Wednesday, November 19, 2014
Abstract-Generation of 0.9-mJ THz pulses in DSTMS pumped by a Cr:Mg2SiO4 laser
Optics Letters, Vol. 39, Issue 23, pp. 6632-6635 (2014)
We report on high-field terahertz transients with 0.9-mJ pulse energy produced in a
partitioned organic crystal by optical rectification of a 30-mJ laser pulse centered at 1.25 μm wavelength. The phase-locked single-cycle terahertz pulses cover the hard-to-access low-frequency range between 0.1 and 5 THz and carry peak fields of more than 42 MV/cm and 14 Tesla with the potential to reach over 80 MV/cm by choosing appropriate focusing optics. The scheme based on a laser offers a high conversion efficiency of 3% using uncooled organic crystal. The collimated pump laser configuration provides excellent terahertz focusing conditions.
© 2014 Optical Society of America