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Wavelength stabilization of extended-cavity tapered lasers with volume Bragg gratings
G. Lucas-Leclin1, D. Paboeuf1, P. Georges1, J. Holm2, P. Andersen2, B. Sumpf3, G. Erbert3
1 Laboratoire Charles Fabry de l’Institut d’Optique, CNRS, Univ Paris-Sud, RD128, 91127 Palaiseau, France
2Risø National Laboratory, 4000 Roskilde, Denmark
3 Ferdinand-Braun-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Straße 4, D-12489 Berlin, Germany
Published in:
Appl. Phys. B, vol. 91, vo. 3-4, pp. 493-498 (2008).
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Abstract:
The wavelength stabilization of high-brightness
extended-cavity lasers at 810-nm by the use of volume Bragg
gratings is described. Narrow linewidth (<20 pm), high power
(2.5 W) and good beamquality (M2 < 4) operation has been obtained
in a robust and simple design. The impact of the beam
focusing into the Bragg grating on the external cavity performance
has been theoretically and experimentally investigated.
Finally, second-harmonic generation of the infrared beam has
been obtained in a ppKTP crystal, demonstrating a non-linear
conversion efficiency of 0.8%/W and up to 8 mW at 405 nm.
PACS
42.40.Pa; 42.55.Px; 42.60.By; 42.65.Ky
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