Direct field-resolved detection of terahertz transients with amplitudes of megavolts per centimeter
- 15 March 2003
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 28 (6) , 471-473
- https://doi.org/10.1364/ol.28.000471
Abstract
Phase-matched difference-frequency mixing in a thin GaSe crystal within the broad spectrum of 25-fs pulses from a Ti:sapphire oscillator multipass amplifier system permits the generation of few-cycle electric field transients, frequencies up to 30 THz, and amplitudes of more than 1 MV/cm. The field transients generated at a 1-kHz repetition rate are directly measured by electro-optic sampling by 12-fs probe pulses from the 75-MHz repetition-rate Ti:sapphire oscillator in combination with a novel electronic gating technique.Keywords
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