Hemispheres
Select a material for a component
Fused Silica UV Grade (SiO2)
|
Diameter tolerance, mm
|
+0, -0.01
|
|
Center Thickness tolerance, mm
|
±0.05
|
|
Surface Quality
|
60/40
|
|
CAT#
|
Diameter, mm
|
Diameter, in
|
Center Thickness, mm
|
Center Thickness, in
|
|
LHS-QU-2.0
|
2.0
|
0.079
|
1.0
|
0.039
|
|
LHS-QU-3.0
|
3.0
|
0.118
|
1.5
|
0.059
|
|
LHS-QU-4.0
|
4.0
|
0.157
|
2.0
|
0.079
|
|
LHS-QU-5.0
|
5.0
|
0.197
|
2.5
|
0.098
|
|
LHS-QU-6.0
|
6.0
|
0.236
|
3.0
|
0.118
|
|
LHS-QU-8.0
|
8.0
|
0.315
|
4.0
|
0.157
|
|
LHS-QU-10.0
|
10.0
|
0.394
|
5.0
|
0.197
|
|
LHS-QU-12.0
|
12.0
|
0.472
|
6.0
|
0.236
|
|
LHS-QU-14.0
|
14.0
|
0.551
|
7.0
|
0.276
|
|
LHS-QU-18.0
|
18.0
|
0.709
|
9.0
|
0.354
|
|
LHS-QU-20.0
|
20.0
|
0.787
|
10.0
|
0.394
|
|
LHS-QU-25.4
|
25.4
|
1.000
|
12.7
|
0.500
|
|
CAT#
|
Diameter, mm
|
Diameter, in
|
Center Thickness, mm
|
Radius, mm
|
Germanium ( Ge )
|
Diameter tolerance, mm
|
+0, -0.01
|
|
Center Thickness tolerance, mm
|
±0.05
|
|
Surface Quality
|
60/40
|
|
CAT#
|
Diameter, mm
|
Diameter, in
|
Center Thickness, mm
|
Center Thickness, in
|
|
LHS- GE -2.0
|
2.0
|
0.079
|
1.0
|
0.039
|
|
LHS- GE -3.0
|
3.0
|
0.118
|
1.5
|
0.059
|
|
LHS- GE -4.0
|
4.0
|
0.157
|
2.0
|
0.079
|
|
LHS- GE -5.0
|
5.0
|
0.197
|
2.5
|
0.098
|
|
LHS- GE -6.0
|
6.0
|
0.236
|
3.0
|
0.118
|
|
LHS- GE -8.0
|
8.0
|
0.315
|
4.0
|
0.157
|
|
LHS- GE -10.0
|
10.0
|
0.394
|
5.0
|
0.197
|
|
LHS- GE -12.0
|
12.0
|
0.472
|
6.0
|
0.236
|
|
LHS- GE -14.0
|
14.0
|
0.551
|
7.0
|
0.276
|
|
LHS- GE -18.0
|
18.0
|
0.709
|
9.0
|
0.354
|
|
LHS- GE -20.0
|
20.0
|
0.787
|
10.0
|
0.394
|
|
LHS- GE -25.4
|
25.4
|
1.000
|
12.7
|
0.500
|
|
CAT#
|
Diameter, mm
|
Diameter, in
|
Center Thickness, mm
|
Radius, mm
|
Silicon ( Si )
|
Diameter tolerance, mm
|
+0, -0.01
|
|
Center Thickness tolerance, mm
|
±0.05
|
|
Surface Quality
|
60/40
|
|
CAT#
|
Diameter, mm
|
Diameter, in
|
Center Thickness, mm
|
Center Thickness, in
|
|
LHS- SI -2.0
|
2.0
|
0.079
|
1.0
|
0.039
|
|
LHS- SI -3.0
|
3.0
|
0.118
|
1.5
|
0.059
|
|
LHS- SI -4.0
|
4.0
|
0.157
|
2.0
|
0.079
|
|
LHS- SI -5.0
|
5.0
|
0.197
|
2.5
|
0.098
|
|
LHS- SI -6.0
|
6.0
|
0.236
|
3.0
|
0.118
|
|
LHS- SI -8.0
|
8.0
|
0.315
|
4.0
|
0.157
|
|
LHS- SI -10.0
|
10.0
|
0.394
|
5.0
|
0.197
|
|
LHS- SI -12.0
|
12.0
|
0.472
|
6.0
|
0.236
|
|
LHS- SI -14.0
|
14.0
|
0.551
|
7.0
|
0.276
|
|
LHS- SI -18.0
|
18.0
|
0.709
|
9.0
|
0.354
|
|
LHS- SI -20.0
|
20.0
|
0.787
|
10.0
|
0.394
|
|
LHS- SI -25.4
|
25.4
|
1.000
|
12.7
|
0.500
|
|
CAT#
|
Diameter, mm
|
Diameter, in
|
Center Thickness, mm
|
Radius, mm
|
Zinc Selenide (ZnSe CVD)
|
Diameter tolerance, mm
|
+0, -0.01
|
|
Center Thickness tolerance, mm
|
±0.05
|
|
Surface Quality
|
60/40
|
|
CAT#
|
Diameter, mm
|
Diameter, in
|
Center Thickness, mm
|
Center Thickness, in
|
|
LHS-ZC-2.0
|
2.0
|
0.079
|
1.0
|
0.039
|
|
LHS-ZC-3.0
|
3.0
|
0.118
|
1.5
|
0.059
|
|
LHS-ZC-4.0
|
4.0
|
0.157
|
2.0
|
0.079
|
|
LHS-ZC-5.0
|
5.0
|
0.197
|
2.5
|
0.098
|
|
LHS-ZC-6.0
|
6.0
|
0.236
|
3.0
|
0.118
|
|
LHS-ZC-8.0
|
8.0
|
0.315
|
4.0
|
0.157
|
|
LHS-ZC-10.0
|
10.0
|
0.394
|
5.0
|
0.197
|
|
LHS-ZC-12.0
|
12.0
|
0.472
|
6.0
|
0.236
|
|
LHS-ZC-14.0
|
14.0
|
0.551
|
7.0
|
0.276
|
|
LHS-ZC-18.0
|
18.0
|
0.709
|
9.0
|
0.354
|
|
LHS-ZC-20.0
|
20.0
|
0.787
|
10.0
|
0.394
|
|
LHS-ZC-25.4
|
25.4
|
1.000
|
12.7
|
0.500
|
|
CAT#
|
Diameter, mm
|
Diameter, in
|
Center Thickness, mm
|
Radius, mm
|
Select a material for a component
|
