plus sphero-cylinder

Have studied the nonspherical lens and the lens duct coupling systems chiefly.

介绍了目前在LD纵向抽运的固体激光器中可以采用的各种耦合系统 ,分析了它们的优缺点及适用范围 ,重点研究了非球面柱透镜系统和透镜导管耦合系