The 05DC500ER.2 protected silver 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 12.7 mm in diameter, with an EFL of 250 mm and coated for a wavelength range of 480-20,000 nm.

• 波长范围

  480-20000 nm

• 镜片形状

  Concave

• 直径

  12.7 mm

• 有效焦距

  250 mm

• F/＃

  19.7

• 曲率半径

  -500 mm

• 材料

  Borofloat® 33

• 镀膜类型

  Protected Silver

• 镀膜代码

  ER.2

• 表面质量

  40-20 scratch-dig

• 表面平面度

  λ/4 at 632.8 nm

• 中心厚度

  3.14 mm

• 入射角

  0-15°

• S2 表面

  Fine ground

• 反射率

  Ravg>96%, Rmin>93% @ 480-1100 nm;Ravg>98.5%, Rmin>97% @ 1.1-20 µm

• 损伤阈值

  1 J/cm² with 10 ns pulses at 1064 nm, 20Hz

• 边缘厚度

  3.18 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

• 倒角公差

  45° ±15°

• 楔形

  ≤0.03 mm

• 清洁

  See How to Clean Optics

05 dc500er。2保护银凹面镜用于聚焦、采集、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12.7 mm，外罩250mm的EFL，波长范围为480- 20000 nm。