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Related Experiment Video

Updated: May 28, 2026

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
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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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Picosecond bismuth-doped fiber MOPFA for frequency conversion.

Ben H Chapman1, Edmund J R Kelleher, Sergei V Popov

  • 1Femtosecond Optics Group, Physics Department, Prince Consort Road, Imperial College, London SW7 2AZ, UK. ben.chapman05@imperial.ac.uk

Optics Letters
|October 4, 2011
PubMed
Summary

We developed a bismuth-doped fiber laser system producing 28 picosecond pulses at 1177 nm. Frequency doubling this output created a visible picosecond pulsed source at 588.5 nm.

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Area of Science:

  • Laser Physics
  • Fiber Optics
  • Nonlinear Optics

Background:

  • Development of compact, high-power pulsed fiber laser systems is crucial for various applications.
  • Picosecond pulsed sources are essential for high-resolution imaging and spectroscopy.
  • Visible light sources are highly desirable for many scientific and industrial applications.

Purpose of the Study:

  • To develop a bismuth-doped fiber master oscillator power fiber amplifier (MOFPA) system.
  • To achieve efficient frequency doubling of the generated infrared pulses into the visible spectrum.
  • To characterize the performance of the developed picosecond pulsed visible source.

Main Methods:

  • Utilized a bismuth-doped fiber MOFPA system operating at 1177 nm.
  • Generated 28 picosecond pulses at a 9.11 MHz repetition rate.

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Last Updated: May 28, 2026

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  • Employed frequency doubling techniques to convert 1177 nm output to the visible range.

    • Main Results:

    • Achieved 150 mW average output power and 580 W peak pulse power at 1177 nm.
    • Successfully generated a visible picosecond pulsed source at 588.5 nm.
    • Obtained a maximum average output power of 13.7 mW for the visible source.

    Conclusions:

    • Demonstrated a versatile bismuth-doped fiber laser system for generating picosecond pulses.
    • Successfully developed a novel visible picosecond pulsed source via frequency doubling.
    • The developed system offers a compact and efficient solution for visible picosecond light generation.