LASER FUSION DEVICE AND NUCLEAR FUSION GENERATING METHOD

摘要

A target shell monitoring device 4 that monitors an attitude and a position of the target shell Tg1, a compression laser output device 5a that irradiates the target shell Tg1 with a compression laser light LS1, and a heating laser output device 6 that irradiates the target shell Tg1 with a heating laser light LS3 following the compression laser light LS1 are provided. The target shell Tg1 has a hollow spherical shell shape, includes an approximately spherical space Sp on an inner side thereof, includes at least one through hole H1 connecting an outer side thereof and the space Sp, and includes, on an outer surface Sf1 thereof, irradiation areas Ar1 and Ar2 to be irradiated with compression laser lights.

主权项

1. A laser fusion device comprising:
a target shell that generates a nuclear fusion reaction; a chamber in which the target shell generates the nuclear fusion reaction; a target shell supply device that supplies the target shell to a reference point on an inner side of the chamber; a target shell monitoring device that monitors a state of the target shell supplied to the chamber by the target shell supply device; a compression laser output device that outputs a compression laser light for compressing the target shell to the target shell; a heating laser output device that outputs a heating laser light for heating the target shell to the target shell; and a control device that controls the target shell supply device, the compression laser output device, and the heating laser output device, wherein the target shell has a hollow spherical shell shape, includes, on an inner side of the target shell, a spherical space demarcated by an inner surface of the target shell, includes at least one through hole connecting an outer side of the target shell and the space on the inner side of the target shell, and includes, on an outer surface of the target shell, an irradiation area to be irradiated with a compression laser light, and the compression laser output device includes
a compression laser that outputs the compression laser light for compressing the target shell; anda condensing optical device for compression, that condenses the compression laser light, which is output from the compression laser, toward the irradiation area of the target shell, and the heating laser output device includes
a heating laser that outputs a heating laser light for heating the target shell; anda condensing optical device for heating, that condenses a heating laser light,which is output from the heating laser, toward the through hole of the target shell, and
the control device includes
a target shell supply unit that controls the target shell supply device so as to supply the target shell to the chamber,a timing calculation unit that calculates an arrival timing, at which the target shell supplied by the target shell supply unit arrives at the reference point, based on a monitoring result by the target shell monitoring device, and calculate, based on the arrival timing, a compression laser light output timing at which the compression laser outputs the compression laser light and a heating laser light output timing at which the heating laser outputs the heating laser light following the compression laser light output timing,a light condensing unit that controls the condensing optical device for compression based on the monitoring result by the target shell monitoring device so as to condense the compression laser light, which is output from the compression laser, toward the irradiation area of the target shell at the compression laser light output timing calculated by the timing calculation unit, and control the condensing optical device for heating based on the monitoring result by the target shell monitoring device so as to condense the heating laser light, which is output from the heating laser at the heating laser light output timing calculated by the timing calculation unit, toward the through hole of the target shell; andan output unit that controls the compression laser so as to output a compression laser light at the compression laser light output timing calculated by the timing calculation unit, and control the heating laser so as to output a heating laser light at the heating laser light output timing calculated by the timing calculation unit, after the condensing optical device for compression and the condensing optical device for heating are controlled by the light condensing unit.