Abstract

We demonstrate a direct measurement for parametric gain characterization of MgO:LiNbO3 crystal in injection-seeded terahertz (THz)-wave parametric generation pumped by 0.59-ns microchip Nd:YAG laser. We experimentally determined the gain coefficient and threshold length by measuring THz-wave output as a function of crystal length.

© 2015 Optical Society of America

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