Temperature-dependent stimulated emission cross section in Nd3+ : YVO4 crystals

    Authors

    G. Turri; H. P. Jenssen; F. Cornacchia; M. Tonelli;M. Bassi

    Comments

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    Abbreviated Journal Title

    J. Opt. Soc. Am. B-Opt. Phys.

    Keywords

    CONTINUOUS-WAVE OPERATION; PUMPED ND-YVO4 LASER; SINGLE-CRYSTALS; ENERGY-LEVELS; 1342 NM; NEODYMIUM; ABSORPTION; YAG; Optics

    Abstract

    Spectroscopic properties of neodymium-doped yttrium orthovanadate crystals were measured in the temperature range between 5 and 350 K. Crystals fabricated by different suppliers, with 0.3 and 1 at% Nd3+, were compared. For each temperature, the stimulated emission cross sections of the Nd3+ F-4(3/2) decay to the I-4(9/2), I-4(1/2), and I-4(13/2) 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+ F-4(3/2) excited-state lifetime is discussed and an explanation is suggested. (C) 2009 Optical Society of America

    Journal Title

    Journal of the Optical Society of America B-Optical Physics

    Volume

    26

    Issue/Number

    11

    Publication Date

    1-1-2009

    Document Type

    Article

    Language

    English

    First Page

    2084

    Last Page

    2088

    WOS Identifier

    WOS:000272143000017

    ISSN

    0740-3224

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