Generation of Bessel beams at mm- and submm-wave bands using binary optical elements

被引：8

作者：

Yu, Y. Z. ^{[1
]}

Dou, W. B. ^{[1
]}

机构：

[1] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China

来源：

2008 GLOBAL SYMPOSIUM ON MILLIMETER WAVES | 2008年

关键词：

Bessel beam; binary optical elements (BOE's); millimeter and submillimeter-wave; genetic algorithm(GA); finite-difference time-domain(FDTD);

D O I：

10.1109/GSMM.2008.4534573

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We apply binary optical elements (BOE's), designed by using a genetic algorithm (GA) for global optimization and a two-dimension finite-difference time-domain (2-D FDTD) method for rigorous electromagnetic computation, to generate Bessel beams at mm and submm-wave bands. Numerical results demonstrate that the designed BOE's can not only successfully produce arbitrary order Bessel beams, but also have higher diffraction efficiencies when compared with amplitude holograms.

引用

页码：115 / 118

页数：4

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