Direct Generation of 7 fs Whitelight Pulses from Bulk Sapphire

• DOI: 10.1364/up.2014.07.mon.p1.56
• Publication Date: 2014-07-11T12:40:46Z
• Authors: Emanuel Wittmann; Maximilian Bradler; Eberhard Riedle
• Keywords: Achromatic lens; Chirp; Pulse compression

Generation of sub-10 fs continuum pulses without external compression is demonstrated. We investigate the propagation newly generated wavelengths and find that a short crystal in combination with an achromatic telescope leads to nearly chirp free continua.