Apparatus for GHz rate high duty cycle pulsing and manipulation of low and medium energy DC electron beams

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9697982
SERIAL NO

15091639

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Abstract

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An ElectroMagnetic-Mechanical Pulser can generate electron pulses at rates up to 50 GHz, energies up to 1 MeV, duty cycles up to 10%, and pulse widths between 100 fs and 10 ps. A modulating Transverse Deflecting Cavity (“TDC”) imposes a transverse modulation on a continuous electron beam, which is then chopped into pulses by an adjustable Chopping Collimating Aperture. Pulse dispersion due to the modulating TDC is minimized by a suppressing section comprising a plurality of additional TDC's and/or magnetic quadrupoles. In embodiments the suppression section includes a magnetic quadrupole and a TDC followed by four additional magnetic quadrupoles. The TDC's can be single-cell or triple-cell. A fundamental frequency of at least one TDC can be tuned by literally or virtually adjusting its volume. TDC's can be filled with vacuum, air, or a dielectric or ferroelectric material. Embodiments are easily switchable between passive, continuous mode and active pulsed mode.

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Patent Owner(s)

Patent OwnerAddress
GOVERNMENT OF THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF COMMERCENATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY 100 BUREAU DRIVE MS 2200 GAITHERSBURG MD 20899

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Antipov, Sergey Naperville, US 9 32
Baryshev, Sergey V Lemont, US 4 13
Ha, Gwanghui Lisle, US 1 8
Jing, Chunguang Naperville, US 10 34
Lau, June W Rockville, US 2 11
Qiu, Jiaqi Willowbrook, US 5 23
Zhu, Yimei East Setauket, US 6 48

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