Determination of electron bunch shape using transition radiation and phase-energy measurements

Conference · Sun Dec 31 04:00:00 EST 1995

OSTI ID:238615

Crosson, E R; Berryman, K W; Richman, B A ^[1]

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1. Stanford Univ., CA (United States); and others

We present data comparing microbunch temporal information obtained from electron beam phase-energy measurements with that obtained from transition radiation auto-correlation measurements. The data was taken to resolve some of the ambiguities in previous transition radiation results. By measuring the energy spectrum of the electron beam as a function of its phase relative to the accelerating field, phase-energy information was extracted. This data was analyzed using tomographic techniques to reconstruct the phase-space distribution assuming an electron energy dependence of E({var_phi}) = E{sub o} + E{sub acc}cos({var_phi}), where E{sub o} is the energy of an electron entering the field, E{sub acc} is the peak energy gain, and {var_phi} is the phase between the crest of the RF wave and an electron. Temporal information about the beam was obtained from the phase space distribution by taking the one dimensional projection along the time axis. We discuss the use of this technique to verify other transition radiation analysis methods.

• Research Organization: Brookhaven National Lab., Upton, NY (United States)
• OSTI ID: 238615
• Report Number(s): BNL--61982-Absts.; CONF-9508156--Absts.; ON: DE96002729
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
43 PARTICLE ACCELERATORS
BEAM BUNCHING
BEAM PROFILES
ELECTRON BEAMS
FREE ELECTRON LASERS
PHASE SPACE
TRANSITION RADIATION