Sapphire Optical Filters:
Precision, Durability & Unmatched Clarity
Key Features & Benefits
Ultra-High Durability
· Hardness: 9 on Mohs scale (second only to diamond)
· Scratch & Impact Resistant – Maintains clarity in harsh conditions.
· Chemically Inert – Resists acids, alkalis, and solvents.
Optical Excellence
· Broad Transmission Range: 150 nm (UV) to 5500 nm (Mid-IR).
· High Thermal Stability: Operates from -200°C to +1500°C.
· Low Autofluorescence – Critical for sensitive imaging applications.
Applications
✅ Laser Systems: Windows, lenses, and beam delivery components.
✅ Aerospace & Defense: IR windows, sensor protection, missile domes.
✅ Semiconductor Manufacturing: Lithography, wafer inspection.
✅ Medical & Scientific: Endoscopy, spectroscopy, microscopy.
✅ High-Pressure/High-Temperature Viewports: Oil & gas, chemical reactors.
Technical Specifications
Parameter | Value |
Material | Synthetic Sapphire (Al₂O₃) |
Transmission | >85% (200–5000 nm, uncoated) |
Refractive Index | 1.76 @ 600 nm |
Surface Quality | 10-5 scratch-dig per MIL-PRF-13830 |
Coating Options | UV/IR AR, HR, metallic filters |
Diameter/Thickness | Custom (1–300 mm / 0.2–30 mm) |
