弯月透镜
我公司能够生产多种规格、半径、基底材料不同的平凸球面镜平凸透镜、平凹透镜、双凸透镜、双凹透镜、弯月透镜等普通球面镜。也可以加工特殊球面镜如:消色差球面镜、非球面及球面镜组。
材料:光学玻璃、紫外熔石英(JGS1)、红外熔石英(JGS3)以及氟化钙(CaF2)、氟化镁(MgF2)、氟化钡(BaF2)、硒化锌(ZnSe)、锗(Ge)、硅(Si)等晶体材料
镀 膜: 按客户需求可进行镀膜
Specifications:
Material:-------------------------------------------------N-BK7, Fused
Silica,N-SF10, CaF2 etc.
Diameter Tolerance:--------------------------------+0.0/-0.15mm (General),
+0.0/-0.02mm (High Precision)
Focal Length Tolerance (mm):--------------------+/-2%
Centration:-----------------------------------------------<3 arc minutes
Clear Aperture:---------------------------------------->80% (Small Size),
>95% (Large Size)
Surface Figure X (per 25mm@632.8nm)------λ/2 (General), λ/4 (High Precision)
Surface Figure Y (per 25mm@632.8nm)------2λ (General), λ (High Precision)
Surface Quality:---------------------------------------60/40 (General), 10/5
(High Precgaision)
Protected Bevel:---------------------------------------<0.25mmx45deg
Coating:-------------------------------------------------Upon request