目标：在全国155000个饮用水系统内安装磷光毒物探测器。
Task: Install phosphorescent poison detectors at the nation's 155, 000 drinking-water systems.
介绍了以掺磷光纤为增益介质的一阶喇曼光纤激光器的一般结构模型和耦合方程组。
A typical structural model and a coupled equation group of a one-order Raman fiber optical laser using P-doped optical fiber as its gain medium are presented.
如图2所示，波长转换元件110包括嵌于透明薄膜114中的磷光体颗粒112，透明薄膜114附接到光学集中器108上。
As illustrated in FIG. 2, the wavelength converting element 110 includes phosphor grains 112 embedded in a transparent film 114 that is attached to the optical concentrator 108.
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