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Blue laser emission by intracavity second harmonic generation in Nd:ASL pumped by a tapered amplifier laser diode stabilized by a volume Bragg grating

Abstract : We present the diode pumping of a Nd:ASL (Sr$_{1-x}$La$_{x-y}$Nd$_y$Mg$_x$Al$_{12-x}$O$_{19}$) 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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https://hal-iogs.archives-ouvertes.fr/hal-00522810
Contributor : Gaëlle Lucas-Leclin Connect in order to contact the contributor
Submitted on : Friday, October 1, 2010 - 7:07:39 PM
Last modification on : Thursday, September 29, 2022 - 5:02:53 AM

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David Pabœuf, Gaëlle Lucas-Leclin, Patrick Georges, Bernd Sumpf, Götz Ebert, 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. Applied Physics B - Laser and Optics, Springer Verlag, 2008, 92 (2), pp.189-193. ⟨10.1007/s00340-008-3079-2⟩. ⟨hal-00522810⟩

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