How to classify the characteristics of products processed by optical coating equipment?
How to classify the characteristics of products processed by optical coating equipment? Basic optical coating processing devices include polarizing films, interference filters, reflective films, anti-reflection films, and beam splitters, etc. They have been widely used in the national economy and national defense construction, and have been paid more and more attention by scientific and technological workers. For example, the use of anti-reflection coatings can reduce the luminous flux loss of complex optical lenses by a factor of ten; the use of mirrors with high reflective coating ratios can double the output power of lasers; and the use of optical films can improve the efficiency and stability of silicon cells.
The simplest optical film model is a smooth, isotropic, homogeneous dielectric film. In this way, the optical properties of optical films can be studied using the interference theory of light. When a monochromatic plane wave strikes an optical film, it is reflected and refracted multiple times on its two surfaces. The directions of the reflected and refracted light are given by the laws of reflection and refraction, and the amplitude of the reflected light is determined by the Fresnel formula.
Optical coatings can be divided into reflective films, anti-reflection films/anti-reflection films, filters, polarizers/polarizing films, compensation films/retardation plates, alignment films, diffuser films/films, brightness enhancement films/prism films/light concentrators Film, shading film/black and white glue, etc. Related derivatives include optical grade protective films, window films, and the like.
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