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| TUPME075 |
Simulations on Laser Wakefield Generation in a Parabolic Magnetic-plasma Channel |
1528 |
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- D.N. Gupta, M. Singh
University of Delhi, Delhi, India
- D. Jang, H. Suk
APRI-GIST, Gwangju, Republic of Korea
- B.S. Sharma
Kota University, Rajasthan, India
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To utilize the laser-plasma channel for laser wakefield acceleration, we have studied the non-paraxial theory of nonlinear propagation of ultra-intense relativistic Gaussian laser pulse in a preformed spatially tapered magneto-plasma channel having a parabolic density profile. A three-dimensional envelope equation for the laser field is derived, which includes the non-paraxial and applied magnetic field effects. An analytical expression for the wakefield is derived and analyzed the results with the help of particle-in-cell (PIC) simulations. It is shown that wakefield structures and the phase of axial component of the wakefield depend on applied external magnetic field. This aspect of theoretical observation can be used in the production of highly collimated mono-energetic x-rays.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2014-TUPME075
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