Precision Thin Round Windows

  • Manufactured from high quality UV grade fused silica
  • Precision polished on both surfaces (20-10 scratch & dig)
  • Parallelism up to 30 arcsec

Precision thin round windows are designed to be used in precision optical systems. Windows have high optical transmission with little distortion of the transmitted signal.  

 

If you would like to order a window with coating, please note the code of the window and the code of the coating in your request. For required coating please refer to the COATINGS section.

Delivery

Estimated delivery time: from 4 - 5 days

Material
Diameter
Thickness T
Flatness
Parallelism

Parallelism - 30 arcsec

Code Material Diameter Thickness T Flatness Parallelism Price Delivery Add to cart
226-1111E UV FS 12.7 mm 1.0 mm λ/10 30 arcsec 73 $ 4 - 5 days To cart
226-1111M UV FS 12.5 mm 1.0 mm λ/10 30 arcsec 73 $ Request To cart
226-1121E UV FS 12.7 mm 2.0 mm λ/10 30 arcsec 65 $ 4 - 5 days To cart
226-1121M UV FS 12.5 mm 2.0 mm λ/10 30 arcsec 65 $ Request To cart
226-1191 UV FS 20.0 mm 1.0 mm λ/10 30 arcsec 101 $ 4 - 5 days To cart
226-1201 UV FS 20.0 mm 2.0 mm λ/10 30 arcsec 90 $ Request To cart
226-1211E UV FS 25.4 mm 1.0 mm λ/10 30 arcsec 119 $ Request To cart
226-1211M UV FS 25.0 mm 1.0 mm λ/10 30 arcsec 119 $ 4 - 5 days To cart
226-1221E UV FS 25.4 mm 2.0 mm λ/10 30 arcsec 107 $ 4 - 5 days To cart
226-1221M UV FS 25.0 mm 2.0 mm λ/10 30 arcsec 107 $ Request To cart
226-1531E UV FS 50.8 mm 3.0 mm λ/10 30 arcsec 237 $ 4 - 5 days To cart
226-1531M UV FS 50.0 mm 3.0 mm λ/10 30 arcsec 237 $ 4 - 5 days To cart

Parallelism - 1 arcmin

Code Material Diameter Thickness T Flatness Parallelism Price Delivery Add to cart
226-1116E UV FS 12.7 mm 1.0 mm λ/4 1 arcmin 46 $ Request To cart
226-1116M UV FS 12.5 mm 1.0 mm λ/4 1 arcmin 46 $ Request To cart
226-1126E UV FS 12.7 mm 2.0 mm λ/4 1 arcmin 42 $ Request To cart
226-1126M UV FS 12.5 mm 2.0 mm λ/4 1 arcmin 42 $ Request To cart
226-1216E UV FS 25.4 mm 1.0 mm λ/4 1 arcmin 67 $ 4 - 5 days To cart
226-1216M UV FS 25.0 mm 1.0 mm λ/4 1 arcmin 67 $ Request To cart
226-1226E UV FS 25.4 mm 2.0 mm λ/4 1 arcmin 61 $ 4 - 5 days To cart
226-1226M UV FS 25.0 mm 2.0 mm λ/4 1 arcmin 61 $ Request To cart
226-1516E UV FS 50.8 mm 1.0 mm λ/4 1 arcmin 197 $ 4 - 5 days To cart
226-1516M UV FS 50.0 mm 1.0 mm λ/4 1 arcmin 197 $ Request To cart
226-1526E UV FS 50.8 mm 2.0 mm λ/4 1 arcmin 177 $ Request To cart
226-1526M UV FS 50.0 mm 2.0 mm λ/4 1 arcmin 177 $ 4 - 5 days To cart
226-1536E UV FS 50.8 mm 3.0 mm λ/4 1 arcmin 160 $ Request To cart
226-1536M UV FS 50.0 mm 3.0 mm λ/4 1 arcmin 160 $ Request To cart
Delicious
Material UV FS
Surface quality 20-10 scratch & dig (MIL-PRF-13830B)
Clear aperture >90 % of diameter
Diameter tolerance +0.00/-0.12 mm
Thickness tolerance ±0.2 mm
Surface flatness λ/10 or λ/4 @ 633 nm
Parallelism <30 arcsec or <1 arcmin

 

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