Electric lamp and discharge devices: systems – High energy particle accelerator tube
Patent
1995-12-13
1998-02-17
Patel, Ashok
Electric lamp and discharge devices: systems
High energy particle accelerator tube
315505, 315506, H05H 700
Patent
active
057194785
ABSTRACT:
A method of bunching a charged particle beam including the step of generating an electric field during a certain time duration, the electric field being generally parallel to a travelling direction of the charged particle beam having a kinetic energy of 1 eV to 1 MeV, and an intensity of the electric field changing as a quadratic function of time. In addition to the waveform changing as the quadratic function, a waveform changing linearly may also be used. The linearly changing waveform may be superposed upon a waveform of a half period from phase .pi. to 2.pi. of a sine wave if the linearly changing waveform monotonously increases, or upon a waveform of a half period from phase 0 to .pi. of a sine wave if the linearly changing waveform monotonously decreases. Furthermore, the linearly changing waveform and the sine waveform may be superposed upon a waveform of a half period from phase 0 to .pi. of a cosine wave if the linearly changing waveform monotonously increases, or upon a waveform of a half period from phase .pi. to 2.pi. of a cosine wave if the linearly changing waveform monotonously decreases. The charged particle beam having a non-relativistic energy can be shaped into an ultra short pulse.
REFERENCES:
Book entitled "Principles of Charged Particle Acceleration"by Stanley Humphries, Jr., Published by John Wiley & Sons, New York, New York, Chapter 10 Linear Induction Accelerators title page, preface and table of contents (pp. Vii-Xiii); and pp. 283-317, published 1986.
T. Mikado et al; "Pulsing System of Slow Positrons at the Electrotechnical Laboratory"; pp. 3-11; vol. 18, No. 2.
D. Schodlbauer et al; "A Pulsing System for Low Energy Positrons"; Apr. 1988; pp. 258-268; Nuclear Instruments and Methods in Physics Research.
Hirose Masafumi
Washio Masakazu
Patel Ashok
Patidar Jay M.
Sumitomo Heavy Industrie's, Ltd.
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