Theoretical analysis of Yb3+-doped double-clad fiber lasers using a new analytical method

Citation

Liping Zhang, Huihui Liu, and Xinzhong Li, "Theoretical analysis of Yb3+-doped double-clad fiber lasers using a new analytical method," Optik, vol. 124, pp. 1264–1268, 2013

Keywords

  • Yb3+-doped double-clad fiber laser (DCFL)
  • Analytical model/method
  • Rate equations (REs)
  • Threshold pump power
  • Output laser power
  • Scattering losses
  • Pump light attenuation
  • Upper-level population density (N2)
  • Dopant concentration (N)
  • Fiber length (L)
  • Reflectivity of laser mirrors (R1, R2)
  • Optimal fiber length (Lopt)
  • Minimum fiber length (Lmin)
  • Pump photon density (F(z)
  • Laser photon density (S±(z)

Brief

The article presents new approximate analytical solutions for threshold pump power and output laser power of Yb3+-doped double-clad fiber lasers by considering rate equations that include scattering losses and the dependency of pump light attenuation on the upper-level population density.

Summary

This paper introduces new approximate analytical solutions for calculating the threshold pump power and output laser power of Yb3+-doped double-clad fiber lasers. The model considers scattering losses and the influence of the upper energy level population on pump light attenuation, providing a more comprehensive theoretical analysis of these lasers.

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