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UV, visible, infra-red optical materials... |
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...for optical lenses, windows, mirrors, filters & prisms |
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Magnesium Fluoride - MgF2
lenses, windows, mirrors, filters and prisms
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A very durable material resistant to mechanical and thermal shock and used for prisms, windows and lenses from the vacuum ultraviolet to the infrared region of 7.5 microns.
MgF² is a birefringent material making it effective as a polarising
element in the ultraviolet region.
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| Transmission Range |
0.11 - 7.5 µ |
| Crystal Structure |
Tin oxide |
| Cleavage Plane |
Parellel to A or C axis |
| Colour |
Colourless |
| Density |
3.1766 (18°) |
| Melting Point (°) |
1255 |
| Reflection Loss |
4.8% (visible) for 2 surfaces |
| Solubility index |
0.0076gm/100gm water / 18°C |
| Hardness (Knoop) |
415kg/mm2 |
| Thermal Conductivity (cal/cm sec°C) |
0.3W (m K) at (13°C) |
| Thermal Expansion coefficient (/°C) |
18.8x10-6(Parellel to C axis)
1.31x10-6(Vertical to C axis) |
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Whilst every effort has been made to verify the data provided, no responsibility can be accepted for its accuracy
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Global Optics UK Ltd, 30 Brockley Road, Bournemouth,
Dorset, UK, BH10 6JN.
Tel: 01202 530609,
Fax: 01202 547209
Company Registered in England
Registered Office: 30 Brockley Road, Bournemouth BH10 6JN
| Company No. 3509979
© Global Optics UK Ltd -
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