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High efficiency THz generation in DSTMS, DAST and OH1 pumped by Cr:forsterite laser.

Type of publication Peer-reviewed
Publikationsform Original article (peer-reviewed)
Publication date 2015
Author Vicario C, Jazbinsek M, Ovchinnikov A V, Chefonov O V, Ashitkov S I, Agranat M B, Hauri C P,
Project A bright and coherent keV x-ray source based on efficient high-order harmonic generation
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Original article (peer-reviewed)

Journal Optics express
Volume (Issue) 23(4)
Page(s) 4573 - 80
Title of proceedings Optics express

Abstract

We investigated Terahertz generation in organic crystals DSTMS, DAST and OH1 directly pumped by a Cr:forsterite laser at central wavelength of 1.25 μm. This pump laser technology provides a laser-to-THz energy conversion efficiency higher than 3 percent. Phase-matching is demonstrated over a broad 0.1-8 THz frequency range. In our simple setup we achieved hundred μJ pulses in tight focus resulting in electric and magnetic field larger than 10 MV/cm and 3 Tesla.
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