High-Reflectivity Super Stable Cavity Spherical Mirrors for Precision Laser Systems
When precision matters, our Super Stable Cavity Reflective Spherical Mirror deliver unmatched performance for resonant cavities in fiber lasers, frequency combs, and industrial systems. Engineered with sub-nanometer surface accuracy and ultra-low thermal drift, these mirrors ensure >99.99% reflectivity even under extreme conditions. Whether you’re optimizing kW-level industrial lasers or stabilizing telecom frequency combs, our solutions balance rigorous stability with customization to meet your exact needs.
Why Choose Our Spherical Mirrors?
- ✅ Zero Thermal Deformation: Proprietary ULE and fused silica substrates minimize alignment shifts, even at 300°C or under rapid thermal cycling, ensuring stability in high-heat environments like industrial furnaces or laser processing systems. This resistance to thermal distortion prevents performance drops, critical for maintaining precision in continuous-operation machinery.
- ✅ Broad Wavelength Customization: Tailor coatings for 632nm–2200nm ranges with <0.5% reflectivity deviation across the surface, 适配从可见光到近红外的多样应用。Whether in medical imaging, remote sensing, or telecommunications, this consistency ensures reliable light control without signal loss or wavelength-specific errors.
- ✅ Industry-Leading Precision: Achieve λ/20 surface accuracy and <5nm RMS roughness for ultra-low cavity losses, ideal for high-finesse lasers and precision spectrometers. This level of precision reduces energy waste and enhances signal clarity, making it indispensable for research-grade optical systems where data integrity is paramount.
- ✅ Built to Last: Validated 50,000+ hour lifespan in high-vibration, high-humidity environments, ensuring durability in harsh settings like manufacturing floors or outdoor monitoring stations. This longevity lowers maintenance costs and downtime, providing consistent performance for long-term, mission-critical operations.
Parameters
| Parameter |
Specification |
| Dimension |
1)D=φ12.7-φ50.8mm(tolerance±0.1),H=4-8mm D:H>4:1(tolerance±0.5)
2)D50.8-φ100mm(tolerance±0.1),H=10-25mm D:H>4:1(tolerance±0.5)
|
| Kickoff size |
φ7.5-45mm |
| Coating area |
conventional size D12.7, coating area size 7.5; D25 coating area size 10, other coating area size can be customized |
| Curvature |
SR: 500-8000mm (customizable), accuracy ±0.05% |
| Surface accuracy |
λ/2-λ/10 @ 632.8nm |
| Spherical accuracy |
30"-3' |
| Roughness |
Ra0.12nm (Zygo profilometer) test area 173*173um full frequency measurement |
| Coating |
R ≥99.999%, Loss 2-6ppm, T 3-5ppm (632-1550nm) |
| Material |
ULE, fused silica, Zerodur |

Trusted Across Industries
- High-Power Laser Cutting/Welding: Maintain beam alignment in 10kW+ systems with mirrors tested for <0.01% annual degradation, ensuring consistent precision in industrial metal processing. This stability prevents misfires and uneven cuts, critical for automotive and aerospace manufacturing where high-volume, high-accuracy welding is essential.
- Telecom Frequency Comb Stabilization: C-band optimized coatings (1520–1565nm) ensure ultra-low dispersion for 5G/6G networks, minimizing signal loss across long-haul fiber links. This precision stabilizes frequency combs, enabling faster data transmission and reducing latency in next-gen communication infrastructure.
- Medical Laser Systems: ISO 13485-compliant mirrors with biocompatible coatings for surgical/diagnostic equipment, meeting strict safety standards for patient contact. These Super Stable Cavity Reflective Spherical Mirror ensures precise laser delivery in procedures like eye surgery or cancer treatment, combining reliability with regulatory compliance for healthcare applications.
Certified Quality Assurance
- ISO 9001:2015 & ISO 14001 Certified
- RoHS/REACH/CE/FCC Compliant
- MIL-STD-810G Shock/Vibration Tested
Customize Your Mirror
1. Wavelength: Specify 632nm–1550nm or IR ranges.
2. Coating: Choose from standard, high-LIDT (>5 J/cm²), or dual-band options.
3. Mounting: Kinematic mounts, flanges, or custom interfaces.
4. Material: Upgrade to Zerodur for near-zero thermal expansion.
Resources for Engineers
- 📄 Spectral Reflectance Reports
- 🛠️ 3D Models (STEP/IGES)
- 📖 Cavity Integration Checklist
Volume Discounts
- 10+ Units: 15% discount + free recoating service.
- 50+ Units: Custom pricing with lifetime technical support.
Global Delivery & Support
- 24/7 engineering consultations.
- Door-to-door tracking across 100+ countries.

FAQs
1. What’s the maximum LIDT for pulsed lasers?
Our high-power series withstands >8 J/cm² (1064nm, 10ns pulses).
2. Can I get 10.6μm CO₂ laser coatings?
Yes – we offer custom IBS coatings for mid-IR applications.
3. How do you ensure curvature accuracy?
Each Super Stable Cavity Reflective Spherical Mirror is verified via interferometry with ±0.05% radius tolerance.
4. Do you provide medical-grade certifications?
Full ISO 13485 documentation included for healthcare OEMs.
Need a Mirror Optimized for Your Cavity?
Contact our engineers at xachaona@163.com for specs, samples, or urgent about Super Stable Cavity Reflective Spherical Mirror requests.