Brewster Windows
Select a material for a component
Calcium Fluoride (CaF2)
|
Length and Width tolerance, mm
|
+0, -0.13
|
|
Thickness tolerance, mm
|
±0.13
|
|
Clear Aperture
|
85% eliptical
|
|
Parallelism, min.
|
<3'
|
|
Flatness, fringes per inch
|
2 at 633 nm
|
|
Surface Finish
|
40/20
|
|
CAT#
|
Length, mm
|
Length, in
|
Width, mm
|
Width, in
|
Thickness, mm
|
Thickness, in
|
|
WB-CF-25.4-12.5
|
25.4
|
1
|
12.5
|
0.5
|
4.0
|
0.157
|
|
WB-CF-38.5-19.5
|
38.5
|
1.516
|
19.5
|
0.768
|
4.0
|
0.157
|
|
WB-CF-50.8-25.4
|
50.8
|
2
|
25.4
|
1
|
6.0
|
0.236
|
|
WB-CF-63.5-32.0
|
63.5
|
2.5
|
32
|
1.26
|
8.0
|
0.315
|
|
WB-CF-76.2-38.1
|
76.2
|
3
|
38.1
|
1.5
|
10.0
|
0.394
|
|
WB-CF-101.6-50.8
|
101.6
|
4
|
50.8
|
2
|
12.5
|
0.492
|
|
CAT#
|
Length, mm
|
Length, in
|
Width, mm
|
Width, in
|
Thickness, mm
|
Thickness, in
|
Germanium (Ge)
|
Length and Width tolerance, mm
|
+0, -0.13
|
|
Thickness tolerance, mm
|
±0.13
|
|
Clear Aperture
|
85% eliptical
|
|
Parallelism, min.
|
<3'
|
|
Flatness, fringes per inch
|
2 at 633 nm
|
|
Surface Finish
|
40/20
|
|
CAT#
|
Length, mm
|
Length, in
|
Width, mm
|
Width, in
|
Thickness, mm
|
Thickness, in
|
|
WB- GE -38.5-19.5
|
38.5
|
1.516
|
19.5
|
0.768
|
2.0
|
0.079
|
|
WB- GE -52.6-12.7
|
52.6
|
2.071
|
12.7
|
0.5
|
2.0
|
0.079
|
|
WB- GE -63.0-15.3
|
63.0
|
2.480
|
15.3
|
0.602
|
2.0
|
0.079
|
|
WB- GE -73.4-17.8
|
73.4
|
2.890
|
17.8
|
0.701
|
2.0
|
0.079
|
|
WB- GE -84.0-20.3
|
84.0
|
0.799
|
20.3
|
0.799
|
3.0
|
0.118
|
|
CAT#
|
Length, mm
|
Length, in
|
Width, mm
|
Width, in
|
Thickness, mm
|
Thickness, in
|
Zinc Selenide (ZnSe CVD)
|
Length and Width tolerance, mm
|
+0, -0.13
|
|
Thickness tolerance, mm
|
±0.13
|
|
Clear Aperture
|
80% eliptical
|
|
Parallelism, min.
|
<3'
|
|
Flatness, fringes per inch
|
1 at 633 nm
|
|
Surface Finish
|
40/20
|
|
CAT#
|
Length, mm
|
Length, in
|
Width, mm
|
Width, in
|
Thickness, mm
|
Thickness, in
|
|
WB-ZC-26.5-10.2
|
26.5
|
1.043
|
10.2
|
0.402
|
2.0
|
0.079
|
|
WB-ZC-33.0-12.7
|
33.0
|
1.299
|
12.7
|
0.5
|
2.0
|
0.079
|
|
WB-ZC-38.5-19.5
|
38.5
|
1.516
|
19.5
|
0.768
|
3.0
|
0.118
|
|
WB-ZC-46.3-17.8
|
46.3
|
1.823
|
17.8
|
0.701
|
3.0
|
0.118
|
|
WB-ZC-52.0-20.0
|
52.0
|
2.047
|
20.0
|
0.787
|
3.0
|
0.118
|
|
WB-ZC-65.1-25.4
|
65.1
|
2.563
|
25.4
|
1
|
3.0
|
0.118
|
|
CAT#
|
Length, mm
|
Length, in
|
Width, mm
|
Width, in
|
Thickness, mm
|
Thickness, in
|
Potassium Bromide (KBr)
|
Length and Width tolerance, mm
|
+0, -0.13
|
|
Thickness tolerance, mm
|
±0.13
|
|
Clear Aperture
|
80% eliptical
|
|
Parallelism, min.
|
<3'
|
|
Flatness, fringes per inch
|
2 at 633 nm
|
|
Surface Finish
|
60/40
|
|
CAT#
|
Length, mm
|
Length, in
|
Width, mm
|
Width, in
|
Thickness, mm
|
Thickness, in
|
|
WB- KBR -26.5-10.2
|
26.5
|
1.043
|
10.2
|
0.402
|
2.0
|
0.079
|
|
WB- KBR -33.0-12.7
|
33.0
|
1.299
|
12.7
|
0.5
|
3.0
|
0.118
|
|
WB- KBR -38.5-19.5
|
38.5
|
1.516
|
19.5
|
0.768
|
4.0
|
0.157
|
|
WB- KBR -46.3-17.8
|
46.3
|
1.823
|
17.8
|
0.701
|
4.5
|
0.165
|
|
WB- KBR -52.0-20.0
|
52.0
|
2.047
|
20.0
|
0.787
|
5.0
|
0.197
|
|
WB- KBR -65.1-25.4
|
65.1
|
2.563
|
25.4
|
1
|
6.0
|
0.236
|
|
CAT#
|
Length, mm
|
Length, in
|
Width, mm
|
Width, in
|
Thickness, mm
|
Thickness, in
|
Sodium Chloride (NaCl)
|
Length and Width tolerance, mm
|
+0, -0.13
|
|
Thickness tolerance, mm
|
±0.13
|
|
Clear Aperture
|
85% eliptical
|
|
Parallelism, min.
|
<3'
|
|
Flatness, fringes per inch
|
2 at 633 nm
|
|
Surface Finish
|
40/20
|
|
CAT#
|
Length, mm
|
Length, in
|
Width, mm
|
Width, in
|
Thickness, mm
|
Thickness, in
|
|
WB-NC-26.5-10.2
|
26.5
|
1.043
|
10.2
|
0.402
|
2.0
|
0.079
|
|
WB-NC-33.0-12.7
|
33.0
|
1.299
|
12.7
|
0.5
|
3.0
|
0.118
|
|
WB-NC-38.5-19.5
|
38.5
|
1.516
|
19.5
|
0.768
|
4.0
|
0.157
|
|
WB-NC-46.3-17.8
|
46.3
|
1.823
|
17.8
|
0.701
|
4.5
|
0.165
|
|
WB-NC-52.0-20.0
|
52.0
|
2.047
|
20.0
|
0.787
|
5.0
|
0.197
|
|
WB-NC-65.1-25.4
|
65.1
|
2.563
|
25.4
|
1
|
6.0
|
0.236
|
|
CAT#
|
Length, mm
|
Length, in
|
Width, mm
|
Width, in
|
Thickness, mm
|
Thickness, in
|
Select a material for a component
|
|
