Electron beam pumped krypton fluoride lasers for fusion energy
作者： J.D. Sethian , R.V. Smilgys , S.B. Swanekamp , D. Weidenheimer , D. Giorgi
DOI: 10.1109/JPROC.2004.829051
关键词: Pulsed power 、 Nike laser 、 Fusion power 、 Laser science 、 Materials science 、 Optics 、 Excimer laser 、 Inertial confinement fusion 、 Laser 、 Beam (structure)
摘要: High-energy electron beam pumped krypton fluoride (KrF) gas lasers are an attractive choice for inertial fusion energy (IFE). Their short wavelength and demonstrated high uniformity optimizes the laser-target physics, their pulsed power technology scales to a large system. This paper presents principals of this type laser progress toward developing technologies that can meet IFE requirements repetition rate (5 Hz), efficiency (>6%), durability (>3/spl times/10/sup 8/ shots). The Electra at Naval Research Laboratory (NRL) has produced >500 J light in 5-Hz bursts. on NRL Nike (3000 J, single shot) shown overall should be greater than 7%. is based recent advances stabilization transport, deposition, KrF power. latter includes development new solid-state triggered switch will basis system efficiency, durability, cost. major remaining challenge develop long-lived hibachi foils (e-beam transmission windows). Based experiments, may achievable by periodically deflecting gas.
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