12 fs pulses from a cw-pumped 200 nJ Ti:sapphire amplifier at a variable repetition rate of up to 4 MHz

DOI to cite this document:: 10.5283/epub.19119

Huber, Rupert ; Adler, F. ; Leitenstorfer, A. ; Beutter, M. ; Baum, P. ; Riedle, E.

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Date of publication of this fulltext: 31 Jan 2011 12:50

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Abstract

We demonstrate a novel compact femtosecond Ti:sapphire laser system operating at repetition rates from 10 kHz to 4 MHz. The scheme is based on the combination of a broadband cavity-dumped oscillator and a double-pass Ti:sapphire amplifier pumped by a low-noise cw solid-state laser. Amplified pulses with an extremely smooth spectrum, a duration of only 12 fs, and less than 0.25% rms fluctuation ...