title: Characterization of 700 μJ T rays generated during high-power laser solid interaction.
abstract: Laser-produced solid density plasmas are well-known as table-top sources of electromagnetic radiation. Recent studies have shown that energetic broadband terahertz pulses (T rays) can also be generated from laser-driven compact ion accelerators. Here we report the measurement of record-breaking T-Ray pulses with energies no less than 0.7 mJ. The terahertz spectrum has been characterized for frequencies ranging from 0.1-133 THz. The dependence of T-Ray yield on incident laser energy is linear and shows no tendencies of saturation. The noncollinear emission pattern and the high yield reveal that the T rays are generated by the transient field at the rear surface of the solid target.
authors: A
authors: A
authors: Gopal
authors: P
authors: P
authors: Singh
authors: S
authors: S
authors: Herzer
authors: A
authors: A
authors: Reinhard
authors: A
authors: A
authors: Schmidt
authors: U
authors: U
authors: Dillner
authors: T
authors: T
authors: May
authors: H-G
authors: HG
authors: Meyer
authors: W
authors: W
authors: Ziegler
authors: G G
authors: GG
authors: Paulus