产品简介 平凸透镜

 

它们具有负的焦距，被用于发散一束平行光。平凸透镜则是一面是球面，一面为平面的。中间也薄于两边。

 

 

                        平凸透镜特征

 

材料Material                                          H-K9L(Schoot BK7)

焦距公差Focal Lenth Tolerance                 ±1%

外形公差Diameter Tolerance                    +0.0/-0.1mm

厚度公差Thickness Tolerance                   ±0.1mm

面   型Surface Accuracy                         λ/4@632.8nm

光洁度Surface Quality                          40-20

偏   心Centration                                  ＜3 arc min

有效孔径Clear Aperture                           ＞90%

倒   边Bevelling                                    ＜0.2×45°

                                                           A:AR Coating 350nm-650nm

镀   膜Coating                                     B:AR Coating 650nm-1050nm

                                                          C:AR Coating 1050nm-1580nm

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