CVD magnesium fluoride (MgF2-CVD) has good mechanical properties, chemical stability, impact resistance, great anti thermal fluctuations and radiation. While it has excellent transmission from 0.11 to 9 um, suitable for optical lenses, wedge, and window manufacturing. MgF2 is also considered as durable material in deep UV and LWIR applications.
Spoptic offers custom parameter MgF2 lenses; we strictly control the alignment of C-Axis to avoid birefringence effects during usage. Please talk to our technicians of further information.
|
Magnesium Fluoride |
COMMERCIAL GRADE |
FACTORY STANDARD |
PRECISION GRADE |
|
Diameter Tolerance(mm) |
±0.05 |
±0.03 |
±0.0125 |
|
Center Thickness(mm) |
±0.01 |
±0.03 |
±0.025 |
|
Parallelism (Arc min) |
6 |
<3 |
<1 |
|
Cosmetic(MIL-C-13830A) |
100-80 |
60-40 |
40-20 |
|
Figure Tolerance inλ(Pow/irreg) |
5 -3 |
3 - 1 |
2 - 1/4 |
|
Alignment of C-Axis |
< 20 armin |
||
|
Coating (T% avg) |
Depends on Different Working Wavelength |
||
|
Material |
Magnesium Fluoride |
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