Multi-stage FEL amplifier with diaphragm focusing line as direct energy driver for inertial confinement fusion

It is proposed to use multi-stage FEL amplifier with a diaphragm focusing line as direct energy driver for inertial confinement fusion. The driving beam for the FEL amplifier is generated by the linear induction accelerator. The laser system operates at a radiation wavelength of 0.5 μm with the tota...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 1996-06, Vol.375 (1), p.389-392
Main Authors: Saldin, E.L., Schneidmiller, E.A., Ulyanov, Yu.N., Yurkov, M.V.
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION
ENGINEERING NOT INCLUDED IN OTHER CATEGORIES
FOCUSING
FREE ELECTRON LASERS
INERTIAL CONFINEMENT
PARTICLE ACCELERATORS
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Summary:It is proposed to use multi-stage FEL amplifier with a diaphragm focusing line as direct energy driver for inertial confinement fusion. The driving beam for the FEL amplifier is generated by the linear induction accelerator. The laser system operates at a radiation wavelength of 0.5 μm with the total energy of laser flash of 1.5 MJ, pulse duration of 4 ns and repetition rate of 40 pulses per second. Total efficiency (i.e. conversion efficiency of net electrical power to the radiation power) of the proposed system is equal to 12%. The brightness of the output radiation is 10 22 W/cm 2 sr. The scale and the cost of the FEL based energy driver are close to those of the heavy ion fusion driver.
ISSN:0168-9002
1872-9576
DOI:10.1016/0168-9002(95)01326-1