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.
Terahertz transition radiation
01.01.2004
149370 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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