NTT Advanced Technology produces high precision, nm-order optical components including several types of gratings. We fabricate a variety of optical components, making use of advanced nano fabrication technologies.

NTT-AT fabricates custom-made gratings, anti-reflection structures, Ta Wire grid polarizers and Ta pin holes.


  • Multi-Channel Grating
  • Reflection Type Grating
  • V-Groove Grating
  • High Aspect Ratio Grating
  • Anti-Reflection Structure
  • Ta Wire Grid
  • Ta Pin Hole


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