球面透镜

双凹透镜
双凹透镜
双凹透镜
双凹透镜

双凹透镜

负焦距双凹透镜,用于扩束镜、光学图像、激光系统等。

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范围

结构 双凹透镜
材质 光学玻璃、UVFS、锗、硅、CaF2、MgF2、ZnSe ZnS、蓝宝石
可用直径 0.5毫米至600毫米
直径公差 +0.00/-0.01mm 或客户设计
表面质量 10-5
表面不规则度 λ/10 PV @632.8nm 或客户设计
厚度公差 +0/-0.01mm
通光孔径 > 直径的 90%
倒角 0.05-0.5mmx45度
居中
涂层 单 Mag2、多层增透膜
答:350-650nm
B:650-1050nm
C:1050-1585nm
D:客户设计


Bk7标准双凹透镜

不。 有效长度(毫米) 直径(毫米) R1=R2(毫米) 材质 温度(毫米) 碲(毫米)
SD4A12 -20 12.70 21.08 黑7 2.00 3.96
SD4A13 -30 12.70 31.48 黑7 2.00 3.29
SD4A14 -40 12.70 41.48 黑7 2.00 2.97
SD4A15 -50 12.70 52.24 黑7 2.00 2.78
SD4A25 -50 25.40 52.17 黑7 2.00 5.10
SD4A27 -75 25.40 78.09 黑7 2.00 4.10
SD4A210 -100 25.40 104.00 黑7 2.00 3.60
SD4A215 -150 25.40 156.00 黑7 2.00 3.00
SD4A220 -200 25.40 207.66 黑7 2.00 2.80
SD4A225 -250 25.40 259.49 黑7 2.00 2.60


凹透镜成像规律光路图

双凹透镜

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