A method of generating pulse flows of high-energy particles and particles sources for the implementation of this method

摘要

1. A method of generating a pulsed flux of energetic particles, comprising the steps of;ion plasma initiation on the first electrode (111) in a vacuum chamber (110) and allowing the development of said plasma toward the second electrode (112) in said vacuum chamber,;supply of a short pulse of high voltage between the electrodes in the time interval during which said ion plasma is in a transitional state with a space distribution of ions or electrons at a distance from said second electrode, so as to accelerate said distributed ions or electrons towards said second electrode , whereby is generated a high-energy flux of charged particles at the same time overcome the current limit associated with the space charge, the conventional vacuum diode, and;generating said energetic particles at said second electrode (112).;2. The method of claim 1, wherein said high energy particles generated by the nuclear or electromagnetic reaction "beam / target" occurring between said accelerated ions or electrons and said second electrode. (112).;3. The method of claim 1, wherein said second electrode is a semi-transparent grid structure, and said high-energy particles are plasma ions or electrons passing through said second electrode (112).;4. A method according to any one of claims 1-3, wherein said predetermined time determined based on at least the voltage level of the pulse, the geometry of the electrodes (111, 112) and the distance between them, and the pressure in the chamber.;5. The method according to any one of claims 1-3, wherein said first electrode (111) comprises a pair of electrode members forming a plasma discharge ion source.;6. The source of high energy particles, comprising;a vacuum chamber (110) comprising a first electrode (111) and a second electrode (112), said first electrode forming a plasma ion source which is able to generate ion plasma and provide plasma ion develop in said chamber towards said second electrode,;a triggering device (131) of the ion source connected to said first electrode for supplying power to a plasma ion source,;a high voltage generator (132) coupled to said first and second electrodes, and;a block (140) of the control and monitoring to ensure the supply of high voltage short pulse between said first and second electrodes in response to excitation of said plasma ion source, said triggering device of the ion source in the time interval during which said ion plasma is in a transitional state with a space distribution ions or electrons at a distance from said second electrode, so as to accelerate said distributed ions or electrons towards said second electrode and generate a high-energy flux of charged particles to overcoming the current limit associated with the space charge, the conventional vacuum diode.;7. The source according to claim 6, wherein said high energy particles generated by the nuclear or electromagnetic reaction "beam / target" occurring between said accelerated ions or electrons and said second electrode (112).;8. The source according to claim 6, wherein said second electrode (112) is a semi-transparent grid structure, and said high-energy particles are plasma ions or electrons directly passing through said second electrode.;9. The source according to claim 6, wherein said block (140) the management and control operable to start said high voltage pulse after a predetermined time delay with respect to the ion plasma generation.;10. The source of claim 9, wherein said time delay is determined based, at least from the level of the voltage pulse, the geometry of the electrodes and distance between them, and the pressure in the chamber.;11. A source according to any one pp.6-10, wherein said first electrode (111) comprises a pair of electrode members forming a plasma discharge ion source.