强激光与粒子束2011，Vol.23Issue(3)：632-636,5.DOI:10.3788/HPLPB20112303.0632
应用变换光学理论调控电磁场光束束宽
Modulation of electromagnetic beamwidth based on transformation optics
摘要
Abstract
A scheme using metamaterials is proposed to modulate beamwidth and obtain a line beam from a beam with finite width based on transformation optics, and the constitutive tensors of metamaterials are educed.The good performance of the proposed medium is verified through full-wave numerical simulations based on the finite element method.Such an electromagnetic wave-manipulating medium provides alternative ways either to expand or to compress the electromagnetic beamwidth.And the line beam with very high energy density at the beam center would find applications in enhancing nonlinear optical effects or other areas.关键词
变换光学/超常材料/光束束宽/线光束Key words
transformation optics/ metamaterials/ beamwidth/ line beam分类
数理科学引用本文复制引用
王如龙,莫玲芝,张锦..应用变换光学理论调控电磁场光束束宽[J].强激光与粒子束,2011,23(3):632-636,5.基金项目
国家自然科学基金项目(60901080) （60901080）
国家科技支撑计划项目(2006BAF01A13) （2006BAF01A13）
国家高技术发展计划项目 （）
