Terahertz transition radiation

descriptionPublicationkeyboard_double_arrow_right Article 04 Oct 2006Publisher:IEEEJournal:Infrared and Millimeter Waves, Conference Digest of the 2004 Joint 29th International Conference on 2004 and 12th International Conference on Terahertz Electronics, 2004.

Authors: A.S. Nikoghosyan; E.M. Laziev; R.M. Martirosyan; A.A. Hakhoumian; J.M. Chamberlain; R.A. Dudley; N.N. Zinov'ev;

doi: 10.1109/icimw.2004.1422002

Terahertz transition radiation

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Abstract

We report on the observation of transition radiation generated by short optical pulses crossing the boundary between linear and non-linear materials. Unlike transition radiation observed with moving charges, we observe terahertz generation at the boundary between two media traversed by a femtosecond optical pulses. Contribution from bulk nonlinear difference frequency generation is also observed, but for the first time these effects can be separated.

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Yerevan State University
Armenia

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