Programmable Radio Frequency Waveform Generator for a Synchocyclotron
First Claim
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1. A synchrocyclotron comprising:
- a magnetic field generator;
a resonant circuit, comprising;
electrodes, disposed between magnetic poles, having a gap therebetween across the magnetic field; and
a variable reactive element in circuit with the electrodes to vary the resonant frequency of the resonant circuit; and
a voltage input to the resonant circuit, the voltage input being an oscillating voltage that varies in frequency over the time of acceleration of charged particles.
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Abstract
A synchrocyclotron includes a resonant circuit that includes electrodes having a gap there between across the magnetic field. An oscillating voltage input, having a variable amplitude and frequency determined by a programmable digital waveform generator generates an oscillating electric field across the gap. The synchrocyclotron can include a variable capacitor in circuit with the electrodes to vary the resonant frequency. The synchrocyclotron can further include an injection electrode and an extraction electrode having voltages controlled by the programmable digital waveform generator.
39 Citations
20 Claims
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1. A synchrocyclotron comprising:
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a magnetic field generator; a resonant circuit, comprising; electrodes, disposed between magnetic poles, having a gap therebetween across the magnetic field; and a variable reactive element in circuit with the electrodes to vary the resonant frequency of the resonant circuit; and a voltage input to the resonant circuit, the voltage input being an oscillating voltage that varies in frequency over the time of acceleration of charged particles. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of accelerating particles in a synchrocyclotron, comprising:
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providing particles in the synchrocyclotron; providing a resonant circuit, the resonant circuit comprising accelerating electrodes having a gap therebetween across a magnetic field; and applying an oscillating voltage input that varies in frequency during acceleration of the particles to the resonant circuit, the oscillating voltage input creating an oscillating electric field across the gap that accelerates the particles in the synchrocyclotron. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification