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2022

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10

Coating method on optical glass surface

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Optical interference is widely used in thin film optics. The common method of optical thin film technology is coating thin film on glass substrate by means of vacuum sputtering, which is generally used to control the reflectivity and transmittance of the substrate to the incident light beam to meet different needs. In order to eliminate the reflection loss on the surface of optical parts and improve the imaging quality, one or more layers of transparent dielectric film are coated, which are called antireflective film or antireflective film. With the development of laser technology

Key words: Optics

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