LAYERS 9 – Quantized Nanolaminates
Quantized Nanolaminate (QNL) technology is emerging as a breakthrough approach for next‑generation optical coatings. Evatec showcases how QNLs enable manufacturers to “tune” thin‑film properties with unprecedented precision, opening new pathways for high‑performance, cost‑efficient mass production.
Using the CLUSTERLINE® 200 BPM platform, Evatec demonstrates how QNLs can be engineered by adjusting material ratios and deposition parameters to achieve a wide range of refractive indices. This tunability allows production of advanced antireflection coatings, laser mirrors, and multilayer structures that offer greater robustness against process variations compared to traditional thin‑film designs.
The article highlights how QNL‑based coatings deliver:
- Improved process stability and reduced sensitivity to layer‑thickness deviations
- Enhanced optical performance through intermediate refractive index control
- Higher laser‑induced damage thresholds, enabling performance levels comparable to or better than ion‑beam sputtered (IBS) coatings
- Lower cost of ownership, thanks to high‑throughput magnetron sputtering on a proven production platform
With demonstrated success in both AR coatings and high‑power laser mirrors, QNL technology represents a major step forward for manufacturers looking to scale high‑precision optical coatings without compromising on performance.
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