Capillary discharge soft X-ray lasing in Ne-like Ar pumped by low main current pulses |
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Authors: | Y Xie Y P Zhao M Z Mo T Liu Q Wang |
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Institution: | (1) National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin, 150001, China |
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Abstract: | Under the condition of the low main current pulse, the capillary discharge soft X-ray laser is obtained. The laser energy of the same discharge current amplitude at different Ar pressures and of different current amplitudes at the same Ar pressure are compared, respectively. At different Ar pressures, the amplitude of the main current pulse evidently impacts the soft X ray, especially at a pressure higher than 30 Pa. In order to obtain the laser output at a high Ar pressure, the amplitude should be increased. However, at the same Ar pressure, it might have an optimum current, in which case the laser spike is the highest and the most stationary. The laser achieving time at different amplitudes is also discussed. As far as we know, this is the first time the influence of the amplitude of the main current pulse has been analyzed. |
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