Transient gain from N₂^+ in light filaments
classification
⚛️ physics.optics
physics.atom-ph
keywords
filamentsgainlighttransientachievedcontrolledemissionfollowed
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We perform high resolution spectroscopy of $N_2^+$ emission in light filaments using a controlled pump at 795 followed by a second harmonic weak probe. Our result suggests that transient gain is achieved by resonant stimulated Raman scattering.
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