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LAN Xiao-fei, LU Jian-xin, HUANG Yong-sheng, WANG Lei-jian, XI Xiao-feng, TANG Xiu-zhang, YING Chun-tong. Experimental Research of Fast Proton Generated From Ultrashort Intense Laser Pulses Interaction With Different Thickness Al Foils[J]. Atomic Energy Science and Technology, 2013, 47(2): 299-302. DOI: 10.7538/yzk.2013.47.02.0299
Citation: LAN Xiao-fei, LU Jian-xin, HUANG Yong-sheng, WANG Lei-jian, XI Xiao-feng, TANG Xiu-zhang, YING Chun-tong. Experimental Research of Fast Proton Generated From Ultrashort Intense Laser Pulses Interaction With Different Thickness Al Foils[J]. Atomic Energy Science and Technology, 2013, 47(2): 299-302. DOI: 10.7538/yzk.2013.47.02.0299
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Experimental Research of Fast Proton Generated From Ultrashort Intense Laser Pulses Interaction With Different Thickness Al Foils

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  • The results of the generation of fast protons from 5 μm and 2.1 μm aluminum foils by 120 fs laser irradiation at 4×1016 W/cm2 were presented. A Thomson spectrometer and CR-39 solid track detector were used to measure proton energy spectra. The maximum proton energy is 140 keV for 5 μm aluminum foil, and is 170 keV for 2.1 μm aluminum foil. The proton yield of 2.1 μm aluminum foil is higher than that of 5 μm aluminum foil for one order of magnitude.
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