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 For Mainland China customers: 
Tel: 0086 510 8568 5555; 0086 18961862988
Email: support@nanotech-China.com; wxnanotech@hotmail.com
 
 For International Customers:
 Tel: 00852 5169 5858
Email: global@nanotech-China.com; wxnanotech@hotmail.com
URL: http://www.nanotech-China.com

 
Our products

Super-polished customer optics

Super-polished surfaces are often required for applications where it is critical to reduce the scattering of light as it passes through the surface of an optic. This is especially important in applications using short wavelengths (such as X-ray optics), photolithography (especially EUV lithography), Fabry-Perot etalons, and instruments for high-performance telescopes, among many other applications.

With the MR fluid from QED which is specifically designed and engineered for this application, NANOTECH is capable of making very smooth surface with roughness down to ~ 0.2 nm (2 angstroms !!) rms. This is usually done on plano surface, but it can also be achieved on spherical and aspheric surfaces. We have already carried out super-polishing experiments on materials such as fused silica (FS) and conventional optical glasses (e.g., BK7), and the technique can be easily applied to other glasses and optical crystals. 

Contact us if you need super-polished optical components.

An AFM image of the fused silica optical flats, with roughness around 0.22 nm rms, is shown above.

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