A New Generation of Nonlinear Optical and Laser Crystals of Rare Earth Borate and Tantalate Familiesстатья

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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.

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[1] A new generation of nonlinear optical and laser crystals of rare earth borate and tantalate families / N. I. Leonyuk, E. Cavalli, G. Calestani et al. // Journal of Optoelectronics and Advanced Materials. — 2007. — Vol. 9. — P. 1206–1214. RE:YAl3(BO3)4 (RE = Yb, Er) and RETa7O19 (RE = Y, Nd, La) single crystals have been obtained using K2Mo3O10 based flux by spontaneous nucleation as well as dipping seeded high-temperature solution growth. Their composition and physical characteristics were compared in light of the growth conditions. It was found that the average RE segregation coefficients vary from 0.80 to 1.02. The spectroscopic and stimulated emission properties of (Er,Yb):YAl3(BO3)4 crystals have been investigated and efficient continuous-wave (CW) and Q-switched pulsed laser operation under diode pumping have been demonstrated. The absorption and emission spectra of Nd3+:YTa7O19 (Nd:YHT), and Nd3+:LaTa7O19 were measured at 10 and 300 K. The absorption and emission spectra of Nd:YHT, and NdTa7O19 were studied at 10 and 300 K and are discussed on the basis of the structural data. The room temperature spectra show a marked inhomogeneous broadening that makes these crystals promising for tunable solid-state laser applications.

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