|
|
| 窗片 |
材料 |
尺寸(mm) |
面形(λ) |
光洁度(S/D) |
平行度 |
直径公差(mm) |
厚度公差(mm) |
|
|
BK7 |
(mm) |
(lambda) |
(S/D) |
(minute) |
(mm) |
(mm) |
|
常规指标 |
|
3-300mm |
λ/2 |
60-40 |
3' |
+0/-0.2mm |
+/-0.1mm |
| 高精度 |
|
|
λ/8 |
20-10 |
30" |
+0/-0.05mm |
+/-0.025mm |
| 最高精度 |
|
1-1000mm |
λ/20 |
10-5 |
2" |
+0/-0.02mm |
+/-0.01mm |
| |
浮法玻璃 |
|
|
|
|
|
|
| 常规指标 |
|
|
λ |
80-50 |
3' |
+0/-0.2mm |
+/-0.1mm |
| 高精度 |
|
|
λ/4 |
40-20 |
30" |
+0/-0.05mm |
+/-0.025mm |
| 最高精度 |
|
|
λ/8 |
20-10 |
5" |
+0/-0.02mm |
+/-0.01mm |
| |
Si/Ge |
|
|
|
|
|
|
| 常规指标 |
|
5-100mm |
λ |
80-50 |
3' |
+0/-0.2mm |
+/-0.1mm |
| 高精度 |
|
|
λ/4 |
40-20 |
30" |
+0/-0.05mm |
+/-0.025mm |
| 最高精度 |
|
|
λ/8 |
20-10 |
10" |
+0/-0.02mm |
+/-0.01mm |
|
|