非线性电磁X波。
Nonlinear electromagnetic X waves.
作者信息
Conti C, Trillo S, Di Trapani P, Valiulis G, Piskarskas A, Jedrkiewicz O, Trull J
机构信息
Istituto Nazionale di Fisica della Materia-RM3, Via della Vasca Navale 84, 00146 Roma, Italy.
出版信息
Phys Rev Lett. 2003 May 2;90(17):170406. doi: 10.1103/PhysRevLett.90.170406.
Abstract
Nonlinear optical media that are normally dispersive support a new type of localized (nondiffractive and nondispersive) wave packets that are X shaped in space and time and have slower than exponential decay. High-intensity X waves, unlike linear ones, can be formed spontaneously through a trigger mechanism of conical emission, thus playing an important role in experiments.
摘要
具有正常色散的非线性光学介质支持一种新型的局域化（非衍射且非色散）波包，其在空间和时间上呈X形，并且具有慢于指数的衰减。与线性波不同，高强度X波可以通过锥形发射的触发机制自发形成，因此在实验中起着重要作用。
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