@article{143781, author = {John Burnett and R Gupta and U Griesmann}, title = {Absolute refractive indices and thermal coefficients of CaF2, SrF2, BaF2, and LiF near 157 nm}, year = {2002}, number = {41}, month = {2002-01-01}, publisher = {Applied Optics}, language = {en}, }