Single Crystal Silicon Super Stable Cavity-Square Cavity

Ultra-Stable Square Silicon Cavities for Precision Science

Engineers and researchers trust the Single Crystal Silicon Super Stable Cavity-Square Cavity to deliver unparalleled performance in extreme environments. Designed with 99.9999% pure monocrystalline silicon, our cavities minimize thermal noise and mechanical drift, making them ideal for applications where even sub-nanometer fluctuations matter. Whether you’re stabilizing lasers for atomic clocks or aligning mirrors for interferometry, this solution offers stability metrics that outperform traditional fused silica or ULE glass designs.

Why Choose Our Square Silicon Cavities?

1. Material Excellence

• Ultra-High Purity: >99.999% single-crystal silicon reduces lattice defects and thermal expansion inconsistencies.
• Cryogenic Compatibility: Operate seamlessly from 4K to 300K with a thermal expansion coefficient (CTE) <3 ppb/K.

2. Precision Engineering

• Micron-Level Accuracy: Achieve ±1 µm dimensional tolerances and <10 arcsec angular alignment.
• Super-Polished Surfaces: <0.5 nm RMS roughness ensures >99.9% reflectivity across 700–2000 nm wavelengths.

3. Proven Stability

• Vibration Resistance: Patented damping designs reduce mechanical noise by 40% compared to industry standards.
• Long-Term Reliability: Maintain <1×10⁻¹⁵ frequency stability over 24+ hours in high-vacuum environments.

4. Tailored Solutions

• Customize dimensions (10×10×10 mm to 200×200×200 mm), coatings (dielectric, Au, or custom stacks), and mounting interfaces.

Parameters

Note: Custom specifications available upon request.

Applications That Demand Precision

• Quantum Computing: Stabilize qubit readout cavities with near-zero thermal drift, leveraging the proprietary CTE-optimized sapphire blend that maintains ±0.01 ppm/°C stability across 4K–300K. This prevents frequency interference, preserving qubit coherence critical for error-free quantum calculations in cryogenic environments.​
• Gravitational Wave Detection: Minimize mirror displacement noise in LIGO-style interferometers using atomic-level surface perfection (<1 nm RMS roughness). Laser-polished surfaces reduce scatter, enhancing sensitivity to faint spacetime ripples that would be masked by traditional Single Crystal Silicon Super Stable Cavity-Square Cavity imperfections.​
• Optical Clocks: Achieve 10⁻¹⁸ uncertainty with ultra-stable reference cavities, combining sapphire’s thermal stability with space-saving square design. This precision ensures timekeeping accuracy, essential for global navigation systems and fundamental physics experiments requiring temporal precision.​
• Space Missions: Radiation-hardened variants available for satellite-based systems, featuring MIL-STD-810G mounting flanges and thermal stability to withstand orbital temperature swings. These ruggedized components maintain performance amid cosmic radiation, critical for reliable space-borne optical systems.

Outperforming Alternatives

vs. Fused Silica

• 10x Lower Thermal Noise: Ideal for cryogenic setups.
• Monolithic Construction: Eliminates epoxy-induced drift.

vs. ULE Glass

• No Aging Effects: Consistent performance over decades.
• Superior Thermal Cycling: Withstand 500+ cycles without degradation.

Trusted by Leading Innovators

"Enabled sub-fm/√Hz stability in our next-gen interferometer."– Max Planck Institute for Gravitational Physics

"Critical for achieving 10⁻¹⁸ clock uncertainty."– NIST-Affiliated Research Group

Customize Your Cavity

Need a specific coating, size, or mounting system? Our R&D team partners with you to:

1. Simulate thermal/mechanical performance for your use case.

2. Provide rapid prototyping with 3-week sample delivery.

3. Deliver NIST-traceable metrology reports with every unit.

Request a Free Consultation:

Submit your details to receive a full spec sheet instantly.

FAQ

Q: How does the square geometry improve stability?

A: Single Crystal Silicon Super Stable Cavity-Square Cavity reduces asymmetric mechanical resonance modes by 60% compared to cylindrical designs, enhancing alignment reproducibility.

Q: Are your cavities ITAR-compliant?

A: Yes—we support U.S.-based collaborations with full ITAR compliance.

Q: What certifications do you provide?

A: ISO 9001, ISO 17025, RoHS, and REACH documentation included.

Q: Can I integrate these into existing vacuum systems?

A: Absolutely—our standard designs work with CF/KF flanges; custom flanges available.

Contact Us

Ready to elevate your research or applications with our Single Crystal Silicon Super Stable Cavity-Square Cavity? We're here to help. Reach out to our team at xachaona@163.com for personalized assistance, detailed specifications, or to discuss your unique requirements. Let's push the boundaries of optical technology together.