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Applied Physics B

, Volume 45, Issue 1, pp 37–44 | Cite as

Analysis of Raman gain for focussed Gaussian pump beams

  • M. C. Ibison
  • D. C. Hanna
Contributed Papers

Abstract

Several theoretical and numerical models have been published which describe the evolution of a Stokes beam in a Raman medium excited by a focussed pump beam. Generally, the published theoretical departures from the plane-wave theory of Raman scattering are based on assumptions about the power of the pump beam. In this paper we present a theoretical model which is shown to be in excellent agreement with an exact numerical treatment, and which is valid without restrictions on the pump power. Its predictions are used to indicate the range of validity of earlier theories.

PACS

42.65 78.30j 

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Copyright information

© Springer-Verlag 1988

Authors and Affiliations

  • M. C. Ibison
    • 1
  • D. C. Hanna
    • 2
  1. 1.Department of ElectronicsUniversity of SouthamptonSouthamptonUK
  2. 2.Department of PhysicsUniversity of SouthamptonSouthamptonUK

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