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LIFE, short for Laser Inertial Fusion Energy, was a fusion energy effort run at Lawrence Livermore National Laboratory between 2008 and 2013. LIFE aimed to develop the technologies necessary to convert the laser-driven inertial confinement fusion concept being developed in the National Ignition Facility (NIF) into a practical commercial power ...
10-beam NIR and frequency-tripled 351 nm UV laser; fusion yield of 10 13 neutrons; attempted ignition, but failed due to fluid instability of targets; led to construction of NIF: 1.3 PW: 120 kJ: 30 J: Livermore: LLNL: ISKRA-5: Operational-1989: 12-beam iodine gas laser, fusion yield 10 10 to 10 11 neutrons [93] 100 TW: 30 kJ: 0.3 J: Sarov: RFNC ...
Laser beams or laser-produced X-rays rapidly heat the surface of the fusion target, forming a surrounding plasma envelope. Fuel is compressed by the rocket-like blowoff of the hot surface material. During the final part of the capsule implosion, the fuel core reaches 20 times the density of lead and ignites at 100,000,000 ˚C.
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 ...
A NIF fusion shot on September 27, 2013, produced more energy than was absorbed by the deuterium–tritium fuel. [120] This has been confused with having reached "scientific breakeven", [121] [122] defined as the fusion energy exceeding the laser input energy. [123] Using this definition gives 14.4 kJ out and 1.8 MJ in, a ratio of 0.008. [120]
A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The word laser originated as an acronym for light amplification by stimulated emission of radiation.
The first Soviet fusion bomb test, RDS-6s, American codename "Joe 4", demonstrated the first fission/fusion/fission "layercake" design, limited below the megaton range, with less than 20% of the yield coming directly from fusion. It was quickly superseded by the Teller-Ulam design. This was the first aerial drop of a fusion weapon.
In November 2022, Nakamura co-founded Blue Laser Fusion, a commercial fusion company, with Hiroaki Ohta, a former president of Tokyo-based drone maker ACSL. [26] In July 2023, Blue Laser Fusion raised $25 million from venture capital firm JAFCO Group and the Mirai Creation Fund, which is backed by Toyota Motor and other investors and managed by ...