
Core Pain Points We Solve
Ordinary protective glass causes polarization distortion and affects AR/VR imaging effect
Thin optical substrates are easy to scratch during assembly and end-user daily use
Common coating leads to high light reflection, reducing display contrast and visual experience
Limited suppliers can produce ultra-thin sapphire panels with stable optical uniformity
Product Key Advantages
Low Birefringence Single Crystal Sapphire
Stable optical performance for imaging optics
Ultra-Thin Substrate Available
Thickness range 0.1mm ~ 0.5mm for compact HMD design
Custom Broadband AR Coating
Boost light transmittance, eliminate ghost reflection
Mohs 9 High Hardness
Effectively protect internal eyepiece optical elements
Precision CNC Shaping Support
Micro-hole processing, edge chamfering available
Wide Temperature Adaptability
Stable operation for indoor and portable wearable devices
Engineering Specification Table
| Item | Specification |
|---|---|
| Base Material | Single crystal optical sapphire |
| Birefringence | Low birefringence grade for imaging system |
| Available Thickness | 0.1mm / 0.2mm / 0.3mm / 0.5mm |
| Surface Coating | Custom broadband AR anti-reflection coating |
| Surface Quality | Optical grade, low surface defect |
| Application | AR VR head-mounted eyepiece, wearable imaging optical system |

In-House Manufacturing Capability
We complete the whole production flow inside Class 100 dust-free workshop: Ultra-thin sapphire wafer slicing, double-sided precision polishing, CNC micro-shape machining, broadband vacuum AR coating, precision cleaning and full optical parameter testing. All processes self-operated, no outsourcing, stable consistency for wearable optical projects.
CNC Precision Micro-Shape Machining
Double-Sided Optical 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 Partner With Felix Glass
19+ Years of Experience
Custom precision sapphire optical components manufacturing
Independent Coating Workshop
Customized broadband AR vacuum coating in-house
Small-Batch Prototype Sampling
Support AR/VR product research & verification
Strict Optical Inspection
Test birefringence, transmittance and surface quality
Global OEM Service
Mature service for overseas wearable optics manufacturers
Frequently Asked Questions
Q1: Can you process ultra-thin sapphire cover according to our engineering drawings?
A: Yes, we support fully customized size, shape and optical coating based on customer drawings.
Q2: What is the sample lead time?
A: Sample production cycle: 8~13 working days.
Q3: Why low birefringence sapphire is necessary for AR/VR eyepiece?
A: Low birefringence sapphire avoids polarization distortion, ensures clear, uniform imaging effect for wearable display systems.
Get Your Custom Quotation
Submit your technical specifications and drawings via the RFQ form below. Our optical engineer will reply with detailed parameters and quotation within 24 hours.



