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physics.optics2011★ 18 cited
Conical emission from laser filaments and higher-order Kerr effect in air
Pierre Béjot, Jérôme Kasparian
We numerically investigate the conical emission (CE) from ultrashort laser filaments, both considering and disregarding the higher-order Kerr effect (HOKE). While the consideration…
physics.optics2011★ 105 cited
Transition from plasma- to Kerr-driven laser filamentation
Pierre Béjot, Edouard Hertz, Jérôme Kasparian +3
While filaments are generally interpreted as a dynamic balance between Kerr focusing and plasma defocusing, the role of the higher-order Kerr effect (HOKE) is actively debated as a…