Low-energy heavy ion accelerator and acceleration method

A heavy ion and accelerator technology, applied in accelerators, electrical components, etc., to achieve the effects of compact size and weight, high beam transmission efficiency, and strong compatibility

Active Publication Date: 2021-07-09
INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, it is difficult for existing accelerators to combine the characteristics of low-energy ion beams to meet the requirements of acceleration efficiency and beam transmission efficiency.

Method used

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  • Low-energy heavy ion accelerator and acceleration method
  • Low-energy heavy ion accelerator and acceleration method

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Embodiment

[0033] see figure 1 and figure 2 , the low-energy heavy ion accelerator provided by the present embodiment includes a pulsed power source (not shown) with a timing control function and a plurality of accelerating units 1 arranged continuously, each accelerating unit 1 has an accelerating chamber 13, and all accelerating chambers 13 The accelerated transmission channel 2 that communicates with each other and forms ions means that the ion beam 4 can move accelerated in the accelerated transmission channel 2 after being generated by the ion source 3 . Along the traveling direction of the acceleration transmission channel 2, the pulse power source can apply voltages to all the acceleration units 1 step by step according to the corresponding timing control and form an electric field 5 in the corresponding acceleration chamber 13, so that the acceleration chamber that just moves to the acceleration chamber that forms the electric field 5 The ions in 13 are accelerated, so as to re...

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Abstract

The invention discloses a low-energy heavy ion accelerator and an acceleration method, and relates to the field of ion accelerators. The accelerator comprises a pulse power source with a time sequence control function and a plurality of continuously arranged acceleration units; each acceleration unit is provided with an acceleration cavity; and all the acceleration cavities are communicated with one another and form an acceleration transmission channel of ions. According to the acceleration method, a pulse power source is controlled according to a certain time sequence to load voltage to all acceleration units step by step, and an electric field is formed in the acceleration cavity of the corresponding acceleration unit, so that ions just moving into the acceleration cavity where the electric field is formed are accelerated. According to the accelerator and the acceleration method provided by the invention, the compatibility of to-be-accelerated ion types is high, and the acceleration of any ion beam can be realized by controlling the time sequence of the output high-voltage pulse, so that the ion beam is always in an acceleration phase; and the beam energy can be adjusted by controlling the amplitude of the acceleration voltage or controlling the number of the loading power according to the actual application requirement.

Description

technical field [0001] The invention relates to the field of accelerators, in particular to a low-energy heavy ion accelerator and an acceleration method. Background technique [0002] Generally speaking, a low-energy ion accelerator refers to a device that accelerates tens of keV ion beams drawn out by an ion source to nearly MeV / u. Ion accelerators use electric fields to accelerate charged particle beams such as protons and heavy ions. The electric fields here can be DC high voltage electric fields, radio frequency high voltage electric fields, or pulse high voltage electric fields. DC high-voltage electric fields and radio-frequency high-voltage electric fields are most used, such as electrostatic accelerators, voltage doubler accelerators, etc., which use DC high-voltage electric fields to accelerate ions; cyclotrons, radio-frequency linear accelerators, etc., use radio-frequency electric fields to accelerate ions; such as linear induction heavy ion accelerators, inducti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05H7/18H05H7/22H05H7/02
CPCH05H7/18H05H7/22H05H7/02H05H2007/022Y02E30/10
Inventor 夏建胜谌怡张篁刘毅叶茂石金水
Owner INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS
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