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Sapphire Windows
LaboratoriesOptical Material Data – Sapphire Windows
Sapphire – A1203
Optical Material used for lenses, windows, prisms, mirrors and filters.
Windows are used to isolate different physical environments whilst allowing light to pass.
When selecting windows it is important to consider the following:
Materials
Transmission
Scattering
Wavefront Distortion
Parallelism
Material Specification:
Transmission Range – 0.17-1 µ
Cleavage Plane – None
Colour – Colourless
Density -3.98
Melting Point (°) – 2030
Reflection Loss – 12.0% (4µ) for 2 surfaces
Solubility Index – Insoluble
Hardness (Knoop) – 1370
Thermal Conductivity (Cal/cm sec°C) – 6.0×10-2 (Parallel to C axis)
5.5×10-2 (Vertical to C axis)
Thermal Expansion coefficient (/°C) – 6.7×10-6 (Parallel to C axis)
5.0×10-6 (Vertical to C axis)
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Lenses, Sapphire, Windows, global, optics Product code: Sapphire