Dimensional Temperature Distribution Resulting From Propagation of A Light Beam Through an Amplifying Medium

Abstract

Using the Green function theory, the time dependence of the two
dimensional temperature distribution resulting from the volume absorption of a
pump beam incident in radial direction and an amplified laser radiation
incident in axial direction was analytically determined. The mathematical
derivation accounts for the effect of self-focusing generated from the laser
beam. As an example computation was carried out on Ruby rod subjected to
different pump configurations and laser cross-sections.