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Red Optronics fabricates a
variety of optical components with a wide range of optical materials. The
following is a list of optical materials that we have worked in the past:
Conventional Optical
Materials: BK7, UV Fused Silica, CaF2(IR and UV), Sapphire, Quartz and
MgF2.
Specialty Optical Materials:
Schott Glass, OHARA Glass, Pyrex, and Germanium.
| Material |
Refractive
Index |
Cost |
Transmission
Range (µm) |
Thermal
Expansion Coefficient
(10-6/K) |
| BK7 |
1.5168
(588nm) |
Low |
0.330
- 2.1 |
7.1 |
|
SF11
|
1.78472
(588nm) |
Low |
0.370
- 2.5 |
6.1 |
|
SF14
|
1.76182
(588nm) |
Low |
0.420
- 2.0 |
6.6 |
| UV
Fused Silica |
1.45846
(588nm) |
Medium |
0.185
- 2.5 |
0.50 |
| CaF2 |
1.399
(5.0µm) |
High |
0.170
- 7.8 |
18.85 |
| Sapphire |
1.755
(1.0µm) |
High |
0.180
- 4.5 |
8.4 |
| Silicon |
3.4179
(10µm) |
Medium |
1.200
- 7.0 |
2.23 |
| MgF2 |
no=1.3836
ne=1.3957 (405nm) |
High |
0.130
- 7.0 |
8.8||c;
13.1||a |
| Quartz |
no=1.5427
ne=1.5518 (633nm) |
Medium |
0.200
- 2.3 |
6.88||c;
12.38||a |
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