Sm3+ ions doped chlorofluoro borate glasses with compositions (in mol %) (50-x)B2O3+20PbO+15NaCl+15MgF2+xSm2O3, x= 0.2, 0.4, 0.6, 0.8 and 1.0 have been prepared by melt quenching technique. For these glasses X-ray diffraction (XRD), optical absorption, emission and decay measurements were carried out. The glassy nature of the present glass matrices are confirmed by XRD profiles. From the optical absorption spectra, derived the spectral intensities (f) and Judd-Ofelt intensity parameters, __ampersandsignOmega;__ampersandsignlambda; (__ampersandsignlambda;= 2, 4, 6) have been evaluated. Using Judd-Ofelt intensity parameters, radiative transition probabilities (AR), and branching ratios (__ampersandsignbeta;R) were calculated. From the photoluminescence spectra, stimulated emission cross-sections (__ampersandsignsigma;P) for all the observed emission transitions were calculated. To investigate luminescence potentiality of 4G5/26H7/2 emission level of Sm3+ doped different chlorofluoro borate glasses, experimental lifetimes (__ampersandsigntau;exp) were obtained from decay curve analysis for all glass matrices. Finally, these observed results were discussed and compared with the literature data.