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Shortest CEP stabilised Ti:Sapphire pulse

Abstract: A dual-output, self-synchronised, CEP-stabilised Ti:sapphire oscillator is presented, with a pulse duration of 4.4fs and a CEP phase noise of < 100 mrad using a Finesse 6 Pure pump laser.

Since the first demonstration of the gain material Ti:sapphire as a tuneable laser medium, there has been much interest in the exploitation of its broadband optical output, chief among which is the generation of ultra-short optical pulses. Since the pulse duration is inversely proportional to the optical bandwidth supported by the Ti:sapphire oscillator, careful attention must be paid to the optical design to compensate for dispersive effects.

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