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Prodlužovač impulsů s vysokou spektrální a výkonovou propustností
Divoký, M. ; Smrž, M. ; Straka, Petr
We present a pulse stretcher based on modified Öffner triplet using an off-plane (conical) diffraction under the Littrow configuration. Our system was ray-traced and the results are comparable with a similar design using in-plane diffraction. A slight conical diffraction is not a serious problem which was demonstrated by stretching the 10-fs pulses from a Ti:sapphire laser to ~300 ps and backcompressing them to 16 fs with a high power throughput over the system and low distortion of the pulses.

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