What alternatives to gold coating are available?
We offer customized coating solutions that are not only competitively priced but also deliver in terms of performance and environmental stability:
- Copper coatings (Cu): High reflectivity in the MWIR/LWIR range, ideal for cost-optimized IR systems. An additional protective layer significantly increases environmental stability.
- Aluminum (pure): Good in the VIS/NIR range, robust, cost-effective, and ideally suited for multispectral optics.
- Al-enhanced: Aluminum with optimized dielectric protective layers for improved IR performance and high mechanical robustness.
Hybrid metal/dielectric combinations: Tailor-made solutions for demanding IR- and defense applications.
Advantages at a glance:
- Cost savings: Alternatives are significantly cheaper than gold.
- High environmental stability: Protection against moisture, temperature changes, and mechanical stress, adapted to the requirements of the respective component and its area of application.
- Flexibility: Solutions for VIS, NIR, MWIR, LWIR
Typical areas of application:
From industrial IR systems to high-end defense applications, our coatings are up to any challenge.
Further details in the data sheet (download as PDF)
