99.999% Reflective Plane Mirror

① 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)
② Coating area size: conventional size D12.7, coating area size 7.5; D25 coating area size 10, other coating area size can be customized
③ Surface accuracy: λ/ 10@632.8nm
④ Parallel error: <10"
⑤ Roughness: Ra0.12nm (Zygo profilometer) test area 173*173um full frequency measurement
⑥Coating requirement: wavelength 420nm-3000nm, reflection ≥99.999%, loss 2-3ppm, transmission 3-5ppm
Back anti-reflection;
⑦ Material: ULE, fused silica, single crystal silicon, sapphire;
Note: The specific indicators are not limited to the above scope, and can be customized according to user's needs.
Application:Laser gyro, high power laser, super stable laser, high precision optical detection
Product Description

 Why Our 99.999% Reflective Plane Mirror Stand Out

When precision matters, our 99.999% Reflective Plane Mirror delivers unmatched performance. Designed for industries requiring ultra-high reflectivity—like laser gyroscopes, semiconductor manufacturing, and optical detection systems—these mirrors minimize energy loss (just 2-3ppm) while maximizing durability.

Key Specifications

Parameter Specification
Dimension 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  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) test area 173*173um full frequency measurement
Reflectivity ≥99.999% (420nm-3000nm)
Loss 2-3ppm
Transmission 3-5ppm
Material Options ULE, fused silica, single crystal silicon, sapphire

Note: Custom specifications available upon request.

Built for Demanding Applications

1. Uncompromised Precision

Every 99.999% Reflective Plane Mirror undergoes 100% inspection using Zygo profilometers (Ra0.12nm roughness) to guarantee surface integrity. Ideal for high-power lasers where even micron-level flaws can cause system failure.

2. Customization Without Complexity

Need a non-standard size or coating? Our team crafts tailored solutions in 72 hours. Popular requests include:

  • Backside anti-reflective coatings
  • Custom diameters up to 300mm
  • Enhanced dielectric layers for specific wavelength ranges

3. Survives Tough Conditions

Withstand temperature fluctuations, humidity, and mechanical stress—thanks to borosilicate glass and fused silica substrates.

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🌍 Global Shipping Made Simple

Key Delivery Options:

  • Asia: EXW Shenzhen, CIF Jakarta
  • Europe: DDP Rotterdam (28-day sea freight)
  • North America: FCA Los Angeles (12-day air)

All orders ship in anti-static, shock-proof packaging.

Trusted by Industry Leaders

  • ✅ Fortune 500 Suppliers: Partner with industry-leading manufacturers boasting global supply chains and rigorous quality control, ensuring consistent component availability even for high-volume orders. Their established reputations guarantee reliability, from raw material sourcing to production, minimizing risks of delays or subpar performance.​
  • ✅ NASA-Certified Testing Labs: All components undergo validation in labs accredited by NASA, meeting stringent aerospace standards for thermal resilience, radiation resistance, and precision. This certification ensures compliance with mission-critical requirements, giving confidence in performance for space, defense, and advanced research applications.​
  • ✅ 24/7 Engineering Support: Access round-the-clock technical assistance for custom designs, troubleshooting, and integration guidance, with experts ready to address urgent issues—whether optimizing coating specs or resolving delivery challenges. This responsive support minimizes downtime, ensuring seamless project progression across time zones and tight deadlines.

Get Your Custom Quote in 2 Hours!

  • Required Quantity: Specify the number of optical components needed, whether for small-batch research projects or large-scale production runs. Bulk orders may qualify for volume pricing, while precise small quantities ensure minimal waste for prototype development, aligning with project timelines and budget constraints.​
  • Coating Type: Select between dielectric multilayer or protected aluminum coatings based on application needs. Dielectric coatings suit broad-spectrum stability in quantum systems, while protected aluminum offers cost-effective durability for industrial lasers, ensuring the chosen type matches operational environments and performance goals.​
  • Target Delivery Port: Indicate the preferred port for shipping, whether domestic hubs like Los Angeles or international gateways such as Rotterdam. This ensures streamlined logistics, reducing transit times and customs delays, critical for keeping production schedules on track or meeting research project deadlines.

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FAQs: Your Questions, Answered

1. How do you test reflectivity?

We use spectrophotometers and third-party labs to verify 99.999% reflectivity. Certificates provided with every order.

2. What’s the MOQ?

100 units for standard sizes. No MOQ for custom projects.

3. Can these 99.999% Reflective Plane Mirror handle high temperatures?

Yes—fused silica substrates remain stable from -60°C to 300°C.

Need Help?

Contact our optical engineers about 99.999% Reflective Plane Mirror:

📧 xachaona@163.com

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