Detection of THz pulses by phase retardation in lithium tantalate

Peter Uhd Jepsen, C. Winnewisser, M. Schall, V. Schyja, S. R. Keiding, H. Helm

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Freely propagating THz pulses are recorded in a thin lithium tantalate crystal by monitoring the phase retardation of a femtosecond probe pulse. This technique permits the determination of the temporal shape of the THz pulse in the picosecond time domain and offers the exciting prospect of up-converting the spatial THz beam profile into the optical wavelength range in real time, with potential application in diagnostics.
Original languageEnglish
JournalPhysical Review E. Statistical, Nonlinear, and Soft Matter Physics
Volume53
Issue number4
Pages (from-to)R3052-R3054
Number of pages3
ISSN1063-651X
Publication statusPublished - Apr 1994
Externally publishedYes

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