When engineering climate-resilient solar farms, smart cities, or disaster-ready facilities, every component must deliver uncompromising performance. Our ULE Plane Mirror solves critical challenges in renewable energy and precision optics with Corning’s ultra-low expansion glass—maintaining λ/10 surface accuracy even in -50°C to 300°C extremes. Trusted by NASA contractors and leading semiconductor fabs since 1998, these mirrors reduce solar project costs by 12–18% while exceeding LEED and UN SDG compliance standards.
✅ Unmatched Thermal Stability
Crafted from Corning ULE® glass (0±30 ppb/°C CTE), our mirrors eliminate distortion in desert heat or arctic cold—ideal for solar concentrators and LiDAR systems.
✅ Precision You Can Trust
✅ Built to Last Decades
MIL-STD-810 compliant coatings resist sandstorms, salt corrosion, and UV degradation, backed by a 10-year warranty.
✅ Customized for Your Project
Choose diameters up to 4 meters, anti-reflective coatings, or stress-free mounts tailored for seismic zones.
| Parameter | Specification |
|---|---|
| Dimension | D=φ3-φ25mm (tolerance ±0.1), H=3-8mm D:H > 4:1 (tolerance ±0.5) D=φ26-φ100mm (tolerance ±0.1), H=6-25mm D:H > 5:1 (tolerance ±0.5) |
| Coating Area Size | conventional size D12.7, coating area size 7.5; D25 coating area size 10, other coating area size can be customized |
| Surface Accuracy | λ/10@632.8nm |
| Parallel Error | <10" |
| Roughness | Ra0.12nm (Zygo profilometer, 173*173um full frequency measurement) |
| Coating Requirement | Wavelength: 420nm-3000nm Reflection: ≥99.999% Loss: 2-3ppm Transmission: 3-5ppm Back anti-reflection coating available |
| Materials | ULE, fused silica, single crystal silicon, sapphire |
Note: Specifications can be customized to meet your specific requirements.

Whether deploying mirrors in Saudi Arabian deserts or coastal wind farms, our ULE Plane Mirror technology ensures:
🌡️ Heat/Cold Resistance: Operate flawlessly between -50°C and 300°C—no warping or efficiency loss, making it ideal for arctic research stations and desert industrial plants. This wide range ensures consistent performance in cryogenic quantum labs or high-temperature manufacturing lines, where thermal extremes would cripple standard optics.
🌀 Storm Resilience: Tested to withstand 200 km/h winds and airborne debris, perfect for outdoor laser systems like weather monitoring stations or coastal LIDAR setups. The rugged build resists damage from hurricanes or dust storms, ensuring uninterrupted operation in harsh climates where equipment reliability is critical.
🌱 Eco-Friendly Design: 95% recycled manufacturing waste and REACH-compliant materials align with green initiatives in aerospace and medical sectors. This sustainable approach reduces environmental impact without sacrificing precision, appealing to organizations prioritizing eco-responsibility in high-performance optical component sourcing.
Pre-packaged documentation for:
📈 Case Study 1: A 500MW Moroccan solar farm achieved 22% higher energy output using our ULE mirrors, withstanding 55°C daily swings—their thermal stability prevented warping under scorching midday heat and cold desert nights, ensuring consistent sunlight reflection onto receivers, boosting efficiency in a region where temperature extremes often degrade standard mirror performance.
🛣️ Case Study 2: Flood-resistant smart highways in Bangladesh integrated IoT-enabled mirrors for real-time traffic monitoring—zero maintenance in 5 years, thanks to storm resilience (withstanding monsoon winds and debris) and corrosion-resistant materials that endured seasonal flooding, providing reliable data for traffic management without interruptions in harsh tropical conditions.

1. How does ULE Plane Mirror cut solar farm costs?
By boosting reflectivity to 99.999%, they reduce land use and panel counts while lasting 25+ years—saving $2.1M per 100MW vs. aluminum mirrors.
2. Can I get region-specific certifications?
Yes! We pre-certify mirrors for LEED (Americas), BREEAM (Europe), and BRI projects (Asia/Africa).
3. What if my site lacks optical expertise?
Our engineers provide on-site training for installers, plus a 24/7 support portal.
4. Are custom coatings available?
Choose from anti-reflective, hydrophobic, or EMI-shielding coatings—optimized for your climate.
Email xachaona@163.com about ULE Plane Mirror:
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