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Optical Material
Optical
Glass | BK7 | Fused
Silica | Sapphire | CaF2 | MgF2 | Crystal Quartz
| Material |
Refractive
Index |
Cost |
Transmission
Range (mm) |
| BK7 |
1.5168
(588nm) |
Low |
0.330
- 2.1 |
| UV
Fused Silica |
1.45846
(588nm) |
Medium |
0.185
- 2.5 |
| CaF2 |
1.399
(5.0mm) |
High |
0.170
- 7.8 |
| Sapphire |
1.755
(1.0mm) |
High |
0.180
- 4.5 |
| Silicon |
3.4179
(10mm) |
Medium |
1.200
- 7.0 |
| MgF2 |
no=1.3836
ne=1.3957 (405nm) |
High |
0.130
- 7.0 |
| Quartz |
no=1.5427
ne=1.5518 (633nm) |
Medium |
0.200
- 2.3 |
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