Sapphire window
- Material
- Optical Sapphire
- Dimension
- +/-0.2-0.5mm
- Surface Flatness
- 1λ per 25 mm at 633 nm over clear aperture
- Surface Quality
- 60-40
- Center Thickness
- +/-0.2mm
- Parallelism
- 3 arc minutes
- Clear Aperture
- 90% of diameter
- Coating
- none or according to customer’s specifications
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Sapphire optical window is an ideal window material for ultraviolet and infrared applications, and its light transmission range is 0.14 to 6 μm. And with its thermal and chemical robustness, sapphire windows can be exposed to extreme temperatures and chemicals, far higher than any other material, and continue to transmit UV, VIS and IR for many years without degradation. These properties make it ideal for UV/VIS/IR sensors, infrared monitoring and reconnaissance, and broadband inspection equipment, especially when it comes to harsh operating conditions.
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