Novel setups for extremely high power single-cycle terahertz pulse generation by optical rectification

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Abstract

Recently, the generation of near-single-cycle terahertz pulses with 10 μJ energy was demonstrated by optical rectification of ultrashort laser pulses with tilted pulse front in LiNb O3. Here, an optimized imaging setup is proposed for the creation of the tilted pulse front inside the LiNb O3 crystal. Furthermore, a compact setup is proposed which creates the tilted pulse front without imaging, where there is no principal limitation on the pump spot size and, hence, on the terahertz energy. According to model calculations, application of these setups can increase the efficiency by one order of magnitude for 5 mm spot size.

Original languageEnglish
Article number171107
JournalApplied Physics Letters
Volume92
Issue number17
DOIs
Publication statusPublished - May 9 2008

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ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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