Pulsed Three-Dimensional Planar Caustic Beams

被引：5
|
作者：
Melamed, Timor [1 ]
机构：
[1] Ben Gurion Univ Negev, Sch Elect & Comp Engn, IL-84105 Beer Sheva, Israel
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2021年 / 20卷 / 04期
基金：
以色列科学基金会;
关键词：
Apertures; Trajectory; Delays; Particle beams; Surface waves; Skeleton; Optical pulse generation; Airy beams; apertures; electromagnetic transients;
D O I：
10.1109/LAWP.2021.3056652
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present an algorithm for designing and manipulating pulsed caustic (accelerating) beams that propagate along a predefined planar curved beam-axis trajectory in free space. These pulsed beams are localized time-dependent wave packets. We evaluate the pulsed aperture field (source) distribution that radiates the beam along the desired trajectory. The aperture field is evaluated by setting its delay to form the caustic surface about the beam-axis skeleton and to control the lateral beamwidth, and the amplitude is chosen to form a uniform intensity profile of the beam along its axis. Numerical examples are included.
引用
收藏
页码：553 / 556
页数：4
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