Collection Of theses on high power laser and plasma physics, 2013, 11 (1): 0029, Published Online: Jun. 2, 2017
Beam positioning stability analysis on large laser facilities
beam stability beam stability beam propagation beam propagation sensitivity sensitivity laser optics laser optics vibration vibration
Abstract
Beam positioning stability in a laser-driven inertial confinement fusion (ICF) facility is a vital problem that needs to be fixed. Each laser beam in the facility is transmitted in lots of optics for hundreds of meters, and then targeted in a micro-sized pellet to realize controllable fusion. Any turbulence in the environment in such long-distance propagation would affect the displacement of optics and further result in beam focusing and positioning errors. This study concluded that the errors on each of the optics contributed to the target, and it presents an efficient method of enhancing the beam stability by eliminating errors on error-sensitive optics. Optimizations of the optical system and mechanical supporting structures are also presented.
Fang Liu, Zhigang Liu, Liunian Zheng, Hongbiao Huang, Jianqiang Zhu. Beam positioning stability analysis on large laser facilities[J]. Collection Of theses on high power laser and plasma physics, 2013, 11(1): 0029.