Sapphire (Al2O3) is one of the hardest minerals and optical materials available for use in the range from UV up to 5µm. Sapphire is birefringent and if its use is for critical optical application then the crystal might have to be cut along the zero degree plane, or C-Cut. Random cut is usually cut along a plane that is 60° off-axis as the growth in this direction is the easiest to grow. Random cut is anything that is not the C-Cut angle. Sapphire can fluoresce depending upon the concentration of other minerals within the lattice, for example Iron (Fe) or Chromium (Cr). Clear Sapphire might fluoresce orange when illuminated by UV light if impurities are in the crystal. Fluorescent free Sapphire has to be grown from 'pure' feedstock and seed and in an environment that cannot place impurities into the lattice ...
Edging down to smaller diameters, square and rectangular apertures.
| Name | Diameter (mm) | Length (mm) | Width (mm) | Thickness (mm) | Coating | Material | Price | Buy |
| WHS0500 pdf | 5 | 2 | Uncoated | Sapphire (Random Cut) |
US$12.08
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| WHS0806 pdf | 8 | 6 | Uncoated | Sapphire (Random Cut) |
US$45.19
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| WHS1000 pdf | 10 | 1 | Uncoated | Sapphire (Random Cut) |
US$19.81
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| WHS1001 pdf | 10 | 2 | Uncoated | Sapphire (Random Cut) |
US$20.57
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| WHS1300 pdf | 12.5 | 1 | Uncoated | Sapphire (Random Cut) |
US$20.57
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| WHS1500 pdf | 15 | 1 | Uncoated | Sapphire (Random Cut) |
US$24.39
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| WHS1501 pdf | 15 | 2 | Uncoated | Sapphire (Random Cut) |
US$25.16
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| WHS1600 pdf | 16 | 1 | Uncoated | Sapphire (Random Cut) |
US$28.22
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| WHS2000 pdf | 20 | 2 | Uncoated | Sapphire (Random Cut) |
US$37.39
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| WHS2500 pdf | 25 | 1 | Uncoated | Sapphire (Random Cut) |
US$53.45
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