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ISKRA lasers
The ISKRA-4 and ISKRA-5 lasers are lasers which were built by the Soviet Union at RFNC-VNIIEF in Arzamas-16 () with the approximately 2 kJ output ISKRA-4 laser being completed in 1979 and the 30 kJ output ISKRA-5 laser which was completed in 1989. The main use for both lasers being the investigation into inertial confinement fusion, high energy density physics and nuclear weapons research. The Russian laser fusion program was first initiated on the suggestion of Andrei Sakharov in 1962 concerning the possibility that lasers may be capable of achieving the conditions for fusion in imploding spherically symmetrical fuel capsules.
==ISKRA-4==
The ISKRA-4 laser is a spatially filtered (image relayed) 8 beam photolytically pumped iodine gas laser capable of producing laser pulse energies of around 2 kJ (pulsewidth of about 1 ns) at its fundamental emission wavelength of 1.315 micrometers, though it is also capable of operating in a frequency doubled configuration where it emits light at 658 nm with a pulse energy of around 500 J. ISKRA-4 produced its first thermonuclear neutrons from imploding DT fuel capsules in 1981.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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