Abstract
The temporal behavior of the stimulated Kerr scattering (SKS) from a 1.5-m-long CS2 liquid-core hollow-fiber system is studied by using nanosecond and subpicosecond pump-laser pulses. In both situations the duration of the SKS pulses is much shorter than that of the corresponding pump pulses. With ~20-ns pump pulses, the pulse width of a SKS component that is located within a narrow (~1.1 nm) spectral interval and is generated by the second- or third-order stimulated Raman scattering can be shorter than 2–3 ns. In order to measure the temporal behavior of SKS obtained with ultrashort (0.5 ps) pump pulses, a Michelson-interferometer-grating device is used. The pulse duration of the SKS component within a narrow (~1.2 nm) spectral interval is approximately 260–270 fs with ~0.5-ps pump pulses. Our experimental results are qualitatively consistent with the theoretical consideration of the SKS processes.
© 1991 Optical Society of America
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