  This paper presents an evaluation of two commonly accepted Raman linewidth
models typically used to fit CARS model parameters to data; the Modified
Exponential Gap (MEG) and the Energy Corrected Sudden (ECS) models. The
adjustable parameters in each model have been fit to published experimental
linewidths, and comparisons are made to the various publications that have
already provided similar adjustable constants. The approaches presented in the
literature are discussed as are differences with the findings presented here.
