Why Sapphire Windows Excel in Optical & High-Pressure Systems

Sapphire is one of the most durable and optically pure materials used for protective and optical window applications. When bonded to metals through specialized brazing processes, sapphire windows provide exceptional performance in high-pressure, thermal, and vacuum environments.

Why Sapphire?

• Extreme Hardness: Second only to diamond on the Mohs scale
• Optical Clarity: Transparent across UV, visible, and IR spectra
• Thermal & Chemical Resistance: Withstands temperatures up to 2000°C and most corrosive agents

Brazing Sapphire to Metal

Brazing sapphire requires precise thermal profiles, active braze alloys, and proper stress relief design to avoid cracking due to CTE mismatch. AHS utilizes vacuum furnaces and proprietary fixturing to create strong, hermetic sapphire-to-metal bonds.

Industries & Applications

• Aerospace: High-altitude viewports, missile optics
• Medical: Surgical lasers, diagnostic windows
• Industrial: High-pressure reactors, plasma monitoring

Conclusion

Sapphire windows offer a unique combination of optical quality, strength, and hermetic sealing. At Advanced Hermetic Solutions, we deliver brazed sapphire components tailored to exacting optical, dimensional, and environmental specifications.