Advances in technology indicate that it may be possible to devise a relatively simple high acceleration gradient electron beam accelerator by combining a low-emittance, laser-driven photocathode with a radial line linac driver with ultra-short pulses controlled by a picosecond pulse laser (suggested by W. Willis). Gradients of 1 GeV/meter may be possible. The feasibility of this concept will be assessed by determining the performance possibilities and limitations of the cathodes, the linac optical switching, the electromagnetic properties of the linac structure, and the quality of the accelerated electron beam.Anticipated Results/Potential Commercial Applications as described by the awardee:If successful, this study might lead to a conceptual design of a 2 to 10 MeV prototype and eventually to the design of 10 MeV-1 GeV marketable accelerators and the conceptual design of a TeV-class machine. Possible applications of such machines include particle physics and nuclear physics research, visible light production, ultraviolet free-electron lasers, and the Strategic Defense Initiative.
