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Shanghai Longway Special Glass Co., Ltd.
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Custom Scratch Resistance Sapphire Optical Substrate For IR Windows

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Shanghai Longway Special Glass Co., Ltd.

City: shanghai

Province/State:shanghai

Country/Region:china

Tel:86-21-58508292

Contact Person:
Mr.Dai
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Custom Scratch Resistance Sapphire Optical Substrate For IR Windows

Brand Name LONGWAY
Model Number YY2235423
Certification ISO9001
Place of Origin China
Minimum Order Quantity 300 pieces
Price NEGOTIATION
Payment Terms D/P,T/T,Western Union
Supply Ability 2000 Pieces per Month
Packaging Details electrolytic capacitor paper,foam,carton
Surface Optical grade
Transmission >90 %
Coating Available
Processing Polishing
Application Optics and Laser
OEM Available
Detailed Product Description



Custom Scratch Resistance Sapphire Optical Substrate For IR Windows


1. ‌Material‌

  • ‌Sapphire Crystal‌:
    • Composition‌: Aluminum Oxide (Al₂O₃).
    • Characteristics‌: Renowned for its hardness (second only to diamond on the Mohs scale), excellent thermal conductivity, and chemical inertness.


2. ‌Property‌

  • Scratch Resistance‌:
    • ‌Surface Durability‌: Enhanced through specialized treatments or coatings to resist abrasions and scratches, maintaining optical clarity over extended use.
    • ‌Hardness‌: High hardness ensures resistance to mechanical damage.
  • Optical Clarity‌:
    • ‌Transparency‌: High transmittance across a wide spectral range, including infrared (IR).
    • ‌Low Absorption‌: Minimal absorption of light, preserving signal integrity in IR applications.


3. ‌Function‌

  • Optical Substrate‌:
    • ‌Base Material‌: Serves as the foundational layer upon which optical coatings and films can be applied.
    • ‌Dimensional Stability‌: Maintains precise geometric shape and flatness, critical for optical performance.
  • IR Window Compatibility‌:
    • ‌Transmission Spectrum‌: Designed to transmit IR radiation efficiently, enabling use in IR imaging and sensing systems.
    • ‌Thermal Management‌: Effective heat dissipation properties support stable operation in high-temperature environments.


4. ‌Application‌

  • Infrared Imaging Systems‌:
    • ‌Night Vision Devices‌: Used in military, law enforcement, and surveillance applications for enhanced visibility in low-light conditions.
    • ‌Thermal Imaging Cameras‌: Essential in industrial monitoring, fire detection, and medical diagnostics.
  • Aerospace and Defense‌:
    • ‌Missile Guidance Systems‌: Critical component in seeker heads for accurate target acquisition and tracking.
    • ‌Space Optics‌: Utilized in satellites and spacecraft for Earth observation and communication.
  • Scientific Instrumentation‌:
    • ‌Spectrometers and Analyzers‌: Facilitates precise measurement and analysis of IR spectra in research and development.


NameGlass disc, Glass substrate, Sight glass
Raw materialOptical glass, sapphire, quartz glass
Diameter Tolerance+0/-0.2 mm
Thickness Tolerance+/-0.2 mm
ProcessedBy Cutting,Grinding, Polishing
Working temperatureResisting high temperature shock
Surface Quality80/50,60/40,40/20
Material QualityNo scratches and air bubble
Transmission>90% for visible light
Chamfer0.1-0.5 mm x 45 degree
Surface CoatingAvailable
UsagePhotography, Lighting system, industrial area.







Product Tags: sapphire optical substrate   custom scratch sapphire   sapphire IR Windows  
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