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Phys. Rev. E 67, 016503 (2003) [7 pages]

Single-cycle electromagnetic pulses produced by oscillating electric dipoles

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Zhaoying Wang and Qiang Lin
Institute of Optics and State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310028, China

Zhongyang Wang
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Science, Shanghai 201800, China

Received 5 April 2002; revised 1 October 2002; published 29 January 2003

We report an exact analytic solution of the Maxwell equations that is capable of describing single-cycle electromagnetic pulses beyond the slowly varying envelope approximation. The solution is based on the radiation field emitted by oscillating electric dipoles under the complex-source-point model. The spatiotemporal evolution of single-cycle electromagnetic pulses in free space is illustrated and discussed in detail by using the analytic solution obtained.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevE.67.016503
DOI:
10.1103/PhysRevE.67.016503
PACS:
41.60.-m, 03.50.De, 78.20.Bh