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Related Experiment Video

Updated: May 31, 2026

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
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Actively mode-locked fiber laser using a deformable micromirror.

Marc Fabert1, Vincent Kermène, Agnès Desfarges-Berthelemot

  • 1XLIM UMR 6172, CNRS/Université de Limoges, 123 Avenue Albert Thomas, 87060 Limoges Cedex, France. marc.fabert@xlim.fr

Optics Letters
|June 21, 2011
PubMed
Summary
This summary is machine-generated.

This study introduces the first fiber laser system using a deformable micromirror for active mode-locking. This innovation enables precise control over laser pulse generation for advanced applications.

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Area of Science:

  • Optics and Photonics
  • Laser Physics

Background:

  • Mode-locked fiber lasers are crucial for various scientific and industrial applications.
  • Traditional mode-locking methods can be complex and expensive.

Purpose of the Study:

  • To demonstrate a novel fiber laser system utilizing a deformable micromirror for active mode-locking.
  • To present a new approach for generating ultrashort laser pulses.

Main Methods:

  • Integration of a deformable micromirror device within the laser cavity.
  • Utilizing the micromirror as both a modulator and an end-cavity mirror.
  • Characterization of the laser output parameters.

Main Results:

  • Successful active mode-locking of the fiber laser system.
  • Generation of approximately 1-nanosecond (ns)-long pulses.
  • Achieved pulse energy of 20 nanojoules (nJ) per pulse.
  • Operated at a repetition rate of 5 megahertz (MHz).

Conclusions:

  • The deformable micromirror is effective for active mode-locking in fiber lasers.
  • This system offers a compact and potentially cost-effective solution for generating nanosecond pulses.
  • The demonstrated laser parameters are suitable for applications requiring pulsed laser sources.