Proposal for a study of laser acceleration of electrons using micrograting structures at ATF (Phase 1)

Technical Report · Sun Oct 29 00:00:00 EDT 1989

DOI:https://doi.org/10.2172/5357168· OSTI ID:5357168

Chen, W; Claus, J; Fernow, R C; Fischer, J; Gallardo, J C; Kirk, H G; Kramer, H; Li, Z; Palmer, R B; Rogers, J; Shrinvasan-Rao, T; Tsang, T; Ulc, S; Veligdan, J; Warren, J; Bigio, I; Kurnit, N; Shimada, T; Wang, X; McDonald, K T ; Russell, D P ^[1]

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1. Brookhaven National Lab., Upton, NY (USA)

We propose to investigate new methods of particle acceleration using a short-pulse CO{sub 2} laser as the power source and grating-like structures as accelerator cavities''. Phase I of this program is intended to demonstrate the principle of the method. We will focus the laser light to a 3 mm line on the surface of the microstructure. The structure is used to transform the electric field pattern of the incoming transversely polarized laser beam to a mode which has a component along the electron beam direction in the vicinity of the surface. With 6 mJ of laser energy and a 6 ps pulse length, the electric field in the spot will be around 1 GV/m. The electron beam from the Brookhaven Accelerator Test Facility (ATF) will be focused transversely within the few micron transverse dimension of the microstructure. The maximum expected acceleration for a 1 GV/m field and a 3 mm acceleration length is 3 MeV. 17 refs., 11 figs., 2 tabs.

• Research Organization: Brookhaven National Lab. (BNL), Upton, NY (United States)
• Sponsoring Organization: DOE/ER
• DOE Contract Number: AC02-76CH00016
• OSTI ID: 5357168
• Report Number(s): BNL-43465; ON: DE90003699; TRN: 90-001046
• Country of Publication: United States
• Language: English

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