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Related Experiment Videos

Highly efficient mode-locked Yb:Sc2O3 laser.

Peter Klopp1, Valentin Petrov, Uwe Griebner

  • 1Max-Born-Institut, Max-Born-Strasse 2a, D-12489 Berlin, Germany.

Optics Letters
|February 20, 2004
PubMed
Summary
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Researchers demonstrated passive mode locking in a new Ytterbium-doped sesquioxide (Yb:Sc2O3) laser. This femtosecond laser achieves high efficiency and short pulse durations, marking a significant advancement in laser technology.

Area of Science:

  • Laser Physics
  • Materials Science

Background:

  • Yb:Sc2O3 is a promising gain medium for solid-state lasers.
  • Passive mode locking enables ultrashort pulse generation.

Purpose of the Study:

  • To demonstrate passive mode locking of an Yb:Sc2O3 laser.
  • To investigate laser performance under different pumping conditions.
  • To achieve femtosecond pulse generation from this novel crystal.

Main Methods:

  • Utilized a semiconductor saturable-absorber mirror for passive mode locking.
  • Employed Ti:sapphire and diode-laser pumping.
  • Implemented dispersion compensation for pulse shortening.

Main Results:

  • Achieved 0.8 W output power in the picosecond regime.

Related Experiment Videos

  • Reached a pump efficiency as high as 47%.
  • Generated 230 fs pulses at 1044 nm with 0.54 W average power.

    • Conclusions:

    • This work presents the first femtosecond oscillator based on an Yb:Sc2O3 crystal.
    • The Yb:Sc2O3 laser demonstrates high performance for ultrashort pulse generation.
    • This crystal is a viable alternative for advanced laser applications.