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Phys Rev Lett. 2003 Jul 25;91(4):043903. Epub 2003 Jul 24.

Statistics of multiply scattered broadband terahertz pulses.

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  • 1Department of Electrical and Computer Engineering, MS 366, Rice University, Houston, Texas 77251-1892, USA.


We describe the first measurements of the diffusion of broadband single-cycle optical pulses through a highly scattering medium. Using terahertz time-domain spectroscopy, we measure the electric field of a multiply scattered wave with a time resolution shorter than one optical cycle. This time-domain measurement provides information on the statistics of both the amplitude and phase distributions of the diffusive wave. We develop a theoretical description, suitable for broadband radiation, which adequately describes the experimental results.

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