On a class of electromagnetic diffraction-free beams

被引：8

作者：

Borghi, Riccardo ^{[1
,2
]}

Gori, Franco ^{[2
,3
]}

Ponomarenko, Sergey A. ^{[4
]}

机构：

[1] Univ Studi Roma Tre, Dipartimento Elettron Applicata, I-00146 Rome, Italy

[2] CNISM, I-00146 Rome, Italy

[3] Univ Studi Roma Tre, Dipartimento Fis, I-00146 Rome, Italy

[4] Dalhousie Univ, Dept Elect & Comp Engn, Halifax, NS B3J 2X4, Canada

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2009年 / 26卷 / 11期

关键词：

PARTIALLY COHERENT BEAMS; POLARIZATION; PROPAGATION; FIELDS; APERTURE; MATRIX; SPACE;

D O I：

10.1364/JOSAA.26.002275

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a general theory of electromagnetic diffraction-free beams composed of uncorrelated Bessel modes. Our approach is based on the direct application of the nonnegativity constraint to the cross-spectral density tensor describing the electromagnetic field distribution. The field correlation properties are most conveniently derived in the spatial frequency domain, where the angular spectrum takes on the form of an infinitely thin ring. We also present several examples, including a vector generalization of the recently introduced dark and antidark diffraction-free beams. (C) 2009 Optical Society of America

引用

页码：2275 / 2281

页数：7

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