Demonstration of transient collisional excitation x-ray lasers in gases

被引:0
|
作者
Lu, P [1 ]
Kawachi, T [1 ]
Suzuki, M [1 ]
Sukegawa, K [1 ]
Namba, S [1 ]
Tanaka, M [1 ]
Hasegawa, N [1 ]
Tai, R [1 ]
Kishimoto, M [1 ]
Kado, M [1 ]
Nagashima, K [1 ]
Daido, H [1 ]
Kato, Y [1 ]
Fiedorozicz, H [1 ]
机构
[1] Japan Atom Energy Res Inst, Adv Photon Res Ctr, Kyoto 6190215, Japan
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中图分类号
O59 [应用物理学];
学科分类号
摘要
We have demonstrated a high gain neonlike argon ion x-ray laser using a gas puff target. The elongated x-ray laser plasma column was produced by irradiating the gas puff target with line focused double picosecond laser pulses with a total energy of 9 J in a travelling-wave excitation scheme. Strong lasing was observed and a high gain coefficient of 18.7 cm(-1) was measured on the transient collisionally excited 3p S-1(0) - 3s P-1(1) transition for neonlike argon at 46.9 nm with targets up to 0.45-cm long. Preliminary result on the nickellike xenon x-ray laser is also discussed.
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页码:241 / 246
页数:6
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