A source of terhertz (THz) radiation based on the free-electron laser, where a plasma wave plays the role of undulator, is theoretically studied. This scheme can generate coherent photons in the range of 0.1–10 THz. The feasible physical parameters in laboratories are estimated.
© 2012 Optical Society of America
Lasers and Laser Optics
Original Manuscript: October 4, 2012
Manuscript Accepted: October 26, 2012
Published: December 12, 2012
Seunghyeon Son, Sung Joon Moon, and Jaeyoung Park, "Langmuir wave undulator for terahertz radiation," Opt. Lett. 37, 5172-5174 (2012)