Propagation of laser beams through inhomogeneous media

W J Firth

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)


The propagation of gaussian beams in media with an arbitrary gain and/or dispersion profile is discussed using a variational method. Simple analytic formulae are derived and applied to the spin-flip laser which has a gaussian gain profile. The results are a significant improvement on the quadratic-gain approximation. © 1977.

Original languageEnglish
Pages (from-to)226-230
Number of pages5
JournalOptics Communications
Issue number2
Publication statusPublished - Aug 1977


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