Sergey Vasilye, V. Smolski, J. Peppers, I. Moskalev, M. Mirov, Y. Barnakov, A. Muraviev, K. Zawilski, P. Schunemann, K. Vodopyanov, S. Mirov, V. Gapontsev
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Long-wave IR femtosecond supercontinuum generation with Cr:ZnS lasers
We give an overview of experimental results on mid-IR femtosecond lasers and frequency combs based on polycrystalline Cr$^{2+}$: ZnS providing access to few-cycle pulses in the spectral range 2–$;3\mu \mathrm{m}$. We also discuss the techniques for generation of multi-octave coherent femtosecond continua with Cr$^{2+}$: ZnS lasers.