Article

Soft-x-ray lasing at 32.6 nm in Ne-like Ti ions driven by 40 J of energy from two 650-ps laser pulses

Jie ZhangDepartment of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, United KingdomS. T. ChunyuDepartment of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, United KingdomYang YouDepartment of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, United KingdomQ. R. ZhangDepartment of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, United KingdomSen YangDepartment of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, United KingdomWenjing HuangDepartment of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, United KingdomDifu WuDepartment of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, United KingdomX. Q. ZhuangDepartment of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, United KingdomS. P. LiuDepartment of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, United KingdomYi CaiDepartment of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, United KingdomFanghui DuDepartment of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, United KingdomXiaolong YuanDepartment of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, United KingdomXiaofeng WeiDepartment of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, United KingdomYongkang ZhaoDepartment of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, United KingdomHaojie PengDepartment of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, United KingdomJoseph NilsenDepartment of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, United Kingdom

Physical Review Ajournal1996en

ABI

Abstract

Using only 40 J of drive energy in a 650-ps main pulse we demonstrated lasing on the J=0\ensuremath{\rightarrow}1, 3p\ensuremath{\rightarrow}3s transition in neonlike titanium at 32.6 nm. This is an order of magnitude smaller drive energy than has been used previously to drive low-Z neonlike x-ray lasers. We present a series of experiments using titanium slab targets which study the threshold for lasing in neonlike titanium when the 1.8-cm-long targets are illuminated by a low-intensity prepulse 5 ns before the main optical drive pulse of the 1.05-\ensuremath{\mu}m Xingguang Nd-glass laser. For a 1% prepulse, the energy threshold is measured to be 40 J, which contrasts with 110 J for a 9% prepulse. In both cases, the 32.6-nm Ti lasing line peaks 5 mrad off-axis with divergences of 4 and 5 mrad for the 1% and 9% prepulse cases, respectively. \textcopyright{} 1996 The American Physical Society.

Topics

Laser-Matter Interactions and Applications Cold Atom Physics and Bose-Einstein Condensates Atomic and Molecular Physics

Identifiers

DOI: 10.1103/physreva.53.3640

Citations and references

Cited by 1 18 references

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