Abstract

The interaction between an intense laser and a cotraveling relativistic dense electron beam could result in the downshifting of the laser frequency. It is theoretically analyzed that this process can generate a coherent terahertz radiation. The radiation energy could reach the order of 1 mJ per shot in the duration of 100 ps, or a temporal radiation power of 10 MW, with a set of practically relevant parameters.

© 2013 Optical Society of America

Ultra-brilliant GeV betatronlike radiation from energetic electrons oscillating in frequency-downshifted laser pulses

Yu Lu, Guo-Bo Zhang, Jie Zhao, Yan-Ting Hu, Hao Zhang, Dong-Ao Li, Qian-Ni Li, Yue Cao, Yan-Bo Wu, Yan Yin, Fu-Qiu Shao, and Tong-Pu Yu
Opt. Express 29(6) 8926-8940 (2021)

Langmuir wave undulator for terahertz radiation

Seunghyeon Son, Sung Joon Moon, and Jaeyoung Park
Opt. Lett. 37(24) 5172-5174 (2012)

Difference-frequency generation of 4-μm radiation from Nd:YAG lasers

S. K. Wong, R. Oliver, K. L. Schepler, and D. L. Fenimore
Opt. Lett. 19(18) 1433-1435 (1994)

Increased frequency conversion of Nd:YAG laser radiation with a variable-reflectivity mirror

A. Parent and P. Lavigne
Opt. Lett. 14(8) 399-401 (1989)

Coherent 70.9-nm radiation generated in neon by frequency tripling the fifth harmonic of a Nd:YAG laser

A. Lago, R. Wallenstein, Chuangtian Chen, Y. X. Fan, and R. L. Byer
Opt. Lett. 13(3) 221-223 (1988)