2013/10/14 by C. Vicario, Vicario, C., B. Monoszlai +12
Chemistry · Engineering · Physics and Astronomy · #FOS: Physical sciences #Optics (physics.optics) #Solid State Laser Technologies #Spectroscopy and Laser Applications #Terahertz technology and applications #physics.optics
paper · pdf · doi:10.48550/arxiv.1310.3700
5 pages, 4 figures
arxiv created 2013/10/14 · openalex publication_date 2013/10/14 · arxiv updated 2013/10/15 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We present a study on THz generation in lithium niobate pumped by a powerful and versatile Yb:CaF2 laser. The unique laser system delivers transform-limited pulses of variable duration (0.38-0.65 ps) with pulse energy of up to 15 mJ at a center wavelength of 1030 nm. From theoretical investigations it is expected that those laser parameters are ideally suited for efficient THz generation. Here we present experimental results on both the conversion efficiency and the THz spectral shape for variable pump pulse durations and for different crystal temperatures down to 25 K. We experimentally verify the optimum pump parameters for most efficient and broadband THz generation.