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Efficient, resonantly pumped, room-temperature Er~(3+):GdVO_(4) laser

机译:高效共振泵浦室温Er〜(3 +):GdVO_(4)激光器

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We report an efficient room-temperature operation of a resonantly pumped Er~(3+):GdVO_(4) laser at 1598.5 nm. The maximum continuous wave (CW) output power of 3.5 W with slope efficiency of 56percent was achieved with resonant pumping by an Er-fiber laser at 1538.6 nm. With pumping by a commercial laser diode bar stack, a quasi-CW (QCW) output of 7.7 W and maximum slope efficiency of approx53percent versus absorbed pump power were obtained. This is believed to be the first resonantly (in-band) pumped, room-temperature Er~(3+):GdVO_(4) laser.
机译:我们报告了在1598.5 nm处共振泵浦Er〜(3 +):GdVO_(4)激光器的高效室温操作。在1538.6 nm的Er光纤激光器的共振泵浦下,可以实现3.5 W的最大连续波(CW)输出功率和56%的斜率效率。通过使用商用激光二极管棒堆叠进行泵浦,可获得7.7 W的准CW(QCW)输出和相对于吸收泵浦功率的大约53%的最大斜率效率。据信这是第一台共振(带内)泵浦室温Er〜(3 +):GdVO_(4)激光器。

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