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Optimization of Drive Pulse Configuration for a High-Gain Transient X-Ray Laser at 19.6nm |
| LU Xin;LI Ying-Jun;ZHANG Jie |
| Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080
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| Cite this article: |
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LU Xin, LI Ying-Jun, ZHANG Jie 2001 Chin. Phys. Lett. 18 1353-1355 |
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Abstract An Ne-like transient collisional excitation x-ray laser at 19.6 nm ( J = 0 → 1, 3p → 3s) was investigated numerically using a sophistic hydrodynamic code for a 100 μm thick Ge planar target irradiated by a nano-second prepulse followed by a picosecond main optical laser pulse. The simulations indicate that for a given peak intensity, the main pulse has an optimal duration to generate the maximum effective gain. An effective gain as high as 200 cm-1 was obtained for the optimized drive pulse configuration.
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| Keywords:
42.55.Vc
52.59.Ye
52.50.Jm
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Published: 01 October 2001
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| PACS: |
42.55.Vc
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(X- and γ-ray lasers)
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52.59.Ye
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(Plasma devices for generation of coherent radiation ?)
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52.50.Jm
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(Plasma production and heating by laser beams (laser-foil, laser-cluster, etc.))
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