Femtosecond Yb:CaGdAlO sub(4) thin-disk oscillator

A mode-locked thin-disk laser based on Yb:CALGO is demonstrated for the first time. At an average output power of 28 W we obtained pulses with a duration of 300 fs and a pulse energy of 1.3 mu J. 197 fs pulses with 0.9 mu J of energy were achieved at an average output power of 20 W. The shortest pul...

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Bibliographic Details
Published in:Optics letters 2012-10, Vol.37 (19), p.3984-3986
Main Authors: Ricaud, S, Jaffres, A, Wentsch, K, Suganuma, A, Viana, B, Loiseau, P, Weichelt, B, Abdou-Ahmed, M, Voss, A, Graf, T, Rytz, D, Hoenninger, C, Mottay, E, Georges, P, Druon, F
Format: Article
Language:English
Subjects:
Femtosecond
Lasers
Oscillators
Pulse duration
Online Access:Get full text
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Summary:A mode-locked thin-disk laser based on Yb:CALGO is demonstrated for the first time. At an average output power of 28 W we obtained pulses with a duration of 300 fs and a pulse energy of 1.3 mu J. 197 fs pulses with 0.9 mu J of energy were achieved at an average output power of 20 W. The shortest pulse duration measured in our experiments was 135 fs with a spectrum centered at 1043 nm. The experiments also revealed a very broad tunability from 1032 to 1046 nm with sub-200 fs pulses.
ISSN:0146-9592