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2007 IEEE Particle Accelerator Conference (PAC)
Photonic Bandgap (PBG) structures have recently been proposed as optical accelerators for their high coupling impedance and high damage threshold. As a first step in preparing a PBG accelerator, we propose to observe the optical wakefield induced by an electron beam traversing the structure in the absence of a coupled laser pulse. The electrons are focused into the fiber via a permanent magnet quadrupole triplet. The electrons excite fiber modes with speed-of-light (SOL) phase velocities. Bydoi:10.1109/pac.2007.4440683 fatcat:udvz6x5jdzhv5md226iitv4m7m