Project Title: An X-band, Traveling Wave, Deflection Mode Cavity for Ultra-Fast Beam Manipulation and Diagnosis

PI: Alex Murokh, murokh@radiabeam.com

Cutting-edge applications in high energy electron beam-based physics, such as linear colliders, x-ray free-electron lasers, inverse Compton scattering sources and plasma wakefield accelerators, require sub-picosecond pulses. These beams must be precisely diagnosed to be used for such advanced applications.

RadiaBeam is developing a traveling-wave, x-band deflecting cavity for a complete longitudinal phase space characterization of ultra-short electron bunches. This diagnostic will be sensitive, robust, and absolute. The solution proposed surpasses the state-of-the-art in deflecting cavities by taking advantage of the greater efficiency and compactness of X-band RF structures, in concert with modern high-power X-band sources, and by allowing the extension of the technique to very high energies, necessary for next generation light sources and linear colliders.

Presently a full-power prototype of the X-band traveling wave deflector is in fabrication. The device will be installed at the Accelerator Test Facility at Brookhaven National Laboratory and beam-tested to measure its performance.