2011-07-25 07:20 (UTC) | Etoombs | 469446 (bytes) | 1450×786 | Sign error. Just compare the two images yourself to see what I changed.
2011-07-25 06:52 (UTC) | Etoombs | 437214 (bytes) | 1420×662 | This is a plot of the instantaneous intensity of a Gaussian beam as a function of r and z. Author: Eric Toombs Source: computer rendering via matplotlib
(Original text) : This is a plot of the instantaneous intensity of a Gaussian beam as a function of r and z. Author: Eric Toombs Source: computer rendering via matplotlib