D50*100 Super Stable Cavity-Circular Cavity | Ultra-Stable Beam Alignment for Industrial Lasers & Optics
Engineered for micron-level precision and unmatched thermal stability – the D50*100 Super Stable Cavity-Circular Cavity redefines reliability in high-power laser systems, fiber optics, and quantum computing applications.
Why Choose Our Circular Cavity?
- Zero Thermal Drift: Maintains <0.1nm/K wavelength stability even in 24/7 industrial operations, critical for laser cutting and semiconductor fabrication where heat fluctuations would distort beam quality. This stability prevents production errors, ensuring consistent material processing and high manufacturing yields.
- Perfect Circularity: ±1µm tolerance ensures optimal beam focus and energy distribution, vital for medical lasers and precision metrology. The precise circular shape minimizes energy loss at beam edges, enabling accurate tissue ablation in surgeries or precise measurements in quality control systems.
- Military-Grade Durability: Vibration-damped alloy survives 50G shock loads (MIL-STD-810G certified), ideal for aerospace and defense lasers. This ruggedness withstands combat environments, vehicle vibrations, and airframe shocks, ensuring reliable performance in mission-critical military operations.
- Plug-and-Play Integration: Standard M6/M8 threading fits 90% of laser mounting systems, reducing setup time in research labs and industrial facilities. This compatibility eliminates custom adapter needs, enabling quick installation and seamless integration into existing laser setups

Technical Specifications
| Parameter |
Specification |
| Dimension |
D=φ10-100mm,L=5-200mm(tolerance ±0.1) |
| Through hole diameter |
D=φ5mm-φ30mm (tolerance ±0.1) |
| Working surface parallel |
S1∥S2≤10" |
| Working surface accuracy |
Better than λ/8 |
| Working area defect |
Better than 40/20 |
| Material |
Fused silica |
Note: We offer customization options to meet your specific requirements.
Where It Performs Best
- High-Power Industrial Lasers: Eliminate beam misalignment in cutting/welding systems with our D50*100 Super Stable Cavity-Circular Cavity's patented thermal shielding that resists warping under kW-level heat. This stability ensures consistent weld penetration and precise material cuts, reducing scrap rates in automotive and aerospace manufacturing lines.
- Medical Laser Devices: Achieve FDA-compliant temperature stability for surgical and dermatological applications, maintaining ±0.5°C precision to prevent tissue damage. The design meets biocompatibility standards, ensuring safe use in laser eye surgeries and skin resurfacing procedures.
- Quantum Computing Rigs: Maintain <0.001% frequency drift in cryogenic environments (-196°C to 85°C) using ULE® substrates and low-vibration mounts. This stability preserves quantum bit coherence, critical for error-free calculations in next-gen computing systems.
- Fiber Optic Networks: Reduce signal loss by 30% through perfect circular waveguide geometry with <1µm tolerance, paired with low-absorption coatings. This enhances data transmission efficiency, supporting high-speed internet and 5G networks with minimal latency.
Why Engineers Trust Us Over Competitors
- 5× Better Heat Resistance than aluminum cavities: Withstands extreme temperatures in high-power industrial lasers, maintaining structural integrity during prolonged cutting/welding operations. This resilience prevents thermal warping, ensuring consistent beam alignment and reducing downtime in automotive manufacturing and metal fabrication.
- 60% Less Alignment Drift vs. traditional rectangular designs: Ensures stable performance in medical laser devices and quantum computing rigs, where precision is critical. The reduced drift minimizes calibration needs, enhancing operational efficiency in surgical settings and preserving quantum bit coherence in cryogenic environments.
- 10-Year Structural Warranty – longest in the industry: Backed by rigorous testing, this warranty covers thermal shielding and structural components, providing long-term reliability for fiber optic networks and industrial systems. It offers peace of mind, reducing replacement costs and ensuring consistent performance over a decade of use.
Customize Your Cavity
Choose from:
- Coatings: Gold, Aluminum, HR/AR (250-1600nm range)
- Ports: SMA905, FC/APC, or custom fiber optic adapters
- Thermal Control: Active Peltier cooling (-40°C) to heating (+150°C)
- Bulk Orders: 15% discount on 100+ units with OEM branding
Proven Across Global Industries
> "Maintained <0.2nm wavelength drift in our 10kW fiber laser systems under 24/7 production."
> – TechLas GmbH, Munich
> "Enabled ±0.5μrad pointing stability for EUV lithography optics."
> – PrecisionOpto Corp, Tokyo
Worldwide Compliance & Support
✅ CE/FCC/RoHS Certified
✅ DDP Shipping to 180+ Countries
✅ 48-Hour Emergency Replacement
✅ Local technicians in USA, EU, Japan & China

FAQ
Q: Can this D50*100 Super Stable Cavity-Circular Cavity handle rapid temperature changes in automotive welding systems?
A: Yes – our multi-layer thermal shielding maintains <0.1ppm/°C expansion from -40°C to 150°C.
Q: Do you provide mounting adapters for [Brand X] laser heads?
A: We stock adapters for 90% of industrial systems. Share your interface specs for verification.
Q: What's the lead time for gold-coated models?
A: Standard orders ship in 4 weeks. Need faster? Ask about our 2-week express service (+15% fee).
Need Custom Specifications?
Email our optical engineers: xachaona@163.com about D50*100 Super Stable Cavity-Circular Cavity.