslan Vasilyeu, Andrew Forbes, Nikolai Khilo, Petr Ropot, Vladimir Belyi, and Nikolai Kazak "Superpositions of higher-order Bessel beams and nondiffracting speckle fields", Proc. SPIE 7430, Laser Beam Shaping X, 74300A (24 August 2009); https://doi.org/10.1117/12.826884

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