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Interferometers  ::  Sapphire optics  ::  Optical coatings

 
 
 

Wedges

Select a material for a component
 

Barium Fluoride (BaF2)

Diameter tolerance, mm
+0, -0.13
Thickness tolerance, mm
±0.13
Clear Aperture
85% 
Angle,  min.
30'±15''
Flatness, fringes
 4 at 633 nm
Surface Finish
60/40
CAT# 
Diameter, mm
Diameter, in
Thick edge, mm
Thick edge, in
WW-BF-12.7-2
12.7
0.5
2.0
0.079
WW-BF-25.4-4
25.4
1
4.0
0.157
WW-BF-38.1-5
38.1
1.5
5.0
0.197
WW-BF-50.8-6
50.8
2
6.0
0.236
CAT# 
Diameter, mm
Diameter, in
Thick edge, mm
Thick edge, in
Top

Calcium Fluoride (CaF2)

Diameter tolerance, mm
+0, -0.13
Thickness tolerance, mm
±0.13
Clear Aperture
85% 
Angle,  min.
30'±15''
Flatness, fringes
 4 at 633 nm
Surface Finish
60/40
CAT# 
Diameter, mm
Diameter, in
Thick edge, mm
Thick edge, in
WW-CF-12.7-2
12.7
0.5
2.0
0.079
WW-CF-25.4-4
25.4
1
4.0
0.157
WW-CF-38.1-5
38.1
1.5
5.0
0.197
WW-CF-50.8-6
50.8
2
6.0
0.236
CAT# 
Diameter, mm
Diameter, in
Thick edge, mm
Thick edge, in
Top
 

Germanium (Ge)

Diameter tolerance, mm
+0, -0.13
Thickness tolerance, mm
±0.13
Clear Aperture
85% 
Angle,  min.
30'±15''
Flatness, fringes
 4 at 633 nm
Surface Finish
60/40
CAT# 
Diameter, mm
Diameter, in
Thick edge, mm
Thick edge, in
WW- GE -12.7-2
12.7
0.5
2.0
0.079
WW- GE -25.4-4
25.4
1
4.0
0.157
WW- GE -38.1-5
38.1
1.5
5.0
0.197
WW- GE -50.8-6
50.8
2
6.0
0.236
CAT# 
Diameter, mm
Diameter, in
Thick edge, mm
Thick edge, in
Top

Magnesium Fluoride (MgF2)

Diameter tolerance, mm
+0, -0.13
Thickness tolerance, mm
±0.13
Clear Aperture
85% 
Angle,  min.
30'±15''
Flatness, fringes
 4 at 633 nm
Surface Finish
60/40
CAT# 
Diameter, mm
Diameter, in
Thick edge, mm
Thick edge, in
WW-MF-12.7-2
12.7
0.5
2.0
0.079
WW-MF-25.4-4
25.4
1
4.0
0.157
WW-MF-38.1-5
38.1
1.5
5.0
0.197
WW-MF-50.8-6
50.8
2
6.0
0.236
CAT# 
Diameter, mm
Diameter, in
Thick edge, mm
Thick edge, in
Top

Silicon (Si)

Diameter tolerance, mm
+0, -0.13
Thickness tolerance, mm
±0.13
Clear Aperture
85% 
Angle,  min.
30'±15''
Flatness, fringes
 4 at 633 nm
Surface Finish
60/40
CAT# 
Diameter, mm
Diameter, in
Thick edge, mm
Thick edge, in
WW- SI -12.7-2
12.7
0.5
2.0
0.079
WW- SI -25.4-4
25.4
1
4.0
0.157
WW- SI -38.1-5
38.1
1.5
5.0
0.197
WW- SI -50.8-6
50.8
2
6.0
0.236
CAT# 
Diameter, mm
Diameter, in
Thick edge, mm
Thick edge, in
Top

 

Zinc Selenide CVD (ZnSe)
 
Diameter tolerance, mm
+0, -0.13
Thickness tolerance, mm
±0.13
Clear Aperture
85% 
Angle,  min.
30'±15''
Flatness, fringes
 4 at 633 nm
Surface Finish
60/40
CAT# 
Diameter, mm
Diameter, in
Thick edge, mm
Thick edge, in
WW-ZC-12.7-2
12.7
0.5
2.0
0.079
WW-ZC-25.4-4
25.4
1
4.0
0.157
WW-ZC-38.1-5
38.1
1.5
5.0
0.197
WW-ZC-50.8-6
50.8
2
6.0
0.236
CAT# 
Diameter, mm
Diameter, in
Thick edge, mm
Thick edge, in
Top

Select a material for a component
 

 
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