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Temperature Controlled Filamentation in Argon Gas |
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| Authors: | CAO Shi-Ying KONG Wei-Peng SONG Zhen-Ming QIN Yu LI Ru-Xin WANG Qing-Yue ZHANG Zhi-Gang |
| Institution: | Institute of Quantum Electronics, School of Electronics Engineering and Computer Science, Peking University, Beijing 100871Ultrafast Laser Laboratory, School of Precision Instrument and Optoelectronics Engineering, Key Laboratory of Optoelectronic Information Technical Science, EMC, Tianjin University, Tianjin 300072State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, PO Box 800-211, Shanghai 201800 |
| Abstract: | Temperature controlled filamentation is experimentally demonstrated in a temperature gradient gas-filled tube. The proper position of the tube is heated by a furnace and two ends of the tube are cooled by air. The experimental results show that multiple filaments are shrunken into a single filament or no filament only by increasing the temperature at the beginning of the filament. This technique offers another degree of freedom of controlling the filamentation and opens a new way for intense monocycle pulse generation through gradient temperature in a noble gas. |
| Keywords: | 42 65 Re 42 65 Jx 42 65 Sf |
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