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Updated: Jun 3, 2026

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
08:48

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

CEP stable 1.6 cycle laser pulses at 1.8 μm.

Bruno E Schmidt1, Andrew D Shiner, Philippe Lassonde

  • 1Institut National de la Recherche Scientifique, Centre Energie Matériaux et Télécommunications, Varennes, QC, Canada. 3schmidtb@emt.inrs.ca

Optics Express
|April 1, 2011
PubMed
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Researchers developed a new method for laser pulse compression using hollow-core fiber and fused silica. This technique successfully generated ultrashort, high-energy laser pulses with stable carrier-envelope phase.

Area of Science:

  • Ultrafast optics
  • Nonlinear optics
  • Laser physics

Background:

  • Achieving ultrashort laser pulses with high energy is crucial for various scientific applications.
  • Existing pulse compression techniques face limitations in energy scaling and stability.

Purpose of the Study:

  • To develop a novel approach for generating high-energy, ultrashort laser pulses.
  • To achieve passively carrier-envelope phase (CEP) stable pulses at a specific wavelength and repetition rate.

Main Methods:

  • Combined spectral broadening in hollow-core fiber (HCF) with linear propagation in fused silica (FS).
  • Utilized a white light-seeded optical parametric amplifier (OPA).
  • Employed a novel pulse compression technique.

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Last Updated: Jun 3, 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

Published on: November 22, 2019

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
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20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
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Main Results:

  • Generated 1.6-cycle laser pulses with 0.24 mJ energy at 1.8 μm wavelength.
  • Achieved a repetition rate of 1 kHz.
  • Demonstrated passive carrier-envelope phase (CEP) stability.

Conclusions:

  • The novel HCF and FS approach enables the generation of high-energy, ultrashort laser pulses.
  • The technique provides passively CEP-stable pulses, beneficial for precision measurements.
  • This advancement opens new possibilities in ultrafast science and technology.