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Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
Published on: November 22, 2019
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Normal dispersion femtosecond fiber optical parametric oscillator
Optics Letters
|October 10, 2013
Summary
This study introduces a fiber optical parametric oscillator (FOPO) that generates high-energy chirped pulses. These pulses can be compressed to femtoseconds, offering potential for advanced laser applications.
Area of Science:
- Optics and Photonics
- Laser Physics
Background:
- Fiber optical parametric oscillators (FOPOs) are crucial for generating tunable laser light.
- Scaling pulse energy in FOPOs is essential for various applications, but often limited by nonlinear effects.
Purpose of the Study:
- To propose and demonstrate a novel synchronously pumped fiber optical parametric oscillator (FOPO) operating in the normal dispersion regime.
- To investigate the potential for significant pulse energy scaling in FOPOs without pulse breaking.
Main Methods:
- Development and experimental demonstration of a synchronously pumped FOPO.
- Utilizing normal dispersion regime for stable pulse generation.
- Employing external optical fiber compressors for pulse compression.
Main Results:
- Achieved an average output power of ~60 mW at 1600 nm.
- Demonstrated ~55% slope power conversion efficiency.
- Generated highly chirped pulses (~3 ps) that were compressed to 180 fs.
Conclusions:
- The proposed FOPO design enables significant pulse energy scaling.
- The normal dispersion regime is effective for generating scalable chirped pulses.
- This design concept is adaptable for different pumping wavelengths, broadening FOPO applicability.
