“天光一号”平滑化角多路系统的建立
Development of new angular multiplexing for “Heaven Ⅰ”
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摘要: 采用诱导空间非相干（FEISI）的平滑方法结合传递傅里叶面的技术，建立了一套平滑化六束角多路系统。该系统输出总能量158 J，能量稳定度约4％，输出脉冲宽度25 ns，靶面有效焦斑直径400 μm，焦斑均匀性1.6％，激光功率密度3.7×1012 W/cm2。Abstract: Adopting the echelon-free induced spatial incoherence (EFISI) technique and image relay technique, a new angular multiplexing with smoothing function was built. The total energy of 6 beams is 158 J, the stability of energy is 4%, the pulse duration is 25 ns, the effective diameter of focusing spot is 400 μm, the ununiformity is about 1.6%, and the power density on the target is about 3.7×1012 W/cm2.
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Key words:
- angular multiplexing /
- uniformity /
- power density /
- image relay
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