Directional narrowing of the diffractive pattern through a combination of spherical and spiral optical elements within a single aperture

Zbigniew Jaroszewicz , J. Morales , C. Ramirez , Maciej Sypek

Abstract

The intensity pattern produced by the zero-order Bessel beam can be squeezed along certain directions if it interferes with the Bessel beam of a higher order. The concept of directional narrowing can be extended onto the zone plates by the division of the aperture into a set of concentric annuli; within some of the apertures the phase function of the spherical optical element is substituted or supplemented by the spiral optical element. The proposed approach is verified by the numerical simulation of the interference of Bessel beams, linear axicons, and spherical zone plates of zero order and second order.
Author Zbigniew Jaroszewicz - [Instytut Optyki Stosowanej w Warszawie]
Zbigniew Jaroszewicz,,
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, J. Morales - [Universidad Nacional de Colombia]
J. Morales,,
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, C. Ramirez - [Universidad Nacional de Colombia]
C. Ramirez,,
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, Maciej Sypek (FP / OPD)
Maciej Sypek,,
- Optics and Photonics Division
Journal seriesApplied Optics, ISSN 0003-6935
Issue year1997
Vol36
No31
Pages8085-8090
ASJC Classification3107 Atomic and Molecular Physics, and Optics
DOIDOI:10.1364/AO.36.008085
URL http://ao.osa.org/abstract.cfm?URI=ao-36-31-8085
Score (nominal)30
Score sourcejournalList
Publication indicators Scopus Citations = 3; WoS Citations = 3; GS Citations = 4.0; Scopus SNIP (Source Normalised Impact per Paper): 1999 = 0.996; WoS Impact Factor: 2011 = 1.748 (2) - 2011=1.789 (5)
Citation count*4 (2014-12-16)
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