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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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Caesium Iodide - CsI
lenses, windows, mirrors, filters and prisms
Click here to download PDF version of this
page.
A very useful material with a transmission range from the visible region
out to 70 microns through to a 2mm thick window. CsI is very soft and water-soluble
and when humidity is relatively high polished surfaces may be damaged by
moisture in the atmosphere. Principally used for Infrared Spectroscopic
windows and also for beam splitters in FTIR Instumentation. CsI is also
available thallium doped for scintillation applications.
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| Transmission Range |
0.24-70.0 µ |
| Crystal Structure |
Caesium chloride |
| Cleavage Plane |
None |
| Colour |
Colourless |
| Density |
4.526 |
| Melting Point (°) |
621 |
| Reflection Loss |
13.6% (10µ) for 2 surfaces |
| Solubility index |
44gm/100gm / 0°C |
| Hardness (Knoop) |
20/200 gm indenter |
| Thermal Conductivity (cal/cm sec°C) |
2.7x10-3 (25°C) |
| Thermal Expansion coefficient (/°C) |
50x10-6 (25-50°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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