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The features of Raman lasing and generation bandwidth in SiO2TiO2 single-mode fiber are analyzed. The spectroscopic method for determination of the Raman gain profile from the spontaneous Raman cross-section in TiO2 doped fiber is proposed. Numerical results on lasing band and Raman gain threshold in TiO2 doped single-mode fiber is presented. It is shown the TiO2 lasing band may be almost twice wider...