Sapphire Windows

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  • Release time : 2026-03-14
  • Detailed Description

Endoscope Objective Protection Windows (Sapphire)

High-durability Sapphire ($Al_2O_3$) windows designed to protect objective lenses from harsh medical sterilization environments and physical impact. Available in flat and angled ($\theta$) configurations.

Material Specifications

  • Material: Sapphire ($Al_2O_3$)
  • Surface Quality: 40/20
  • Parallelism: 10 arcseconds
  • Surface Flatness: 1/4 λ
  • Thickness Tolerance: ± 0.02 mm

Available Size Ranges

Diameter ($\Phi$) Range Thickness (T) Angle ($\theta$)
Φ 0.7 mm to Φ 9.0 mm 0.3 mm - 2.5 mm 0°, 12°, 30°, 45°

Endoscopic Objective Optical Systems

Integrated multi-element objective assemblies for high-resolution micro-imaging.

System Diameter (ΦA) Aperture (ΦB) Radius (R1/R2)
Φ 0.56 mm to Φ 0.64 mm 0.08 mm - 0.18 mm Micro-series
Φ 1.23 mm to Φ 1.75 mm 0.235 mm - 0.28 mm Standard series
Optical Performance:
• Surface Accuracy: 1/4 λ | • Scratch/Dig: 20/10 to 40/20
• Eccentricity: < 3 arcmin | • Coating: AR R < 0.5% @ 450~650nm
Custom Optical Design Available
Over 50+ standard window sizes and custom objective system configurations available upon request.
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