Effect of Laser-Focusing Conditions on Propagation and Monoenergetic Electron Production in Laser-Wakefield Accelerators Export

@article{citeulike:3203927, abstract = {The effect of laser-focusing conditions on the evolution of relativistic plasma waves in laser-wakefield accelerators is studied both experimentally and with particle-in-cell simulations. For short focal-length (w0\<p) interactions, beam breakup prevents stable propagation of the pulse. High field gradients lead to nonlocalized phase injection of electrons, and thus broad energy spread beams. However, for long focal-length geometries (w0\>p), a single optical filament can capture the majority of the laser energy and self-guide over distances comparable to the dephasing length, even for these short pulses (cp). This allows the wakefield to evolve to the correct shape for the production of the monoenergetic electron bunches, as measured in the experiment.}, author = {Thomas, A. G. R. and Najmudin, Z. and Mangles, S. P. D. and Murphy, C. D. and Dangor, A. E. and Kamperidis, C. and Lancaster, K. L. and Mori, W. B. and Norreys, P. A. and Rozmus, W. and Krushelnick, K.}, citeulike-article-id = {3203927}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000098000009095004000001&idtype=cvips&gifs=yes}, citeulike-linkout-1 = {http://link.aps.org/abstract/PRL/v98/e095004}, citeulike-linkout-2 = {http://dx.doi.org/10.1103/PhysRevLett.98.095004}, doi = {10.1103/PhysRevLett.98.095004}, journal = {Physical Review Letters}, keywords = {laser-wakefield-accleration, monoenergetic-electron-production}, number = {9}, posted-at = {2008-09-08 05:04:40}, priority = {2}, publisher = {APS}, title = {Effect of Laser-Focusing Conditions on Propagation and Monoenergetic Electron Production in Laser-Wakefield Accelerators}, url = {http://dx.doi.org/10.1103/PhysRevLett.98.095004}, volume = {98}, year = {2007} }

TY - JOUR ID - citeulike:3203927 L3 - citeulike-article-id:3203927 N2 - The effect of laser-focusing conditions on the evolution of relativistic plasma waves in laser-wakefield accelerators is studied both experimentally and with particle-in-cell simulations. For short focal-length (w0<p) interactions, beam breakup prevents stable propagation of the pulse. High field gradients lead to nonlocalized phase injection of electrons, and thus broad energy spread beams. However, for long focal-length geometries (w0>p), a single optical filament can capture the majority of the laser energy and self-guide over distances comparable to the dephasing length, even for these short pulses (cp). This allows the wakefield to evolve to the correct shape for the production of the monoenergetic electron bunches, as measured in the experiment. IS - 9 JF - Physical Review Letters TI - Effect of Laser-Focusing Conditions on Propagation and Monoenergetic Electron Production in Laser-Wakefield Accelerators PB - APS VL - 98 KW - laser-wakefield-accleration KW - monoenergetic-electron-production AU - Thomas, AGR AU - Najmudin, Z AU - Mangles, SPD AU - Murphy, CD AU - Dangor, AE AU - Kamperidis, C AU - Lancaster, KL AU - Mori, WB AU - Norreys, PA AU - Rozmus, W AU - Krushelnick, K PY - 2007/// UR - http://dx.doi.org/10.1103/PhysRevLett.98.095004 ER -