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Optics Letters

Optics Letters


  • Vol. 26, Iss. 24 — Dec. 15, 2001
  • pp: 2002–2004

Propagation of single-cycle terahertz pulses in random media

Jeremy Pearce and Daniel M. Mittleman  »View Author Affiliations

Optics Letters, Vol. 26, Issue 24, pp. 2002-2004 (2001)

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We describe what are to our knowledge the first measurements of the propagation of coherent, single-cycle pulses of terahertz radiation in a scattering medium. By measuring the transmission as a function of the length L of the medium, we extract the scattering mean free path ls(ω) over a broad bandwidth. We observe variations in ls ranging over nearly 2 orders of magnitude and covering the entire thin sample regime from L/ls<<1 to L/ls~10 . We also observe scattering-induced dispersive effects, which can be attributed to the additional path traveled by photons scattered at small angles.

© 2001 Optical Society of America

OCIS Codes
(290.7050) Scattering : Turbid media
(300.6270) Spectroscopy : Spectroscopy, far infrared

Jeremy Pearce and Daniel M. Mittleman, "Propagation of single-cycle terahertz pulses in random media," Opt. Lett. 26, 2002-2004 (2001)

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