光学元件标识升级公告
液晶聚合物/N-BK7窗口片材质，三明治平片结构
液晶分子快轴取向沿x轴呈周期逐渐减小的连续型渐变分布
偏振相关，可基于入射光的偏振态实现光单一方向上的会聚或发散
液晶分子快轴取向沿径向呈周期逐渐减小的连续型渐变分布
偏振相关，可基于入射光的偏振态实现光的会聚或发散
液晶聚合物/N-BK7窗口片，三明治平片结构
液晶分子快轴取向沿基片径向呈等周期渐变分布，λ/2延迟量
偏振相关，可用于实现光束环形会聚或发散，可用于生成贝塞尔光束
用于光束一维整形和匀化
平板结构，衍射原理
偏振相关
用于激光匀束、光束整形
偏振相关，入射光束中的右旋或左旋圆偏振光分量，经过微透镜单元后发散或会聚，且出射光圆偏振态与入射光圆偏振态相反
平板器件，衍射原理
液晶聚合物/N-BK7窗口片材质，单层衬底结构
可生成多个光强相等的焦点，焦点距离可设计
入射光斑尺寸需要与通光孔径相等
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