Tunable ultrashort laser pulses generated through filamentation in gases |
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| Authors: | Théberge Francis Aközbek Neset Liu Weiwei Becker Andreas Chin See Leang |
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| Affiliation: | Centre d'Optique, Photonique et Laser, COPL, and Département de physique, de génie physique et d'optique, Université Laval, Québec, Québec G1K 7P4, Canada. |
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| Abstract: | Tunable and stable ultrashort laser pulses in the visible spectrum are generated with high efficiency by four-wave mixing process during the filamentation of near-infrared and infrared laser pulses in gases. It is shown that these tunable ultrashort pulses have a very low energy fluctuation and an excellent mode quality due to the processes of intensity clamping and self-filtering in the filament. |
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