Scientific Results

Focusing and stabilizing laser-plasma-generated electron beams with magnetic devices

Year: 2014

Authors: Oishi Y., Giulietti D., Baffigi F., Fulgentini L., Giulietti A., Köster P., Labate L., Kando M., Gizzi LA.

Autors Affiliation: Central Research Institute of Electric Power Industry, Yokosuka, Kanagawa 240-0196, Japan; Istituto Nazionale di Fisica Nucleare, Sez. Pisa, 56127 Pisa, Italy; Intense Laser Irradiation Laboratory, Istituto Nazionale di Ottica, Consiglio Nazionale delle Ricerche, 56124 Pisa, Italy; Dipartimento di Fisica, Universita di Pisa, 56127 Pisa, Italy; Japan Atomic Energy Agency, Kizugawa, Kyoto 619-0215, Japan

Abstract: External magnetic devices have been successfully tested to control the divergence and pointing stability of subrelativistic electron beams accelerated by ultrashort laser pulses in a nitrogen plasma (electron density of similar to 10(19) cm(-3)). Different configurations of the magnetic devices have been studied, and their effects ate discussed in detail. The analysis is also supported by the results of ray-tracing simulations using the first-order trajectory equation in the magnetic field configurations. This simple method of improving beam stability will be particularly useful for applying laser-generated ultrashort electron beams to high-dose radiobiological studies. (C) 2014 The Japan Society of Applied Physics

Journal/Review: JAPANESE JOURNAL OF APPLIED PHYSICS

Volume: 53 (9)      Pages from: 092702  to: 092702

More Information: DOI: 10.7567/JJAP.53.092702
KeyWords: Acceleration; Injection; Pulse
DOI: 10.7567/JJAP.53.092702

Citations: 2
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