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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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Calcium Fluoride - CaF2
lenses, windows, mirrors, filters and prisms
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CaF² is used for optical purposes as windows, prisms and lenses, transmitting
from the vacuum ultraviolet into the infrared. It is a physically and chemically
stable optical material with good water and chemical resistance. Two qualities
are manufactured, one for Visible and Infrared applications and the other
specifically for Ultraviolet applications grown from chemically pure powder.
Typically applications: VUV - UV - IR imaging systems, excimer laser windows, Spectroscopic windows and lenses, Optical Analysers, ATR crystals. Calcium Flouride is also available doped with rare earths; Europium activated is available for Scintillation detectors.
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| Transmission Range |
0.13 - 12.0 µ |
| Crystal Structure |
Fluorite |
| Cleavage Plane |
111 |
| Colour |
Colourless |
| Density |
3.179 (25°) |
| Melting Point (°) |
1360 |
| Reflection Loss |
5.6% (4µ) for 2 surfaces |
| Solubility index |
1.514x10-3 / 20°C |
| Hardness (Knoop) |
158.3(110) 158.3(100) |
| Thermal Conductivity (cal/cm sec°C) |
2.32x10-2 (36°C) |
| Thermal Expansion coefficient (/°C) |
24x10-6/20-60°C |
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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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