High Refractive Index Glass Substrate M 100 Series

High Refractive Index Glass Substrate

High refractive index & high transmittance glass substrates for “AR (Augmented reality) glasses and smart glasses.”

High refractive index glass
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High refractive index & high transmittance glass
Applications
  • Glass waveguide used on AR/MR smart glasses
  • Glass waveguide for automotive head-up display
Features
  • High refractive index
  • Low absorption loss
  • Hight flatness
  • Surface smoothness
  • Good thermal and chemical reliabilities

Specifications for High Refractive Index Glass Substrate

High Refractive Index Glass Properties　M100 Series

Type M110 M120 M135 M150 M160 M200
Refractive Index 1.80 1.90 1.95 2.00 2.04 2.10
Internal Transmittance@460nm(10mm) ≧99% ≧97% ≧96% ≧97% ≧97% ≧97%
Abbeʼs Number 47 31 30 29 26 18
Size 6/8/12inch*
Notch / Orientation Flat Available
Thickness ≧0.3mm
TTV Normal Grade: ≦0.5μm / Fine Grade: ≦0.2μm
Surface Roughness <0.5nm
Scratch/Dig 40/20**
Anti Reflection Coating*** Available
  • *Depends on glass type
  • **MIL-PRF-13830B
  • ***Also available for other optical coating and can be customized.
    For coatings other than AR coating, please contact us.