First demonstration of staged laser acceleration

Two independently-driven laser accelerators were operated together in series for the first time in a proof-of-principle experiment to demonstrate staging. The ability to stage together these, devices is important for eventually building practical laser-driven accelerators. The laser accelerators con...

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Bibliographic Details
Main Authors: Kimura, W.D., Campbell, L.P., Dilley, C.E., Gottschalk, S.C., Quimby, D.C., Babzien, M., Ben-Zvi, I., Gallardo, J.C., Kusche, K.P., Pogorelsky, I.V., Skaritka, J., van Steenbergen, A., Yakimenko, V., Cline, D.B., He, P., Liu, Y., Steinhauer, L.C., Pantell, R.H.
Format: Conference Proceeding
Language:English
Subjects:
Acceleration
Electron accelerators
Electron beams
Free electron lasers
Laser beams
Laser modes
Masers
Particle beams
Plasma accelerators
Undulators
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Summary:Two independently-driven laser accelerators were operated together in series for the first time in a proof-of-principle experiment to demonstrate staging. The ability to stage together these, devices is important for eventually building practical laser-driven accelerators. The laser accelerators consisted of two identical inverse free electron lasers (IFEL), where the first IFEL served as a prebuncher, which created /spl sim/3-fs long microbunches that were accelerated by the second IFEL. Precise and stable control of the phasing between the microbunches and laser wave inside the second IFEL was demonstrated. The effects of overmodulation of the prebuncher were also investigated. In all cases there was good agreement with the model. Additional details of the microbunch characteristics could be inferred by using the model. Plans for demonstrating monoenergetic laser acceleration are also presented.
DOI:10.1109/PAC.2001.987443