This work is partially supported by the Fundacao para a Ciencia e a Tecnologia(grant agreement No.PD/BD/135222/2017);has been carried out within the framework of Laserlab-Portugal(National Roadmap of Research Infrastructures,22124);the European Union Horizon 2020 research and innovation program under grant agreement No.654148 Laserlab-Europe.
We address the power scaling issue in end-pumped laser rod amplifiers by studying,experimentally and numerically,the magnitude of thermal lensing in a high-energy diode-pumped Yb:YAG crystal.The spatio-temporal temper...
supported by the Shanghai Rising Star Program (No. 09QB1401700);the National Natural Science Foundation of China (No. 60908011);the National High Technology Research and Development Program of China (No. 2008AA03Z405);the National Science and Technology Major Project and the CAS/SAFEA International Partnership Program for Creative Research Teams (No. 2010ZX04013)
We report a 1 018-nm ytterbium-doped double-clad fiber laser pumped by 970-nm diode. A pair of fiber Bragg gratings with refiectivities of 99.970 and 9% at a center wavelength of 1 018.9 nm are employed as cavity mirr...