NEWPORT 优铂特 20QM20HM.15-G 高能量 Nd:YAG 激光器

NEWPORT   优铂特     20QM20HM.15-G      高能量 Nd:YAG 激光器

Nd:YAG Laser Mirror, High-Energy, 50.8 mm, 45°, 1064 nm, S2 Ground

The 20QM20HM.15-G is a 50.8 mm diameter, 9.65 mm thick High Energy Nd:YAG Laser Mirror coated for the fundamental 1064 nm wavelengths. Its reflectivity at this wavelength is greater than 99% for both s- and p-polarization, and it is optimized for 45° AOI. The back surface is ground.

UV Fused Silica Substrate

Fused Silica is synthetic amorphous silicon dioxide of extremely high purity. This non-crystalline, colorless silica glass combines a low content of inclusions with high refractive index homogeneity, a very low thermal expansion coefficient, and excellent transmittance in the wavelength regime from UV to NIR. As a result, these mirrors will perform better with temperature fluctuations and is ideal for high-energy laser applications due to its high energy damage threshold.

参数

• 波长区域

  IR

  
  

• 波长范围

  1064 nm

  
  

• 镜片形状

  Round

  
  

• 直径

  50.8 mm

  
  

• 材料

  UV Grade Fused Silica

  
  

• 涂层类型

  Ultra-hard Dielectric

  
  

• 涂层代码

  HM.15

  
  

• 反射率

  Rs>99.7%, Rp>99% @ 1064 nm

  
  

• 表面质量

  10-5 scratch-dig

  
  

• 表面平面度

  λ/10 at 632.8 nm

  
  

• 楔形

  ≤3 arc min

  
  

• 入射角

  45°

  
  

• 通光孔径

  ≥central 80% of diameter

  
  

• S2 表面

  Ground

  
  

• 厚度

  9.65 mm

  
  

• 厚度公差

  ±0.5 mm

  
  

• 直径公差

  +0/-0.25 mm

  
  

• 倒角

  0.38–1.14 mm face width

  
  

• 倒角公差

  45° ±15°

  
  

• 损伤阈值

  3 KW/cm2
  CW 45 J/cm2 @ 10 ns, 20 Hz

  
  

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