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Sapphire Circular Window

optical color sapphire crystal
April 30, 2025
Category Connection: Sapphire Optical Windows
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ZMSH manufacture precision sapphire circular windows (5-300mm diameter, 0.3-20mm thick) with >85% transmittance (250-5500nm) and Mohs 9 hardness for demanding optical applications. Our comprehensive capabilities include custom AR coatings (R<0.5% per surface), precision edge treatments (beveled/safety edges), and metrology-grade surface finishes (up to λ/10 flatness). Utilizing advanced CNC machining and laser processing technologies, we achieve tight tolerances of ±0.01mm while maintaining excellent thermal stability (CTE 5.3×10⁻⁶/℃) and chemical resistance. We serve laser systems, semiconductor equipment and aerospace instrumentation markets with reliable 2-4 week lead times for custom solutions. Additional services include multi-aperture drilling, laser marking, and cleanroom packaging upon request.



Tags:
#sapphire glass lens #sapphire cover glass #sapphire glass window
Brief: Discover the Sapphire Circular Window, a high-performance optical solution with 90% transmittance for laser applications. ZMSH offers precision-crafted sapphire windows with superior durability, thermal stability, and custom options for demanding industries.
Related Product Features:
  • Superior optical performance with over 85% transmittance from 250nm to 5500nm wavelengths.
  • Exceptional mechanical strength with Mohs 9 hardness, 10x more scratch-resistant than standard glass.
  • Extreme environmental resistance, stable in pH 1-13 environments and up to 1800°C short-term.
  • Stable thermodynamic properties with low thermal expansion coefficient (5.3×10⁻⁶/°C).
  • Customizable with AR coatings (<0.5% reflectivity) and λ/10 surface finishes for high-power systems.
  • Precision CNC machining and laser processing for tight tolerances of ±0.01mm.
  • Suitable for laser systems, semiconductor equipment, and aerospace instrumentation.
  • Reliable 2-4 week lead times for custom solutions with cleanroom packaging available.
Faqs:
  • What are the advantages of sapphire windows over glass?
    Sapphire offers 10x higher scratch resistance (Mohs 9), wider spectral transmission (UV to IR), and superior thermal/chemical durability.
  • Can sapphire windows be customized for laser applications?
    Yes, we provide laser-grade sapphire with AR coatings (<0.5% reflectivity) and λ/10 surface finishes for high-power systems.
  • What industries commonly use sapphire circular windows?
    Sapphire windows are widely used in laser optical systems, high-temperature industrial observation, aerospace and defense, and scientific instruments.
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