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Related Experiment Video

Updated: Jun 10, 2026

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
10:17

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

Chirped-pulse amplification with narrowband pulses.

M Y Shverdin1, F Albert, S G Anderson

  • 1Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA. shverdin2@llnl.gov

Optics Letters
|July 17, 2010
PubMed
Summary

We developed a compact pulse stretcher and compressor system for chirped-pulse amplification in Nd:YAG lasers. This system achieves high-energy, ultrashort pulses with precise duration control.

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Area of Science:

  • Physics
  • Laser Technology
  • Optics

Background:

  • Chirped-pulse amplification (CPA) is crucial for generating high-intensity laser pulses.
  • Nd:YAG lasers are widely used in various scientific and industrial applications.
  • Achieving ultrashort pulse durations requires precise control over spectral dispersion.

Purpose of the Study:

  • To demonstrate a compact and efficient hyperdispersion stretcher and compressor pair.
  • To enable chirped-pulse amplification in Nd:YAG laser systems.
  • To achieve near-transform-limited ultrashort pulses with high energy.

Main Methods:

  • Development of a compact hyperdispersion stretcher and compressor pair.
  • Integration of the stretcher/compressor system with a Nd:YAG laser for CPA.
  • Characterization of pulse energy, spectral width, and temporal duration.

Main Results:

  • Generation of 750 mJ pulses with a 0.2 nm FWHM spectral width.
  • Recompression of pulses to an 8 ps near-transform-limited duration.
  • The dispersion-matched system imparts a chirp of 7300 ps/nm within a 3 m x 1 m footprint.

Conclusions:

  • The demonstrated compact stretcher and compressor pair effectively enables CPA in Nd:YAG lasers.
  • The system provides a viable solution for generating high-energy, ultrashort laser pulses.
  • The compact footprint makes the technology suitable for various applications requiring high-power lasers.