High-power, tunable accelerator-based terahertz radiation is demonstrated. By electron-beam manipulation through laser heater beating, tunable capability from 7.8 to 30.8 THz, narrow spectral bandwidths (ranging from 7.7% to 14.7%) and pulse energies up to 385 μJ are obtained.
- Yin Kang
- Tong Li
- Zhentang Zhao