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| Sapphire Windows |
| Sapphire material has high hardness (Moths 9) so it’s very scratch resistant, has high melting point (2050 °C) and good thermal stability, sapphire is also corrosion-resistant and has a high transmission rate in the infrared spectrum. Thusly sapphire is the best window material for Hi-Power lasers, mid and multi-spectrum range. Utilization in satellite control panel monitors, sensor system on fire control, thermal and shaking environmental testing, and aerospace technologies is common. |
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| Fused Silica & Quartz Windows |
| This material has good endurance on high temperature, small thermal expansion coefficient and good chemical stability, good transmission rate on UV light and can also be used in visible and near infrared range. They’re first-rate window material for general purpose visible application including observing windows in high temperature areas, requiring high stable optical coefficient while working in tough environment, also many applications in military and new technologies. |
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| Glass Windows |
| Optical glass windows have good optical uniformity, stable, easy to process and low cost, so they’re widely used in general purpose visible application, apparatus and instrumental optical systems. |
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| Silicon Windows |
| Silicon material has high melting point (1412 °C) and corrosion-endurance, can be used in high temperature areas. It has high transmission rate in infrared range with coating, also a good option for far infrared windows in detectors and sensors. Widely used in instrumental and military applications. It is also one of the valuable semiconductor materials. |
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| Gemanium Windows |
| Germanium windows have high refraction rate, good transmission rate in infrared with little or no distortion but not for UV and visible light, good chemical stability and corrosion-resistant. It’s a suitable window material for radio-detector, radiac- instrument and military applications. |
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