Optimization of strongly pumped Yb-doped double-clad fiber lasers using a wide-scope approximate analytical model

Citation

Z. Mohammed and H. Saghafifar, "Optimization of strongly pumped Yb-doped double-clad fiber lasers using a wide-scope approximate analytical model," Optics & Laser Technology, vol. 55, pp. 50–57, 2014

Keywords

  • Yb-doped double-clad fiber laser (DCFL)
  • Strongly pumped
  • Analytical model
  • Optimization
  • Rate equations (REs)
  • Output power
  • Distributed laser
  • Pumping types (forward, backward, two-end)
  • Scattering losses
  • Pump reflection
  • Output reflectivity
  • Doping concentration
  • Fiber length
  • High-power laser oscillators
  • Relative error
  • Numerical model/solution
  • Fiber Bragg gratings (FBGs)
  • Population inversion
  • Threshold condition
  • Quasi-three-level system
  • Excited-state absorption (ESA)

Brief

The article presents a wide-scope approximate analytical model for strongly pumped Yb-doped double-clad fiber lasers and uses it to illustrate a simple optimization method for high-power laser oscillators by studying the influences of various parameters.

Summary

This article presents a new analytical model for optimizing strongly pumped Yb-doped double-clad fiber lasers, which considers various parameters and pumping configurations, achieving high accuracy (less than 2.72% error) compared to numerical models and illustrating a simple optimization method for high-power fiber lasers.

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