TY - GEN
T1 - Free-space nitrogen laser from a mid-infrared filament
AU - Kartashov, D.
AU - Alisauškas, S.
AU - Pugžlys, A.
AU - Baltuška, A.
AU - Shneider, M.
AU - Zheltikov, A.
PY - 2011
Y1 - 2011
N2 - We report on laser emission at 337 nm and 357 nm from a filament generated in argonnitrogen mixture by femtosecond mid-infrared pulses. Energies as high as 3.5 μJ are achieved which corresponds to 0.5% total conversion efficiency from 3.9-μm, 7-mJ 80-fs pulses. Stimulated emission in an argon-nitrogen mixture is also achieved in the case of 1.03-μm 6-mJ 200-fs driving pulses, however only in the presence of multiple filaments and with a far inferior opticalto-optical efficiency. This novel source emitting nanosecond near-UV pulses in the backward, with respect to the driving pulse, direction opens new possibilities remote atmospheric sensing.
AB - We report on laser emission at 337 nm and 357 nm from a filament generated in argonnitrogen mixture by femtosecond mid-infrared pulses. Energies as high as 3.5 μJ are achieved which corresponds to 0.5% total conversion efficiency from 3.9-μm, 7-mJ 80-fs pulses. Stimulated emission in an argon-nitrogen mixture is also achieved in the case of 1.03-μm 6-mJ 200-fs driving pulses, however only in the presence of multiple filaments and with a far inferior opticalto-optical efficiency. This novel source emitting nanosecond near-UV pulses in the backward, with respect to the driving pulse, direction opens new possibilities remote atmospheric sensing.
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M3 - Conference contribution
AN - SCOPUS:84893557348
SN - 9781557529046
T3 - Optics InfoBase Conference Papers
BT - High Intensity Lasers and High Field Phenomena, HILAS 2011
T2 - High Intensity Lasers and High Field Phenomena, HILAS 2011
Y2 - 16 February 2011 through 18 February 2011
ER -