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Studies of pulse shortening of a Ti:sapphire laser by the backward stimulated Brillouin scattering (SBS) are reported. Energy-conversion efficiency and the effect on pulse-compression characteristics ...in different liquid media are discussed based on a coupled equation model describing dynamics of SBS. Energy-conversion efficiencies of 37.5 percent in water and 61.4 percent in methanol were obtained experimentally. In case of water medium a compression ratio of 4 was obtained, but in case of methanol, the effect on the pulse compression was not significant due to increase in energy efficiency and use of a shorter cell length than the required. The theoretical simulation qualitatively agrees well with the experimental results.show more
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