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Demonstration of a neonlike argon soft-x-ray laser with a picosecond-laser-irradiated gas puff target

机译:演示了具有皮秒激光辐照的气体粉扑靶标的氖状氩软X射线激光器

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摘要

We demonstrate a neonlike argon-ion x-ray laser, using a short-pulse laser-irradiated gas puff target. The gas puff target was formed by pulsed injection of gas from a high-pressure solenoid valve through a nozzle in the form of a narrow slit and irradiated with a combination of long, 600-ps and short, 6-ps high-power laser pulses with a total of 10 J of energy in a traveling-wave excitation scheme. Lasing was observed on the 3p ~(1)S_(0)→3s~(1)P_(1) transition at 46.9 nm and the 3d ~(1)P_(1)→3p~(1)P_(1) transition at 45.1 nm. A gain of 11 cm~(-1) was measured on these transitions for targets up to 0.9 cm long.
机译:我们演示了一种使用短脉冲激光辐照的气体粉扑目标的类似氖气的氩离子X射线激光器。抽气靶是通过将高压电磁阀的气体以窄缝的形式通过喷嘴脉冲注入并用600 ps长和6 ps长的高功率激光脉冲组合照射而形成的在行波激励方案中能量总计为10J。在46.9 nm处的3p〜(1)S_(0)→3s〜(1)P_(1)跃迁和3d〜(1)P_(1)→3p〜(1)P_(1)跃迁上观察到激光发射在45.1nm处。对于长达0.9 cm长的目标,在这些过渡处测得的增益为11 cm〜(-1)。

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