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Related Experiment Video

Updated: May 11, 2026

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
08:48

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

Gain-switched Yb-doped fiber laser for microprocessing.

Vid Agrež1, Rok Petkovšek

  • 1Faculty of Mechanical Engineering, University of Ljubljana, Aškerčeva 6, Ljubljana SI-1000, Slovenia.

Applied Optics
|May 15, 2013
PubMed
Summary

Gain-switched fiber lasers offer robust, simple designs for industrial microprocessing. This study developed a numerical model to optimize pulse parameters like peak power and duration, validated by experimental results.

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Area of Science:

  • Optics and Photonics
  • Materials Science
  • Industrial Laser Applications

Background:

  • Gain-switched fiber lasers are robust and simple pulsed laser systems.
  • Their potential for industrial microprocessing is significant but requires precise pulse parameter control.
  • Optimization of peak power and pulse duration is crucial for effective microprocessing.

Purpose of the Study:

  • To develop and present a numerical model for designing and optimizing gain-switched fiber lasers.
  • To investigate the influence of pump power and laser length on laser pulse characteristics.
  • To validate the numerical model against experimental data.

Main Methods:

  • Development of a time- and spatially-dependent numerical model for gain-switched fiber lasers.
  • Simulation of gain-switched operation to analyze pulse duration and peak power.
  • Experimental validation using a Yb3+-doped gain-switched fiber laser setup.

Main Results:

  • The numerical model accurately predicts the behavior of gain-switched fiber lasers.
  • Key parameters like pump power and laser length were shown to influence pulse duration and peak power.
  • Model predictions showed good agreement with experimental measurements.

Conclusions:

  • The developed numerical model is a valuable tool for designing and optimizing gain-switched fiber lasers for microprocessing.
  • Understanding the impact of design parameters enables tailored laser performance for specific industrial needs.
  • The Yb3+-doped fiber laser system demonstrates the practical applicability of the modeling approach.

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Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
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