%0 Journal Article %T Effect of Stepwise Replacement of LiF by Bi2O3 and of Annealing on Optical Properties of LiF B2O3 Glasses %A Susheel Arora %A Virender Kundu %A D. R. Goyal %A A. S. Maan %J ISRN Optics %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/193185 %U http://dx.doi.org/10.5402/2012/193185