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Initial Experiments on Laser-Based Electron Acceleration at RRCAT, Indore

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9 Author(s)
Bobbili, S.R. ; Laser Plasma Div., Raja Ramanna Centre for Adv. Technol., Indore ; Naik, P.A. ; Arora, V. ; Singhal, H.
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Initial experiments on electron acceleration in self- modulated laser wake-field acceleration regime have been carried out at the Raja Ramanna Centre for Advanced Technology, Indore, India, using a 6-TW 45-fs Ti:sapphire laser. The laser beam was focused to an intensity >1018 W/cm2 on a supersonic helium gas jet. Total charge and spatial profile of the electron beam produced were measured using an integrating current transformer and a phosphor screen, respectively. For a plasma density of 5 times 1019-1020 cm-3, electron beam was produced with a high charge of 2.5-2.7 nC/shot and a divergence of ~10-~100 mrad.

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Plasma Science, IEEE Transactions on  (Volume:36 ,  Issue: 4 )