4.1 Article

Pressure of picosecond CPA laser pulses substitute ultrahigh thermal pressures to ignite fusion

Journal

HIGH ENERGY DENSITY PHYSICS
Volume 35, Issue -, Pages -

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ELSEVIER
DOI: 10.1016/j.hedp.2019.100739

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Nuclear reactions produce ten million times more energy than the chemical reactions e.g. from burning carbon, but the equilibrium thermal pressures for chemical reactions need temperatures of hundred degrees C while nuclear burns need many dozens of million degrees C. This is on the level for ITER or at NIF with using nanosecond laser pulses. In contrast, non-thermal pressures can be higher by lasers using nonlinear forces of picoseconds or shorter duration as computer results of 1978 had demonstrated by non-thermal plasma-block acceleration. This is in full agreement with the ultrahigh acceleration measured by Sauerbrey since 1996 thanks to his use of ultra-extreme powers of picosecond CPA-laser pulses. Even the very inefficient classical fusion of hydrogen with the 11B can be used for the non-thermal reaction with sufficiently modest heating in a reactor for generation electricity.

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