Abstract

Spectroscopic properties of neodymium-doped yttrium orthovanadate crystals were measured in the temperature range between 5 and 350K. Crystals fabricated by different suppliers, with 0.3 and 1at% Nd3+, were compared. For each temperature, the stimulated emission cross sections of the Nd3+F324 decay to the I924, I1124, and I1324 states were obtained using the Fuchtbauer–Ladenburg and the reciprocity techniques. Nd:YVO4 shows higher absorption at room temperature and higher stimulated emission cross section with similar variation with temperature when compared with Nd:YAG. The anomalous dependence on temperature of the Nd3+F324 excited-state lifetime is discussed and an explanation is suggested.

© 2009 Optical Society of America

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