The backscattered fluorescence of nitrogen from long filaments generated by intense ultrafast Ti-sapphire laser pulses propagating in air is studied. It shows an exponential increase with increasing filament length, indicating amplified spontaneous emission (ASE).
Lasing action in air induced by ultrafast laser filamentation
2003-01-01
144165 byte
Conference paper
Electronic Resource
English
Lasing Action in Air Induced by Ultrafast Laser Filamentation
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