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Hydrodynamic computational modelling and simulations of collisional shock waves in gas jet targets 被引量:1
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作者 Stylianos Passalidis Oliver CEttlinger +7 位作者 george shicks Nicholas PDover Zulfikar Najmudin Emmanouil PBenis Evaggelos Kaselouris Nektarios APapadogiannis Michael Tatarakis Vasilis Dimitriou 《High Power Laser Science and Engineering》 SCIE CAS CSCD 2020年第1期42-51,共10页
We study the optimization of collisionless shock acceleration of ions based on hydrodynamic modelling and simulations of collisional shock waves in gaseous targets.The models correspond to the specifications required ... We study the optimization of collisionless shock acceleration of ions based on hydrodynamic modelling and simulations of collisional shock waves in gaseous targets.The models correspond to the specifications required for experiments with the CO2 laser at the Accelerator Test Facility at Brookhaven National Laboratory and the Vulcan Petawatt system at Rutherford Appleton Laboratory.In both cases,a laser prepulse is simulated to interact with hydrogen gas jet targets.It is demonstrated that by controlling the pulse energy,the deposition position and the backing pressure,a blast wave suitable for generating nearly monoenergetic ion beams can be formed.Depending on the energy absorbed and the deposition position,an optimal temporal window can be determined for the acceleration considering both the necessary overdense state of plasma and the required short scale lengths for monoenergetic ion beam production. 展开更多
关键词 hydrodynamic simulations ion acceleration laser–plasma interaction
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