The 20Q620BB.HR2 BroadBeam High Reflector Laser Mirror is 50.8 mm in diameter, 9.4 mm thick, and is coated for 350-1100 nm, optimized for 0-50° angle of incidence. BroadBeam High Reflectors have an average reflectivity of 97.5% or better. They are manufactured using UV grade fused silica substrates and metal-dielectric hybrid coating. The BB.HR2 coating covers wavelengths from the UV to the visible to the IR.

• 波长区域

  Broadband

• 波长范围

  350-1100 nm

• 镜片形状

  Round

• 镜片尺寸

  Ø50.8 mm

• 材料

  UV Grade Fused Silica

• 镀膜类型

  Metal-Dielectric

• 镀膜代码

  BB.HR2

• 表面质量

  40-20 scratch-dig

• 表面平面度

  λ/10 at 632.8 nm

• 基板编号

  20Q620

• 入射角

  0-50°

• 通光孔径

  ≥central 80% of diameter

• 反射率

  Rave>97.5% @ 0-50° AOI @ 350-1100 nm

• 损伤阈值

  2 J/cm² with 20 nsec pulses @ 532 nm

• 厚度

  9.4 mm

• 厚度公差

  ±0.38 mm

• 直径

  50.8 mm

• 直径公差

  +0/-0.13 mm

• 倒角

  0.5 mm nominal

• 倒角公差

  45° ±15°

• 清洁

  See How to Clean Optics

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20 q620bb。的HR2 BroadBeam高反射激光镜直径50.8毫米,9.4毫米厚,涂层在350 - 1100海里,优化0-50°入射角。宽波束高反射镜的平均反射率为97.5%或更高。采用紫外级熔融二氧化硅基体和金属-介电混合涂层制造。BB。HR2涂层覆盖了从紫外到可见光再到红外的波长。