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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 21, Iss. 14 — Jul. 15, 1996
  • pp: 1046–1048

Screening of the bias field in terahertz generation from photoconductors

G. Rodriguez and A. J. Taylor  »View Author Affiliations


Optics Letters, Vol. 21, Issue 14, pp. 1046-1048 (1996)
http://dx.doi.org/10.1364/OL.21.001046


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Abstract

We include screening of the bias field by the space charge induced by carrier transport and by the generated terahertz radiation in a model describing the far-field electromagnetic radiation from a large-aperture biased photoconductor triggered by an ultrashort optical pulse. At high fluences, space-charge screening is shown to produce bipolar terahertz waveforms. However, the dominant saturation mechanism is screening of the bias field by the radiated terahertz field.

© 1996 Optical Society of America

History
Original Manuscript: January 16, 1996
Published: July 15, 1996

Citation
G. Rodriguez and A. J. Taylor, "Screening of the bias field in terahertz generation from photoconductors," Opt. Lett. 21, 1046-1048 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-14-1046


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