CRYSCORE OPTOELECTRONIC LIMITED
CRYSCORE OPTOELECTRONIC LIMITED
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76.2mm x 76.2mm Sapphire Windows

76.2mm x 76.2mm Sapphire Windows

As an excellent filter material, sapphire has good transmittance in the ultraviolet, infrared and visible wavelength. Sapphire can transmit electromagnetic waves and hardly change the properties and energy of electromagnetic waves.

CRYSCORE can supply C-cut sapphire windows with excellent flatness, parallelism, and optical polishing. Scratch / Dig < 10 / 5. Edge chips < 0.2 nm.


76.2mm x 76.2mm Sapphire Windows 76.2mm x 76.2mm Sapphire Windows
Specifications of 76.2mm x 76.2mm Sapphire Windows
Item3” x 3” C-plane(0001) 500μm Sapphire Windows
Crystal Materials99,999%, High Purity, Monocrystalline Al2O3
GradePrime, Epi-Polished
Surface OrientationC-plane(0001)
Size76.2 mm +/- 0.1 mm x 76.2 mm +/- 0.1 mm
Thickness500 μm +/- 25 μm
Front SurfaceEpi-polished, Ra < 0.2 nm (by AFM)
Back SurfaceEpi-polished, Ra < 0.2 nm (by AFM)
TTV< 15 μm
WARP< 40 μm
Flatness2λ Peak-Valley @633 nm each Ø8 mm
Cleaning / PackagingClass 100 cleanroom cleaning and vacuum packaging, 25 pcs in one cassette packaging.

Note: Custom sapphire windows with any orientation and any thickness can be provided.

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