The 20DC2000ER.1 enhanced aluminum concave mirror is used for focusing, collecting, and imaging with no chromatic aberration. This mirror can be used to manipulate laser beams or other broadband sources. This family of mirrors are available in three sizes, 12.7, 25.4, and 50.8 mm diameter, with radii of curvature from 25-2000 mm. This mirror is 50.8 mm in diameter, with an EFL of 1000 mm and coated for a wavelength range of 450-700 nm.
波长范围
450-700 nm
镜片形状
Concave
直径
50.8 mm
有效焦距
1000 mm
F/#
19.7
曲率半径
-2000 mm
材料
Borofloat® 33
镀膜类型
Enhanced Aluminum
镀膜代码
ER.1
表面质量
40-20 scratch-dig
表面平面度
λ/4 at 632.8 nm
中心厚度
9.37 mm
入射角
0-15°
S2 表面
Fine ground
反射率
Ravg>93%, Rmin>90 % @ 450-700 nm
损伤阈值
0.5 J/cm² with 10 ns pulses at 532 nm, 20Hz
边缘厚度
9.65 mm
厚度公差
±0.25 mm
直径公差
+0/-0.13 mm
倒角
0.25–0.76 mm face width
楔形
≤0.03 mm
清洁
20 dc2000er。1增强铝凹面镜用于聚焦、采集和成像,无色差。这面镜子可以用来操作激光束或其他宽带源。该系列镜子有12.7、25.4和50.8 mm直径三种尺寸,曲率半径从25-2000 mm。这面镜子直径50.8 mm,英语为EFL(外语为1000 mm),涂层波长范围450-700 nm。