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Direct time integration of Maxwell's equations in linear dispersive media with absorption for scattering and propagation of femtosecond electromagnetic pulsesThe initial results for femtosecond pulse propagation and scattering interactions for a Lorentz medium obtained by a direct time integration of Maxwell's equations are reported. The computational approach provides reflection coefficients accurate to better than 6 parts in 10,000 over the frequency range of dc to 3 x 10 to the 16th Hz for a single 0.2-fs Gaussian pulse incident upon a Lorentz-medium half-space. New results for Sommerfeld and Brillouin precursors are shown and compared with previous analyses. The present approach is robust and permits 2D and 3D electromagnetic pulse propagation directly from the full-vector Maxwell's equations.
Document ID
19910068686
Document Type
Reprint (Version printed in journal)
Authors
Joseph, Rose M. (Northwestern Univ. Evanston, IL, United States)
Hagness, Susan C. (Northwestern Univ. Evanston, IL, United States)
Taflove, Allen (Northwestern University Evanston, IL, United States)
Date Acquired
August 14, 2013
Publication Date
September 15, 1991
Publication Information
Publication: Optics Letters
Volume: 16
ISSN: 0146-9592
Subject Category
PHYSICS (GENERAL)
Funding Number(s)
CONTRACT_GRANT: NCA2-562
CONTRACT_GRANT: N00014-88-K-0475
Distribution Limits
Public
Copyright
Other