|
|
| Window |
Material |
Size Range |
Flatness |
Surface
Quality |
Parallelism |
Diameter
Tolerance |
Thickness
Tolerance |
|
|
BK7 |
(mm) |
(lambda) |
(S/D) |
|
(mm) |
(mm) |
|
Normal |
|
3-300mm |
λ/2 |
60-40 |
3' |
+0/-0.2mm |
+/-0.1mm |
| High Precision |
|
|
λ/8 |
20-10 |
30" |
+0/-0.05mm |
+/-0.025mm |
| Mfg.Limit |
|
1-1000mm |
λ/20 |
10-5 |
2" |
+0/-0.02mm |
+/-0.01mm |
| |
Sode Lime |
|
|
|
|
|
|
| Normal |
|
|
λ |
80-50 |
3' |
+0/-0.2mm |
+/-0.1mm |
| High Precision |
|
|
λ/4 |
40-20 |
30" |
+0/-0.05mm |
+/-0.025mm |
| Mfg.Limit |
|
|
λ/8 |
20-10 |
5" |
+0/-0.02mm |
+/-0.01mm |
| |
Si/Ge |
|
|
|
|
|
|
| Normal |
|
5-100mm |
λ |
80-50 |
3' |
+0/-0.2mm |
+/-0.1mm |
| High Precision |
|
|
λ/4 |
40-20 |
30" |
+0/-0.05mm |
+/-0.025mm |
| Mfg.Limit |
|
|
λ/8 |
20-10 |
10" |
+0/-0.02mm |
+/-0.01mm |
|
|
