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W/cm2. The high resistance of fused silica to damage in the sub-10-fs regime allows stable reproducible operation without degradation of the capillary waveguide. In preliminary experiments, we demonstrate kHz-repetition-rate guided-wave high-harmonic generation in helium down to the 10-nm range. The reported experiments open up the way to realizing high-field interactions with plane-wave excitation at intensity levels in excess of 1015 W/cm2 under well-controlled conditions.
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Received: 28 May 1998
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Schnürer, M., Cheng, Z., Sartania, S. et al. Guiding and high-harmonic generation of sub-10-fs pulses in hollow-core fibers at 1015 W/cm2. Appl Phys B 67, 263–266 (1998). https://doi.org/10.1007/s003400050504
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DOI: https://doi.org/10.1007/s003400050504