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Conferences > UP > 2004 > ME > ME65
  • 14th International Conference on Ultrafast Phenomena
  • Technical Digest (CD) (Optica Publishing Group, 2004),
  • paper ME65

Ultra-wide bandwidth terahertz emission from a semiconductor irradiated with intense, radially polarized, Bessel-Gauss pulses

K. J. Chau and A. Y. Elezzabi

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Abstract

Terahertz generation from a radially-polarized Bessel-Gauss pulse focused onto a semiconductor is investigated. Current densities (1011 A/m2) exceeding those in typical photoconductive emitters and broadband (≥25 THz) emission result from strong ponderomotive and electrostatic screening.

© 2004 Optical Society of America

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