A photoanode proton source
A technology of proton source and photoanode, applied in the field of plasma, can solve the problems of large divergence angle of laser-accelerated proton beam, bulky proton accelerator, and complex structure, and achieve good collimation, simple structure, and good synchronization performance
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Embodiment 1
[0028] figure 1 is a structural schematic diagram of the photoanode proton source of the present invention, figure 2 It is a structural schematic diagram of the hydrogen-rich magnetic tape target in the present invention. exist figure 1 , figure 2Among them, the photoanode proton source of the present invention includes a TW-class laser 1 and a vacuum target chamber 2, the vacuum target chamber 2 is provided with a window 201, and a plane mirror 3 and an off-axis parabolic reflective focusing mirror are placed in the vacuum target chamber 2 4. Hydrogen-rich magnetic tape target assembly 5, solenoid 6, RF cavity 7 and energy selection system 8; the infrared laser beam emitted by TW-class laser 1 passes through the window 201 of the vacuum target chamber 2 and shoots to the vacuum chamber located in the vacuum target chamber 2 On the plane mirror 3; the laser beam reflected by the plane mirror 3 is shot on the off-axis parabolic reflective focusing mirror 4; the hydrogen-ri...
Embodiment 2
[0042] The basic structure of this embodiment is the same as that of Embodiment 1, except that the solenoid is placed at a position 8mm downstream from the strip-shaped hydrogen-rich metal thin film target surface; the two accelerations in the RF chamber 7 The gap width is 2.2cm, and the accelerating voltage is 3.8MV / m.
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