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High-average-power femtosecond fiber chirped-pulse amplification system
J Limpert1, T Clausnitzer, A Liem
1Institute of Applied Physics, Friedrich Schiller University Jena, Max-Wien-Platz 1, D-07743 Jena, Germany. jens.limpert@uni-jena.de
Optics Letters
|November 1, 2003
Summary
Researchers achieved 76-W average power using a fiber-based chirped-pulse amplification system. This system efficiently generates ultrashort, high-power laser pulses for advanced applications.
Area of Science:
- Laser Physics
- Fiber Optics
- Materials Science
Background:
- Ultrashort pulse lasers are crucial for various scientific and industrial applications.
- High-power ultrashort pulse generation often faces challenges in efficiency and scalability.
Purpose of the Study:
- To demonstrate efficient generation of high-average-power ultrashort laser pulses.
- To develop a robust chirped-pulse amplification system for high-power output.
Main Methods:
- Utilized a diode-pumped ytterbium-doped double-clad fiber-based chirped-pulse amplification (FCPA) system.
- Employed a diffraction grating compressor with highly efficient transmission gratings made of fused silica.
Main Results:
- Achieved an average output power of 76 W.
- Generated 400-fs (femtosecond) laser pulses at a 75-MHz repetition rate.
- Demonstrated successful recompression of high-power pulses using the specialized grating compressor.
Conclusions:
- The developed FCPA system offers an efficient route to high-average-power ultrashort pulse generation.
- The use of fused silica transmission gratings is effective for high-power pulse recompression.
- This technology has potential for applications requiring high-energy ultrashort laser pulses.