Towards mJ-level ultrashort Terahertz generated by optical rectification with a compact Terawatt laser

Jean-Gabriel Brisset, Pierre Sevillano, Emilien Gontier,Antoine Courjaud

2019 44TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ)（2019）

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摘要

We report on the development of a compact diodepumped Terawatt laser for generation of intense Terahertz pulses by optical rectification in LiNbO3. Using a 15mJ compact ultrafast laser already allowed to demonstrate 150μJ Terahertz, with 0,36% conversion efficiency. We report on a laser delivering 250mJ at 50Hz repetition rate and 480fs pulse duration, holding the potential to generate 1mJ-level Terahertz ultrashort in an equivalent setup.

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关键词

optical rectification,compact terawatt laser,intense terahertz pulses,compact ultrafast laser,conversion efficiency,repetition rate,pulse duration,towards mJ-level ultrashort terahertz,energy 15.0 mJ,energy 150.0 muJ,time 480.0 fs,energy 250.0 mJ,frequency 50.0 Hz

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