光学元件标识升级公告
紫外熔融石英材质透镜组，以伽利略结构集成于机械外壳中
针对衍射极限优化设计，无内部焦点，调节精度高
可用于实现入射激光光束不同尺寸及发散角的调节
将入射的平行光束直径扩大或缩小至一定倍数
多个M4螺纹孔便于光学系统集成
低像差、空气隙结构设计
可将入射的平行光束直径扩大或缩小至固定倍数
低像差的消色差设计
滑动透镜调节环（非旋转透镜），有效降低光束偏移
反射式设计，无色差，适合宽谱光源
在450 nm到20 μm的波长范围内具有高反射率
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