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Experimental Study of the X-Ray Radiation Source at Approximately Constant Radiation Temperature 被引量:1
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作者 宋天明 杨家敏 +2 位作者 杨冬 李志超 尚万里 《Plasma Science and Technology》 SCIE EI CAS CSCD 2013年第11期1108-1111,共4页
An X-ray radiation source with approximately constant radiation temperature is realized by irradiating golden hohlraum with a shaped laser pulse. A simple theoretical model based on power balance is used to design the... An X-ray radiation source with approximately constant radiation temperature is realized by irradiating golden hohlraum with a shaped laser pulse. A simple theoretical model based on power balance is used to design the shape of the drive laser pulse. Experiments are carried out on the Shenguang III prototype laser facility, and the experimentM results are presented for radiation sources with the flat-top lasting about 2.5 ns at two different peak temperatures of about 150 eV and 170 eV, respectively, including the the drive laser pulses and the time integrated possible improvements are discussed. time histories of the temperatures, the shapes of radiation spectra. The validity of the model and 展开更多
关键词 X-ray radiation source laser pulse shaping power balance
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Few-layer MoS2-deposited microfiber as highly nonlinear photonic device for pulse shaping in a fiber laser [Invited] 被引量:2
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作者 Ai-Ping Luo Meng Liu +3 位作者 Xu-De Wang Qiu-Yi Ning Wen-Cheng Xu Zhi-Chao Luo 《Photonics Research》 SCIE EI 2015年第2期69-78,共10页
Two-dimensional(2D) materials have emerged as attractive mediums for fabricating versatile optoelectronic devices. Recently, few-layer molybdenum disulfide(MoS2), as a shining 2D material, has been discovered to p... Two-dimensional(2D) materials have emerged as attractive mediums for fabricating versatile optoelectronic devices. Recently, few-layer molybdenum disulfide(MoS2), as a shining 2D material, has been discovered to possess both the saturable absorption effect and large nonlinear refractive index. Herein, taking advantage of the unique nonlinear optical properties of MoS2, we fabricated a highly nonlinear saturable absorption photonic device by depositing the few-layer MoS2 onto the microfiber. With the proposed MoS2 photonic device, apart from the conventional soliton patterns, the mode-locked pulses could be shaped into some new soliton patterns, namely,multiple soliton molecules, localized chaotic multipulses, and double-scale soliton clusters. Our findings indicate that the few-layer MoS2-deposited microfiber could operate as a promising highlynonlinear photonic device for the related nonlinear optics applications. 展开更多
关键词 high Mo mode Few-layer MoS2-deposited microfiber as highly nonlinear photonic device for pulse shaping in a fiber laser
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Continued Study on Hohlraum Radiation Source with Approximately Constant Radiation Temperature
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作者 宋天明 杨家敏 +2 位作者 朱托 李志超 黄成武 《Plasma Science and Technology》 SCIE EI CAS CSCD 2016年第4期342-345,共4页
An experiment was performed on the Shenguang III prototype laser facility to continue the study on hohlraum radiation source with approximately constant radiation temperature using a continuously shaped laser pulse.A ... An experiment was performed on the Shenguang III prototype laser facility to continue the study on hohlraum radiation source with approximately constant radiation temperature using a continuously shaped laser pulse.A radiation source with a flattop temperature of about130 e V that lasted about 5 ns was obtained.The previous analytical iteration method based on power balance and self-similar solution of ablation was modified taking into account the plasma movements and it was used to design the laser pulse shape for experiment.A comparison between experimental results and simulation is presented and better agreement was achieved using the modified method.Further improvements are discussed. 展开更多
关键词 X-ray radiation source laser pulse shaping power balance
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