An analytical optimization of Herriott cell geometry for maximum nonlinear phase shift enables experimental low-peak-power pulse compression to ~40 fs (negative dispersion) and ~55 fs (positive dispersion) at 2 μm in high-pressure gas.
Ultrafast middle-IR lasers and amplifiers based on polycrystalline Cr:ZnS and Cr:ZnSe
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Low peak-power pulse compression in gas-filled Herriott cells in the 2 {\mu}m wavelength range
An analytical optimization of Herriott cell geometry for maximum nonlinear phase shift enables experimental low-peak-power pulse compression to ~40 fs (negative dispersion) and ~55 fs (positive dispersion) at 2 μm in high-pressure gas.