1 kHz, 10 mJ, sub-200 fs regenerative amplifier utilizing a dual-crystal configuration of Yb:CaGdAlO4 featuring exceptional beam quality

J Zhu, J Song, Y Peng, L Shen, G Gao, Y Liu… - Optics Express, 2024 - opg.optica.org
In order to boost the energy of the femtosecond regenerative amplifier (RA), we adopt the
chirped pulse amplification technique to stretch the seed pulses through the Martinez …

[HTML][HTML] Optimization of Yb:CaF2 Transparent Ceramics by Air Pre-Sintering and Hot Isostatic Pressing

X Li, C Hu, L Guo, J Wu, G Toci, A Pirri, B Patrizi… - Ceramics, 2024 - mdpi.com
Yb: CaF2 transparent ceramics represent a promising laser gain medium for ultra-short
lasers due to their characteristics: low phonon energy, relatively high thermal conductivity …