Abstract
We present the diode pumping of a Nd:ASL (Sr1-xLax-yNdyMgxAl12-xO19) crystal for second harmonic generation at 453 nm. We have developed a high-brightness pump source based on a tapered amplifier in an extended cavity with a volume Bragg grating for wavelength stabilization. A pump brightness of 110 MW cm-2 sr-1 is obtained with a linewidth lower than 80 pm at 798 nm. This laser source is used to pump a Nd:ASL crystal to obtain 300 mW at 906 nm and 53 mW at 453 nm by intracavity doubling with a LBO crystal.
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42.55.Xi; 42.55.Px; 42.65.Ky
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Paboeuf, D., Lucas-Leclin, G., Georges, P. et al. Blue laser emission by intracavity second harmonic generation in Nd:ASL pumped by a tapered amplifier laser diode stabilized by a volume Bragg grating. Appl. Phys. B 92, 189–193 (2008). https://doi.org/10.1007/s00340-008-3079-2
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DOI: https://doi.org/10.1007/s00340-008-3079-2