TITLE

Terahertz Kerr effect

AUTHOR(S)
Hoffmann, Matthias C.; Brandt, Nathaniel C.; Hwang, Harold Y.; Yeh, Ka-Lo; Nelson, Keith A.
PUB. DATE
December 2009
SOURCE
Applied Physics Letters;12/7/2009, Vol. 95 Issue 23, p231105
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We have observed optical birefringence in liquids induced by single-cycle terahertz pulses with field strengths exceeding 100 kV/cm. The induced change in polarization is proportional to the square of the terahertz electric field. The time-dependent terahertz Kerr signal is composed of a fast electronic response that follows the individual cycles of the electric field and a slow exponential response associated with molecular orientation.
ACCESSION #
46708395

 

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