Abstract
We demonstrate highly intense, monocycle 0.6-terahertz (THz) vortex generation by utilizing a Tsurupica spiral phase plate in combination with a tilted-pulse front pumping optical rectification THz generator formed of a prism-cut LiNbO3 crystal. A maximum THz vortex pulse energy of 2.3 μJ was obtained.
© 2016 Optical Society of America
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