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Proceedings Article

Numerical simulation of multiple modes in solid state lasers

[+] Author Affiliations
Britta Heubeck, Christoph Pflaum

Univ. Erlangen-Nürnberg (Germany)

Proc. SPIE 6190, Solid State Lasers and Amplifiers II, 61900X (April 17, 2006); doi:10.1117/12.661514
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From Conference Volume 6190

  • Solid State Lasers and Amplifiers II
  • Alphan Sennaroglu
  • Strasbourg, France | April 03, 2006

abstract

In this paper, we present a method for a 3D-simulation of the population inversion and photon density in a solid state laser. The method approximates the electrical field distribution of the beam by a finite number of eigenmodes. These modes can be computed by a Gauss mode analysis. The population inversion is approximated by a finite volume discretization. Using the classical rate equations, we derive suitable rate equations for the discretized population inversion and the eigenmodes of a laser. The simulation results show the influence of the pump configuration to the distribution of the eigenmodes. Therefore, the new simulation method can be used to optimize the beam quality of a solid state laser.

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Citation

Britta Heubeck and Christoph Pflaum
"Numerical simulation of multiple modes in solid state lasers", Proc. SPIE 6190, Solid State Lasers and Amplifiers II, 61900X (April 17, 2006); doi:10.1117/12.661514; http://dx.doi.org/10.1117/12.661514


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