
Core Pain Points We Solve
Ordinary optical materials cannot realize stable transmission covering UV, visible and infrared multi-spectrum
Conventional protective windows crack easily under drastic high-low temperature thermal shock
Tactical airborne equipment faces sand erosion and surface scratching during field operation
Many coatings degrade rapidly under long-term outdoor ultraviolet radiation
Product Key Advantages
Broadband UV-IR Transmittance
Suitable for multi-spectrum EO/IR dual-band imaging systems
Outstanding Thermal Shock Stability
Adapts to extreme temperature changes of aerospace equipment
Mohs 9 High Hardness
Anti-abrasion against sand, dust and external impact
Custom Multi-Band AR Coating
Reduce light reflection and boost imaging clarity
CNC Contour Shaping Support
Edge chamfering and light shielding screen printing available
Chemically Inert Material
Excellent resistance to humidity, salt fog and harsh outdoor environments
Engineering Specification Table
| Item | Specification |
|---|---|
| Base Material | Single crystal optical sapphire |
| Hardness | Mohs Grade 9 |
| Transmission Range | UV, visible light to infrared broadband |
| Surface Coating | Custom multi-band AR anti-reflection coating |
| Core Feature | Thermal shock resistant, multi-spectrum transmissive |
| Application | Aerospace EO/IR thermal imager, tactical night vision surveillance system |

In-House Manufacturing Capability
All processing is completed inside our Class 100 dust-free workshop: Sapphire blank slicing, double-sided ultra-precision polishing, precision CNC machining, multi-spectrum vacuum AR coating, ultrasonic cleaning and comprehensive optical performance testing. No outsourced procedures, stable quality for aerospace and tactical optical projects.
CNC Precision Contour Machining
Double-Sided Ultra-Precision Polishing
Our optical engineering team provides full technical support:
✓ Coating wavelength customized development
✓ Structural optimization design suggestion
✓ Working condition pressure & temperature simulation consultation
✓ Prototype verification & DFM manufacturability optimization
✓ After-sales technical support for system integration
Every optical component gets 100% optical inspection before delivery.
Why Choose Felix Glass
19+ Years of Experience
Custom sapphire optical component manufacturing experience
Professional Coating Workshop
Multi-band EO/IR optical coating development
Prototype & OEM Orders
Accept prototype sample verification and large-volume OEM orders
Full Pre-Shipment Inspection
Full optical parameter inspection before shipment
Global Aerospace Service
Rich service experience for aerospace & surveillance optical customers
Frequently Asked Questions
Q1: Can you customize size, outline and multi-band coating according to our drawings?
A: Yes, we provide full customization based on customer technical drawings and optical indicators.
Q2: What is the sample lead time?
A: Sample production cycle: 8~14 working days.
Q3: Is sapphire stable enough for continuous airborne thermal shock environment?
A: Single crystal sapphire possesses low thermal expansion coefficient, excellent thermal shock resistance, ideal for long-term airborne EO/IR equipment.
Get Your Custom Optical Quotation
Submit your drawing files, spectrum requirements and dimension specifications via the RFQ form below. Our optical engineer will reply with detailed parameters and quotation within 24 hours.



