The use of ultra-high intensity laser beams to achieve extreme material states in the laboratory has become almost routine with the development of the petawatt laser. Petawatt class lasers have been constructed for sp...The use of ultra-high intensity laser beams to achieve extreme material states in the laboratory has become almost routine with the development of the petawatt laser. Petawatt class lasers have been constructed for specific research activities,including particle acceleration, inertial confinement fusion and radiation therapy, and for secondary source generation(x-rays, electrons, protons, neutrons and ions). They are also now routinely coupled, and synchronized, to other large scale facilities including megajoule scale lasers, ion and electron accelerators, x-ray sources and z-pinches. The authors of this paper have tried to compile a comprehensive overview of the current status of petawatt class lasers worldwide.The definition of ‘petawatt class' in this context is a laser that delivers >200 TW.展开更多
Achieving ignition of ICF(inertial confinement fusion)has been the great dream that scientists all over the world pursue.As a grand challenge,this aim requires energetic and high quality lasers.High power laser facili...Achieving ignition of ICF(inertial confinement fusion)has been the great dream that scientists all over the world pursue.As a grand challenge,this aim requires energetic and high quality lasers.High power laser facilities,for this purpose,have therefore flourished over the past several decades.Meanwhile high power laser facilities,also essential for high-energy-density(HED)scientific research and astrophysics,drive rapid progress of material science,electronics,precision machinery and so on.Many countries have successfully established a succession of facilities to study ICF and HED physics,such as National Ignition Facility(NIF)[1]in the United States and the Laser Megajoule(LMJ)in France[2].展开更多
文摘The use of ultra-high intensity laser beams to achieve extreme material states in the laboratory has become almost routine with the development of the petawatt laser. Petawatt class lasers have been constructed for specific research activities,including particle acceleration, inertial confinement fusion and radiation therapy, and for secondary source generation(x-rays, electrons, protons, neutrons and ions). They are also now routinely coupled, and synchronized, to other large scale facilities including megajoule scale lasers, ion and electron accelerators, x-ray sources and z-pinches. The authors of this paper have tried to compile a comprehensive overview of the current status of petawatt class lasers worldwide.The definition of ‘petawatt class' in this context is a laser that delivers >200 TW.
文摘Achieving ignition of ICF(inertial confinement fusion)has been the great dream that scientists all over the world pursue.As a grand challenge,this aim requires energetic and high quality lasers.High power laser facilities,for this purpose,have therefore flourished over the past several decades.Meanwhile high power laser facilities,also essential for high-energy-density(HED)scientific research and astrophysics,drive rapid progress of material science,electronics,precision machinery and so on.Many countries have successfully established a succession of facilities to study ICF and HED physics,such as National Ignition Facility(NIF)[1]in the United States and the Laser Megajoule(LMJ)in France[2].
