Generation of partially coherent diffraction-free fields with tunable geometry
JOSA A, Vol. 21, Issue 4, pp. 546-551 (2004)
http://dx.doi.org/10.1364/JOSAA.21.000546
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Abstract
The synthesis of diffraction-free fields with different profiles is described. The synthesis is done by illuminating a screen containing a circular slit with a cosine beam. The treatment is equivalent to the modulation of the slit transfer characteristics and makes possible a tunable interference interaction of Bessel beams with noncommon axes. These results are generalized, and it is shown that coherent diffraction-free fields with arbitrary profiles can be expressed as the superposition of shifted zero-order Bessel beams and temporary parametric representations of the shifted functions. Diffraction-free fields with partially coherent features can be obtained. Experimental results are shown for each case.
© 2004 Optical Society of America
OCIS Codes
(030.1670) Coherence and statistical optics : Coherent optical effects
(050.1940) Diffraction and gratings : Diffraction
(260.1960) Physical optics : Diffraction theory
Citation
Gabriel Martínez-Niconoff, Julio C. Ramírez-San-Juan, Patricia Martínez-Vara, Adrián Carbajal-Domínguez, and Andrei S. Ostrovsky, "Generation of partially coherent diffraction-free fields with tunable geometry," J. Opt. Soc. Am. A 21, 546-551 (2004)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-21-4-546
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