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Precision Round Windows

Precision Round Windows

Precision round windows are made from UVFS or BK7 and polished on both surfaces (20-10 scratch&dig). Parallelism is up to 3 arcsec.

from 19 $
delivery Estimated delivery time: 4 - 5 days
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Products
Specifications
Brochures
Description
Material
Diameter
Thickness T
Flatness
Parallelism
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BK7, 30 arcsec
Code Material Diameter Thickness T Flatness Parallelism Price Delivery Add to cart
220-0101E BK7 12.7 mm 3 mm λ/10 30 arcsec 31 $ 4 - 5 days
220-0101M BK7 12.5 mm 3 mm λ/10 30 arcsec 31 $ Request
220-0161E BK7 12.7 mm 6 mm λ/10 30 arcsec 28 $ 4 - 5 days
220-0161M BK7 12.5 mm 6 mm λ/10 30 arcsec 28 $ Request
220-0191 BK7 20.0 mm 3 mm λ/10 30 arcsec 39 $ 4 - 5 days
220-0201E BK7 25.4 mm 6 mm λ/10 30 arcsec 43 $ 4 - 5 days
220-0201M BK7 25.0 mm 6 mm λ/10 30 arcsec 43 $ Request
220-0211 BK7 20.0 mm 5 mm λ/10 30 arcsec 34 $ 4 - 5 days
220-0231E BK7 25.4 mm 3 mm λ/10 30 arcsec 49 $ 4 - 5 days
220-0231M BK7 25.0 mm 3 mm λ/10 30 arcsec 49 $ Request
220-0462E BK7 38.1 mm 6 mm λ/10 30 arcsec 62 $ 4 - 5 days
220-0462M BK7 40.0 mm 6 mm λ/10 30 arcsec 62 $ Request
220-0402E BK7 38.1 mm 8 mm λ/10 30 arcsec 56 $ 4 - 5 days
220-0402M BK7 40.0 mm 8 mm λ/10 30 arcsec 56 $ Request
220-0562E BK7 50.8 mm 6 mm λ/10 30 arcsec 86 $ 4 - 5 days
220-0562M BK7 50.0 mm 6 mm λ/10 30 arcsec 86 $ Request
220-0582E BK7 50.8 mm 8 mm λ/10 30 arcsec 78 $ 4 - 5 days
220-0582M BK7 50.0 mm 8 mm λ/10 30 arcsec 78 $ 4 - 5 days
220-0502E BK7 50.8 mm 10 mm λ/10 30 arcsec 72 $ Request
220-0502M BK7 50.0 mm 10 mm λ/10 30 arcsec 72 $ Request
220-0722E BK7 76.2 mm 12.7 mm λ/10 30 arcsec 182 $ 4 - 5 days
220-0722M BK7 75.0 mm 12.7 mm λ/10 30 arcsec 182 $ Request
220-0752E BK7 76.2 mm 15 mm λ/10 30 arcsec 165 $ 4 - 5 days
220-0752M BK7 75.0 mm 15 mm λ/10 30 arcsec 165 $ Request
220-0852E BK7 101.6 mm 15 mm λ/10 30 arcsec 264 $ Request
220-0852M BK7 100.0 mm 15 mm λ/10 30 arcsec 264 $ Request
BK7, 3 arcsec
Code Material Diameter Thickness T Flatness Parallelism Price Delivery Add to cart
220-0103E BK7 12.7 mm 3 mm λ/10 3 arcsec 49 $ 4 - 5 days
220-0103M BK7 12.5 mm 3 mm λ/10 3 arcsec 49 $ Request
220-0163E BK7 12.7 mm 6 mm λ/10 3 arcsec 45 $ Request
220-0163M BK7 12.5 mm 6 mm λ/10 3 arcsec 45 $ Request
220-0193E BK7 12.7 mm 10 mm λ/10 3 arcsec 41 $ Request
220-0193M BK7 12.5 mm 10 mm λ/10 3 arcsec 41 $ Request
220-0203E BK7 25.4 mm 6 mm λ/10 3 arcsec 76 $ Request
220-0203M BK7 25.0 mm 6 mm λ/10 3 arcsec 76 $ 4 - 5 days
220-0293E BK7 25.4 mm 10 mm λ/10 3 arcsec 68 $ Request
220-0293M BK7 25.0 mm 10 mm λ/10 3 arcsec 68 $ Request
220-0403E BK7 38.1 mm 10 mm λ/10 3 arcsec 98 $ Request
220-0403M BK7 40.0 mm 10 mm λ/10 3 arcsec 98 $ Request
220-0503E BK7 50.8 mm 12 mm λ/10 3 arcsec 131 $ 4 - 5 days
220-0503M BK7 50.0 mm 12 mm λ/10 3 arcsec 131 $ Request
BK7, 3 arcmin
Code Material Diameter Thickness T Flatness Parallelism Price Delivery Add to cart
220-0106E BK7 12.7 mm 3 mm λ/4 1 arcmin 21 $ Request
220-0106M BK7 12.5 mm 3 mm λ/4 1 arcmin 21 $ Request
220-0166E BK7 12.7 mm 6 mm λ/4 1 arcmin 19 $ Request
220-0166M BK7 12.5 mm 6 mm λ/4 1 arcmin 19 $ Request
220-0236E BK7 25.4 mm 3 mm λ/4 1 arcmin 25 $ 4 - 5 days
220-0236M BK7 25.0 mm 3 mm λ/4 1 arcmin 25 $ Request
220-0206E BK7 25.4 mm 6 mm λ/4 1 arcmin 24 $ Request
220-0466E BK7 38.1 mm 6 mm λ/4 1 arcmin 42 $ Request
220-0466M BK7 40.0 mm 6 mm λ/4 1 arcmin 42 $ Request
220-0406E BK7 38.1 mm 8 mm λ/4 1 arcmin 41 $ Request
220-0406M BK7 40.0 mm 8 mm λ/4 1 arcmin 41 $ Request
220-0566E BK7 50.8 mm 6 mm λ/4 1 arcmin 61 $ Request
220-0566M BK7 50.0 mm 6 mm λ/4 1 arcmin 61 $ Request
220-0586E BK7 50.8 mm 8 mm λ/4 1 arcmin 57 $ Request
220-0586M BK7 50.0 mm 8 mm λ/4 1 arcmin 57 $ Request
220-0786E BK7 76.2 mm 8 mm λ/4 1 arcmin 160 $ Request
220-0786M BK7 75.0 mm 8 mm λ/4 1 arcmin 160 $ Request
220-0726E BK7 76.2 mm 12.7 mm λ/4 1 arcmin 149 $ Request
220-0726M BK7 75.0 mm 12.7 mm λ/4 1 arcmin 149 $ Request
UVFS, 30 arcsec
Code Material Diameter Thickness T Flatness Parallelism Price Delivery Add to cart
220-1101E UV FS 12.7 mm 3 mm λ/10 30 arcsec 47 $ 4 - 5 days
220-1101M UV FS 12.5 mm 3 mm λ/10 30 arcsec 47 $ Request
220-1161E UV FS 12.7 mm 6 mm λ/10 30 arcsec 44 $ 4 - 5 days
220-1161M UV FS 12.5 mm 6 mm λ/10 30 arcsec 44 $ Request
220-1191 UV FS 20.0 mm 3 mm λ/10 30 arcsec 50 $ 4 - 5 days
220-1211 UV FS 20.0 mm 5 mm λ/10 30 arcsec 47 $ 4 - 5 days
220-1231E UV FS 25.4 mm 3 mm λ/10 30 arcsec 63 $ 4 - 5 days
220-1231M UV FS 25.0 mm 3 mm λ/10 30 arcsec 63 $ 4 - 5 days
220-1201E UV FS 25.4 mm 6 mm λ/10 30 arcsec 54 $ 4 - 5 days
220-1201M UV FS 25.0 mm 6 mm λ/10 30 arcsec 54 $ Request
220-1462E UV FS 38.1 mm 6 mm λ/10 30 arcsec 88 $ Request
220-1462M UV FS 40.0 mm 6 mm λ/10 30 arcsec 88 $ Request
220-1402E UV FS 38.1 mm 8 mm λ/10 30 arcsec 99 $ 4 - 5 days
220-1402M UV FS 40.0 mm 8 mm λ/10 30 arcsec 99 $ 4 - 5 days
220-1562E UV FS 50.8 mm 6 mm λ/10 30 arcsec 138 $ 4 - 5 days
220-1562M UV FS 50.0 mm 6 mm λ/10 30 arcsec 138 $ 4 - 5 days
220-1582E UV FS 50.8 mm 8 mm λ/10 30 arcsec 132 $ 4 - 5 days
220-1582M UV FS 50.0 mm 8 mm λ/10 30 arcsec 132 $ 4 - 5 days
220-1502E UV FS 50.8 mm 10 mm λ/10 30 arcsec 160 $ 4 - 5 days
220-1502M UV FS 50.0 mm 10 mm λ/10 30 arcsec 160 $ Request
220-1722E UV FS 76.2 mm 12.7 mm λ/10 30 arcsec 319 $ 4 - 5 days
220-1722M UV FS 75.0 mm 12.7 mm λ/10 30 arcsec 319 $ Request
220-1752E UV FS 76.2 mm 15 mm λ/10 30 arcsec 341 $ 4 - 5 days
220-1752M UV FS 75.0 mm 15 mm λ/10 30 arcsec 341 $ Request
220-1852E UV FS 101.6 mm 15 mm λ/10 30 arcsec 495 $ Request
220-1852M UV FS 100.0 mm 15 mm λ/10 30 arcsec 495 $ Request
UVFS, 3 arcsec
Code Material Diameter Thickness T Flatness Parallelism Price Delivery Add to cart
220-1103E UV FS 12.7 mm 3 mm λ/10 3 arcsec 68 $ Request
220-1103M UV FS 12.5 mm 3 mm λ/10 3 arcsec 68 $ Request
220-1163E UV FS 12.7 mm 6 mm λ/10 3 arcsec 62 $ Request
220-1163M UV FS 12.5 mm 6 mm λ/10 3 arcsec 62 $ Request
220-1193E UV FS 12.7 mm 10 mm λ/10 3 arcsec 55 $ Request
220-1193M UV FS 12.5 mm 10 mm λ/10 3 arcsec 55 $ Request
220-1203E UV FS 25.4 mm 6 mm λ/10 3 arcsec 104 $ Request
220-1203M UV FS 25.0 mm 6 mm λ/10 3 arcsec 104 $ Request
220-1293E UV FS 25.4 mm 10 mm λ/10 3 arcsec 93 $ 4 - 5 days
220-1293M UV FS 25.0 mm 10 mm λ/10 3 arcsec 93 $ Request
220-1403E UV FS 38.1 mm 10 mm λ/10 3 arcsec 153 $ Request
220-1403M UV FS 40.0 mm 10 mm λ/10 3 arcsec 153 $ Request
220-1503E UV FS 50.8 mm 12 mm λ/10 3 arcsec 204 $ Request
220-1503M UV FS 50.0 mm 12 mm λ/10 3 arcsec 204 $ Request
UVFS, 1 arcmin
Code Material Diameter Thickness T Flatness Parallelism Price Delivery Add to cart
220-1106E UV FS 12.7 mm 3 mm λ/4 1 arcmin 38 $ Request
220-1106M UV FS 12.5 mm 3 mm λ/4 1 arcmin 38 $ Request
220-1166E UV FS 12.7 mm 6 mm λ/4 1 arcmin 34 $ Request
220-1166M UV FS 12.5 mm 6 mm λ/4 1 arcmin 34 $ Request
220-1236E UV FS 25.4 mm 3 mm λ/4 1 arcmin 44 $ Request
220-1236M UV FS 25.0 mm 3 mm λ/4 1 arcmin 44 $ Request
220-1206E UV FS 25.4 mm 6 mm λ/4 1 arcmin 39 $ Request
220-1206M UV FS 25.0 mm 6 mm λ/4 1 arcmin 39 $ Request
220-1466E UV FS 38.1 mm 6 mm λ/4 1 arcmin 83 $ Request
220-1466M UV FS 40.0 mm 6 mm λ/4 1 arcmin 83 $ Request
220-1406E UV FS 38.1 mm 8 mm λ/4 1 arcmin 94 $ Request
220-1406M UV FS 40.0 mm 8 mm λ/4 1 arcmin 94 $ Request
220-1566E UV FS 50.8 mm 6 mm λ/4 1 arcmin 132 $ Request
220-1566M UV FS 50.0 mm 6 mm λ/4 1 arcmin 132 $ Request
220-1586E UV FS 50.8 mm 8 mm λ/4 1 arcmin 127 $ Request
220-1586M UV FS 50.0 mm 8 mm λ/4 1 arcmin 127 $ Request
220-1786E UV FS 76.2 mm 8 mm λ/4 1 arcmin 275 $ Request
220-1786M UV FS 75.0 mm 8 mm λ/4 1 arcmin 275 $ 4 - 5 days
220-1726E UV FS 76.2 mm 12.7 mm λ/4 1 arcmin 297 $ Request
220-1726M UV FS 75.0 mm 12.7 mm λ/4 1 arcmin 297 $ Request

Material BK7, UV FS
Surface quality 20-10 scratch & dig (MIL-PRF-13830B)
Clear aperture >90% of the 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 <3 arcsec; or <1arcmin

EKSMA Optics Precision Round Windows
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  • Manufactured from high quality UV FS and BK7
  • Precision polished on both surfaces and held parallel up to 3 arcsec

Precision rectangular windows are designed to be used in precision optical systems. Windows have high optical transmission with little distortion of the transmitted signal. We also offer anti-reflection coated precision windows for Nd:YAG laser applications.

 

If you would like to order a window with a coating of your choice, 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.

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Precision Round Windows
Precision Round Windows_1
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