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.
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.
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
BK7, 30 arcsec
CODE
MATERIAL
DIAMETER
THICKNESS T
FLATNESS
PARALLELISM
220-0101E
BK7
12.7 mm
3 mm
λ/10
30 arcsec
220-0101M
BK7
12.5 mm
3 mm
λ/10
30 arcsec
i220-0161E
BK7
12.7 mm
6 mm
λ/10
30 arcsec
220-0161M
BK7
12.5 mm
6 mm
λ/10
30 arcsec
220-0191
BK7
20.0 mm
3 mm
λ/10
30 arcsec
220-0211
BK7
20.0 mm
5 mm
λ/10
30 arcsec
220-0231E
BK7
25.4 mm
3 mm
λ/10
30 arcsec
220-0231M
BK7
25.0 mm
3 mm
λ/10
30 arcsec
220-0201E
BK7
25.4 mm
6 mm
λ/10
30 arcsec
220-0201M
BK7
25.0 mm
6 mm
λ/10
30 arcsec
220-0462E
BK7
38.1 mm
6 mm
λ/10
30 arcsec
220-0462M
BK7
40.0 mm
6 mm
λ/10
30 arcsec
220-0402E
BK7
38.1 mm
8 mm
λ/10
30 arcsec
220-0402M
BK7
40.0 mm
8 mm
λ/10
30 arcsec
220-0562E
BK7
50.8 mm
6 mm
λ/10
30 arcsec
220-0562M
BK7
50.0 mm
6 mm
λ/10
30 arcsec
220-0582E
BK7
50.8 mm
8 mm
λ/10
30 arcsec
220-0582M
BK7
50.0 mm
8 mm
λ/10
30 arcsec
220-0502E
BK7
50.8 mm
10 mm
λ/10
30 arcsec
220-0502M
BK7
50.0 mm
10 mm
λ/10
30 arcsec
220-0722E
BK7
76.2 mm
12.7 mm
λ/10
30 arcsec
220-0722M
BK7
75.0 mm
12.7 mm
λ/10
30 arcsec
220-0752E
BK7
76.2 mm
15 mm
λ/10
30 arcsec
220-0752M
BK7
75.0 mm
15 mm
λ/10
30 arcsec
220-0852E
BK7
101.6 mm
15 mm
λ/10
30 arcsec
220-0852M
BK7
100.0 mm
15 mm
λ/10
30 arcsec
BK7, 3 arcsec
CODE
MATERIAL
DIAMETER
THICKNESS T
FLATNESS
PARALLELISM
220-0103E
BK7
12.7 mm
3 mm
λ/10
3 arcsec
220-0103M
BK7
12.5 mm
3 mm
λ/10
3 arcsec
220-0163E
BK7
12.7 mm
6 mm
λ/10
3 arcsec
220-0163M
BK7
12.5 mm
6 mm
λ/10
3 arcsec
220-0193E
BK7
12.7 mm
10 mm
λ/10
3 arcsec
220-0193M
BK7
12.5 mm
10 mm
λ/10
3 arcsec
220-0203E
BK7
25.4 mm
6 mm
λ/10
3 arcsec
220-0203M
BK7
25.0 mm
6 mm
λ/10
3 arcsec
220-0293E
BK7
25.4 mm
10 mm
λ/10
3 arcsec
220-0293M
BK7
25.0 mm
10 mm
λ/10
3 arcsec
220-0403E
BK7
38.1 mm
10 mm
λ/10
3 arcsec
220-0403M
BK7
40.0 mm
10 mm
λ/10
3 arcsec
220-0503E
BK7
50.8 mm
12 mm
λ/10
3 arcsec
220-0503M
BK7
50.0 mm
12 mm
λ/10
3 arcsec
BK7, 3 arcmin
CODE
MATERIAL
DIAMETER
THICKNESS T
FLATNESS
PARALLELISM
220-0106E
BK7
12.7 mm
3 mm
λ/4
1 arcmin
220-0106M
BK7
12.5 mm
3 mm
λ/4
1 arcmin
220-0166E
BK7
12.7 mm
6 mm
λ/4
1 arcmin
220-0166M
BK7
12.5 mm
6 mm
λ/4
1 arcmin
220-0236E
BK7
25.4 mm
3 mm
λ/4
1 arcmin
220-0236M
BK7
25.0 mm
3 mm
λ/4
1 arcmin
220-0206E
BK7
25.4 mm
6 mm
λ/4
1 arcmin
220-0466E
BK7
38.1 mm
6 mm
λ/4
1 arcmin
220-0466M
BK7
40.0 mm
6 mm
λ/4
1 arcmin
220-0406E
BK7
38.1 mm
8 mm
λ/4
1 arcmin
220-0406M
BK7
40.0 mm
8 mm
λ/4
1 arcmin
220-0566E
BK7
50.8 mm
6 mm
λ/4
1 arcmin
220-0566M
BK7
50.0 mm
6 mm
λ/4
1 arcmin
220-0586E
BK7
50.8 mm
8 mm
λ/4
1 arcmin
220-0586M
BK7
50.0 mm
8 mm
λ/4
1 arcmin
220-0786E
BK7
76.2 mm
8 mm
λ/4
1 arcmin
220-0786M
BK7
75.0 mm
8 mm
λ/4
1 arcmin
220-0726E
BK7
76.2 mm
12.7 mm
λ/4
1 arcmin
220-0726M
BK7
75.0 mm
12.7 mm
λ/4
1 arcmin
UVFS, 30 arcsec
CODE
MATERIAL
DIAMETER
THICKNESS T
FLATNESS
PARALLELISM
220-1101E
UV FS
12.7 mm
3 mm
λ/10
30 arcsec
220-1101M
UV FS
12.5 mm
3 mm
λ/10
30 arcsec
220-1161E
UV FS
12.7 mm
6 mm
λ/10
30 arcsec
220-1161M
UV FS
12.5 mm
6 mm
λ/10
30 arcsec
220-1191
UV FS
20.0 mm
3 mm
λ/10
30 arcsec
220-1211
UV FS
20.0 mm
5 mm
λ/10
30 arcsec
220-1231E
UV FS
25.4 mm
3 mm
λ/10
30 arcsec
220-1231M
UV FS
25.0 mm
3 mm
λ/10
30 arcsec
220-1201E
UV FS
25.4 mm
6 mm
λ/10
30 arcsec
220-1201M
UV FS
25.0 mm
6 mm
λ/10
30 arcsec
220-1462E
UV FS
38.1 mm
6 mm
λ/10
30 arcsec
220-1462M
UV FS
40.0 mm
6 mm
λ/10
30 arcsec
220-1402E
UV FS
38.1 mm
8 mm
λ/10
30 arcsec
220-1402M
UV FS
40.0 mm
8 mm
λ/10
30 arcsec
220-1562E
UV FS
50.8 mm
6 mm
λ/10
30 arcsec
220-1562M
UV FS
50.0 mm
6 mm
λ/10
30 arcsec
220-1582E
UV FS
50.8 mm
8 mm
λ/10
30 arcsec
220-1582M
UV FS
50.0 mm
8 mm
λ/10
30 arcsec
220-1502E
UV FS
50.8 mm
10 mm
λ/10
30 arcsec
220-1502M
UV FS
50.0 mm
10 mm
λ/10
30 arcsec
220-1722E
UV FS
76.2 mm
12.7 mm
λ/10
30 arcsec
220-1722M
UV FS
75.0 mm
12.7 mm
λ/10
30 arcsec
220-1752E
UV FS
76.2 mm
15 mm
λ/10
30 arcsec
220-1752M
UV FS
75.0 mm
15 mm
λ/10
30 arcsec
220-1852E
UV FS
101.6 mm
15 mm
λ/10
30 arcsec
220-1852M
UV FS
100.0 mm
15 mm
λ/10
30 arcsec
UVFS, 3 arcsec
CODE
MATERIAL
DIAMETER
THICKNESS T
FLATNESS
PARALLELISM
220-1103E
UV FS
12.7 mm
3 mm
λ/10
3 arcsec
220-1103M
UV FS
12.5 mm
3 mm
λ/10
3 arcsec
220-1163E
UV FS
12.7 mm
6 mm
λ/10
3 arcsec
220-1163M
UV FS
12.5 mm
6 mm
λ/10
3 arcsec
220-1193E
UV FS
12.7 mm
10 mm
λ/10
3 arcsec
220-1193M
UV FS
12.5 mm
10 mm
λ/10
3 arcsec
220-1203E
UV FS
25.4 mm
6 mm
λ/10
3 arcsec
220-1203M
UV FS
25.0 mm
6 mm
λ/10
3 arcsec
220-1293E
UV FS
25.4 mm
10 mm
λ/10
3 arcsec
220-1293M
UV FS
25.0 mm
10 mm
λ/10
3 arcsec
220-1403E
UV FS
38.1 mm
10 mm
λ/10
3 arcsec
220-1403M
UV FS
40.0 mm
10 mm
λ/10
3 arcsec
220-1503E
UV FS
50.8 mm
12 mm
λ/10
3 arcsec
220-1503M
UV FS
50.0 mm
12 mm
λ/10
3 arcsec
UVFS, 1 arcmin
CODE
MATERIAL
DIAMETER
THICKNESS T
FLATNESS
PARALLELISM
220-1106E
UV FS
12.7 mm
3 mm
λ/4
1 arcmin
220-1106M
UV FS
12.5 mm
3 mm
λ/4
1 arcmin
220-1166E
UV FS
12.7 mm
6 mm
λ/4
1 arcmin
220-1166M
UV FS
12.5 mm
6 mm
λ/4
1 arcmin
220-1236E
UV FS
25.4 mm
3 mm
λ/4
1 arcmin
220-1236M
UV FS
25.0 mm
3 mm
λ/4
1 arcmin
220-1206E
UV FS
25.4 mm
6 mm
λ/4
1 arcmin
220-1206M
UV FS
25.0 mm
6 mm
λ/4
1 arcmin
220-1466E
UV FS
38.1 mm
6 mm
λ/4
1 arcmin
220-1466M
UV FS
40.0 mm
6 mm
λ/4
1 arcmin
220-1406E
UV FS
38.1 mm
8 mm
λ/4
1 arcmin
220-1406M
UV FS
40.0 mm
8 mm
λ/4
1 arcmin
220-1566E
UV FS
50.8 mm
6 mm
λ/4
1 arcmin
220-1566M
UV FS
50.0 mm
6 mm
λ/4
1 arcmin
220-1586E
UV FS
50.8 mm
8 mm
λ/4
1 arcmin
220-1586M
UV FS
50.0 mm
8 mm
λ/4
1 arcmin
220-1786E
UV FS
76.2 mm
8 mm
λ/4
1 arcmin
220-1786M
UV FS
75.0 mm
8 mm
λ/4
1 arcmin
220-1726E
UV FS
76.2 mm
12.7 mm
λ/4
1 arcmin
220-1726M
UV FS
75.0 mm
12.7 mm
λ/4
1 arcmin
描述 [描述] Precision round windows are made from UVFS or BK7 and polished on both surfaces (20-10 scratch&dig). Parallelism is up to 3 arcsec.