Precision Grade Windows

BK7 Precision Windows, 75mm Dia, 8mm Thick,  1/4 wave, Ravg ≤0.5% @ 450-900nm

PRODUCT DESCRIPTION

Part NumberCWP-7508 VIS2
Diameter (mm):75Diameter Tolerance (mm):+0.00/-0.10
Length / width  (mm):
L/D Tolerance (mm):
Center Thickness CT (mm):8Center Thickness Tolerance (mm):±0.1
Substrate:N-BK7 or Equivalent       Surface Quality:40-20
Flatness @ 632.8nm: λ/4Parallelism< 30 Arc Seconds
Clear Aperture CA (mm):>= 90% Bevel: Protective bevel as needed
Coating:VIS 0° (450-900nm)Coating Specification:Ravg ≤0.5% @ 450-900nm
Wavelength Range (nm):450-900nmType:BK7 Precision Windows