Sapphire window
Key words:
Sapphire window
Classification:
Detail
Introduction to Sapphire:
Sapphire window Uncoated sapphire has excellent surface hardness, and the range of transmittance extends from ultraviolet to mid-infrared wavelength region. Sapphire can only be scratched by a few substances other than it. The uncoated substrate is chemically inert and insoluble in water, common acids or alkalis at temperatures up to about 1000°C. Sapphire has high temperature resistance, good thermal conductivity, high hardness, infrared transparency and good chemical stability. Widely used in many fields of industry, national defense and scientific research (such as high-temperature infrared windows, etc.).
Basic characteristics of sapphire windows:
Spectral range 150-3500nm High-strength surface hardness Scratch resistance, high temperature resistance Chemical inertness, acid resistance, alkali resistance Hechen Crystal provides sapphire window coating service
Basic technical parameters:
Dimension tolerance:+0.0/-0.2mm
Surface accuracy:λ/4 @632.8nm
Finish:60-40
Edge:＜0.25mm×45°
Clear aperture:>85%
Polishing High-precision double-sided polishing
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