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Frequency-Stabilized Surface Emitting Diode Laser Arrays with Monolithic 45 Degree Turning Mirrors

机译:具有整体式45度转向镜的频率稳定的表面发射二极管激光器阵列

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High power solid-state directed-energy lasers are conventionally pumped by micro-channel cooled Fabry-Perot pump bars which are stacked to form two-dimensional laser arrays. The large scale pump stacks required for weapon-class lasers are prohibitively expensive because each bar must be individually cleaved, coated, tested, and mounted on its own (and costly) cooler. Stacks of micro-coolers have other practical disadvantages, including frequent cooler failure due to cooler erosion or clogging, leakage due to o-ring failures between adjacent layers, and relatively high thermal impedance due to the edge-mounted configuration.
机译:传统上,高功率固态定向能量激光器是由微通道冷却的Fabry-Perot泵棒泵浦的,这些棒堆叠在一起以形成二维激光器阵列。武器级激光器所需的大型泵浦堆价格过高,因为每个导条必须单独切割,涂覆,测试并安装在其自身(且价格昂贵)的冷却器上。微型冷却器的堆叠还有其他实际缺点,包括由于冷却器腐蚀或堵塞而导致的频繁冷却器故障,由于相邻层之间的O形圈故障而导致的泄漏以及由于边缘安装配置而导致的相对较高的热阻。

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