High Power Laser Science and Engineering, 2020, 8 (3): 03000e29, Published Online: Sep. 22, 2020
Ultra-broadband near-infrared NOPAs based on the nonlinear crystals BiBO and YCOB Download: 710次
ultrafast laser high power laser nonlinear optics ultra-broadband noncollinear OPA YCOB and BiBO nonlinear crystal
Abstract
We evaluate and demonstrate ultra-broadband near-infrared noncollinear optical parametric amplification in two nonlinear crystals, bismuth borate (BiBO) and yttrium calcium oxyborate (YCOB), which are not commonly used for this application. The spectral bandwidth is of the microjoule level; the amplified signal is ≥ 200 nm, capable of supporting sub-10 fs pulses. These results, supported by numerical simulations, show that these crystals have a great potential as nonlinear media in both low-energy, few-cycle systems and high peak power amplifiers for terawatt to petawatt systems based on noncollinear optical parametric chirped pulse amplification (NOPCPA) or a hybrid.
Mario Galletti, Hugo Pires, Victor Hariton, Joana Alves, Pedro Oliveira, Marco Galimberti, Gonçalo Figueira. Ultra-broadband near-infrared NOPAs based on the nonlinear crystals BiBO and YCOB[J]. High Power Laser Science and Engineering, 2020, 8(3): 03000e29.