The temperature dependence of Nd3+ doped solid-state lasers

    Authors

    M. Bass; L. S. Weichman; S. Vigil;B. K. Brickeen

    Comments

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    Abbreviated Journal Title

    IEEE J. Quantum Electron.

    Keywords

    laser cross section; Q-switching; stimulated-emission cross section; temperature dependence; Q-SWITCHED LASERS; Engineering, Electrical & Electronic; Optics; Physics, Applied

    Abstract

    The temperature-dependent performance for long-pulse and Q-switched Nd3+ doped solid-state lasers are analyzed. Over a wide temperature range, it is shown that the output energy for. the long-pulse laser decreases with increasing temperature as does that of the actively Q-switched laser when pumped to the same level of inversion at all temperatures. Conversely, when such lasers are pumped to the amplified spontaneous emission limit at each temperature or when the laser is passively Q-switched, the output energy increases with temperature. These temperature dependencies are analytically predicted and are compared to experimental results collected on various Nd:YAG and Cr:Nd:GSGG laser systems. The laser performance data and the model developed are shown to be in close agreement when using values for the stimulated-emission cross section and its temperature derivative obtained in separate spectroscopic measurements.

    Journal Title

    Ieee Journal of Quantum Electronics

    Volume

    39

    Issue/Number

    6

    Publication Date

    1-1-2003

    Document Type

    Article

    Language

    English

    First Page

    741

    Last Page

    748

    WOS Identifier

    WOS:000183212700007

    ISSN

    0018-9197

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