✦ LIBER ✦

Crystal growth, optical properties, and continuous-wave laser operation of Nd3+-doped CaNb2O6 crystal

✍ Scribed by Y. Cheng; X.D. Xu; Z. Xin; X.B. Yang; X.D. Xiao; D.Z. Li; C.C. Zhao; J. Xu; S.M. Zhou

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 141 KB
Volume: 6
Category: Article
ISSN: 1612-2011
DOI: 10.1002/lapl.200910065

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✦ Synopsis

Laser crystal Nd:CaNb 2 O 6 with excellent quality has been grown by Czochralski technique. The effective segregation coefficient of Nd 3+ was studied by X-ray fluorescence method. The polarized absorption spectra and the fluorescence spectra of Nd:CaNb2O6 were measured at room temperature. The peak absorption cross section was calculated to be 6.202×10 -20 cm 2 with a broad FWHM of 7 nm at 808 nm for E a light polarization. The emission cross section at 1062 nm is 9.87×10 -20 cm 2 .

We report what we believe to be the first demonstration of the continuous-wave Nd:CaNb 2 O 6 laser operation under diode pumping. Output power of 1.86 W at 1062 nm was obtained with a slope efficiency of 19% in the CW regime. Output power, W 1.0 1.5 2.0 0.

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