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Point-point imaging and point-parallel imaging beam transmission device and implementation method thereof

A technology of parallel imaging and transmission devices, applied in the application of diffraction/refraction/reflection for processing, accelerators, electrical components, etc., which can solve the problem that particle beams cannot achieve point-to-point transmission.

Pending Publication Date: 2022-05-13
SHENZHEN TECH UNIV
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Problems solved by technology

[0006] In view of the problems existing in the above prior art, focusing on the transmission and application of laser-driven particle beams, and the problem that particle beams cannot achieve point-to-point transmission due to the chromatic aberration effect in non-achromatic transmission, and the limitations of unidirectional achromatic beamlines, this paper The invention proposes a point-point imaging and point-parallel imaging beamline transmission device and its implementation method

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  • Point-point imaging and point-parallel imaging beam transmission device and implementation method thereof
  • Point-point imaging and point-parallel imaging beam transmission device and implementation method thereof
  • Point-point imaging and point-parallel imaging beam transmission device and implementation method thereof

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Embodiment Construction

[0046] The present invention will be further elaborated below through specific embodiments in conjunction with the accompanying drawings.

[0047] Such as figure 1 As shown, the point-point imaging and point-parallel imaging beamline transmission device of this embodiment includes: a first weak focusing magnet M1, a second weak focusing magnet M2 and a triple quadrupole lens; wherein, the first and second weak focusing The focus magnets have the same shape and size, and the deflection directions are opposite; the entrance of the first weak focus magnet is facing the target point T, and there is a first floating section between the entrance of the first weak focus magnet and the target point, and the first floating section length is L 1 , in the laboratory coordinate system X′Y′Z′, the first floating segment is along the Z′ axis; the exit of the first weakly focusing magnet is facing the entrance of the second weakly focusing magnet, and the exit of the first weakly focusing m...

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Abstract

The invention discloses a point-point imaging and point-parallel imaging beam transmission device and an implementation method thereof. A magnet element is arranged in a transmission path, double-achromatic transmission is realized based on a weak focusing effect by utilizing the characteristics that a weak focusing magnet focuses in a horizontal direction X and a vertical direction Y at the same time and analyzes energy in the X direction, the influence of a chromatic aberration effect on particle beam transmission is eliminated, and a particle beam close to a target spot in size is obtained at an outlet of a double-achromatic system. The high brightness characteristic of the laser-driven particle beam is reserved, and point-point imaging of the particle beam with large energy dispersion and large dispersion angle is realized; selecting energy in transmission and shaping an energy spectrum; in addition, the particles with higher energy walk along a longer path, the pulse length is compressed, the short pulse characteristic of the particle beam is reserved, and the requirements of applications such as temperature dense substance research and fast ignition on the space and time characteristics of the particle beam are met; point-parallel imaging is achieved through the ternary quadrupole lens, a particle beam is changed into a large-area collimated beam, and the application requirements of cancer treatment and the like are met.

Description

technical field [0001] The invention relates to particle beam transmission and laser accelerator application technology, in particular to a point-point imaging and point-parallel imaging beam line transmission device and its realization method. Background technique [0002] After the emergence of ultra-intense lasers, the research on the extreme physical conditions achievable by human beings has taken a big step forward with extremely high energy density. The laser plasma effect has increased the acceleration gradient to the order of 100GV / m with a new acceleration mechanism. , can accelerate ions to ~MeV at the micron scale, and accelerate electrons to ~GeV at the centimeter scale, and is expected to become a new generation of compact, low-cost accelerators used in many fields. [0003] The proton beam produced by the interaction between super-intensive laser and plasma has the characteristics of small initial beam spot (~10μm), pulse length ps level, high current, and wide...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21K1/06G21K1/093H05H7/00
CPCG21K1/093G21K1/065H05H7/001H05H2007/002H05H2007/007
Inventor 朱军高卢海洋周沧涛赵媛赖美福古永力
Owner SHENZHEN TECH UNIV
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