Serie IF Wedge 30 ±5 minutes

• Substrate material: Suprasil 1, UV grade fused silica or BK7
  
• Wedge tolerance: 30 ±5 minutes

TF & RF series Transmission flats are mounted on interferometers to measure flat substrates.

• Material: Fused Silica - Transmission flat
  
• Material: zeroduc glass - reference flat
  
• Surface figure: λ20 at 633nm - reference surface
  
• Anti-reflection coated: transmission flat-reference surface uncoated
  
• Wedge surface R ≤0.25% at 633nm

Serie TSC Transmission spheres are used to measure convex or concav spherical surfaces.They are designed to fit most commercially available interferometers, including the Zygo® 33mm although at a different f/#.

• Substrate material: Fused Silica
  
• Surface figure: λ10 at 633nm
  
• 2" and 4" clear apertures standard
  
• Compatible with standard bayonet-style GPI mounts