Growth and spectral characteristics of Nd3+ in calcium lithium niobium gallium garnet (CLNGG) crystals

Aurelia Lupei; Voicu Lupei; Eugen Osiac; L. Gheorghe; M. Petrache; C. Stoicescu; A. Petraru

doi:10.1117/12.378702

23 February 2000 Growth and spectral characteristics of Nd³⁺in calcium lithium niobium gallium garnet (CLNGG) crystals

Aurelia Lupei, Voicu Lupei, Eugen Osiac, L. Gheorghe, M. Petrache, C. Stoicescu, A. Petraru

Proceedings Volume 4068, SIOEL '99: Sixth Symposium on Optoelectronics; (2000) https://doi.org/10.1117/12.378702
Event: SIOEL: Sixth Symposium of Optoelectronics, 1999, Bucharest, Romania

Abstract

Laser crystals with disordered structure present a series of advantages for diode pumping or short pulse generation as compared with ordered crystal. Such a system proved to be calcium lithium niobium gallium garnet (CLNGG) doped with Nd³⁺. The papers present the growth and x-ray analysis of specially doped CLNGG. Very few spectroscopic data on this system have been previously published. The paper present low temperature absorption spectra, site selective excitation and lifetime measurements of Nd³⁺ in CLNGG. At least four distinct nonequivalent centers are observed, the spectral lines for every center presenting a disordered Gaussian shape. based on structural, spectral static and emission dynamics data an attempt of modeling the structure of these centers is proposed.

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Aurelia Lupei, Voicu Lupei, Eugen Osiac, L. Gheorghe, M. Petrache, C. Stoicescu, and A. Petraru "Growth and spectral characteristics of Nd³⁺in calcium lithium niobium gallium garnet (CLNGG) crystals", Proc. SPIE 4068, SIOEL '99: Sixth Symposium on Optoelectronics, (23 February 2000); https://doi.org/10.1117/12.378702

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