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Wittmann, Emanuel; Bradler, Maximilian; Riedle, Eberhard ORCID: 0000-0002-2672-5718 (2015): Direct Generation of 7 fs Whitelight Pulses from Bulk Sapphire. In: Yamanouchi, Kaoru; Cundiff, Steven; Vivie-Riedle, Regina de; Kuwata-Gonokami, Makoto; DiMauro, Louis (eds.) : Ultrafast Phenomena XIX. Proceedings of the 19th International Conference, Okinawa Convention Center, Okinawa, Japan, July 7-11, 2014. Springer Proceedings in Physics, Vol. 162. Springer. pp. 725-728
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Generation of sub-10 fs continuum pulses without external compression is demonstrated. We investigate the propagation of the newly generated wavelengths and find that a short crystal in combination with an achromatic and anastigmatic telescope (Schiefspiegler) leads to nearly chirp free continua.