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Tunable ytterbium lasers

机译:可调ytterbium激光器

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Trivalent ytterbium has been shown to have favorable properties over trivalent neodymium as a 1 /spl mu/m laser source when pumped at 940 or 968 nanometers. These properties include a broader absorption band, a longer fluorescence lifetime and smaller photon decrement between the pump beam and the Yb/sup 3+/ laser emission. An additional feature of the ytterbium ion is a broader fluorescence linewidth (compared to Nd/sup 3+/:YAG) which allows for tunable performance and flexibility in the selection of an output wavelength. The simple energy level scheme of Yb/sup 3+/ makes it useful for resonant pumping without the inherent problems of excited state absorption and upconversion processes. In the paper the authors report on the performance of Yb:YAG and Yb:GSGG with CW pumping.
机译:在泵送在940或968纳米时,三价镱已被证明在三价钕上具有良好的性能作为1 / SPL MU / M激光源。这些性质包括更广泛的吸收带,更长的荧光寿命和泵浦光束和Yb / Sup 3 + /激光发射之间的光子衰减。 YTTerbium离子的另一个特征是更广泛的荧光线宽(与ND / SUP 3 + /:YAG相比),其允许在选择输出波长方面进行可调性能和柔韧性。 YB / SUP 3 + /使得可用于谐振泵送的简单能量水平方案,而无需激发状态吸收和上变化过程的固有问题。在论文中,作者报告了YB的性能:YAG和YB:GSGG与CW泵送。

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