Optical thin film technology with anti-reflection function

Abstract

The invention relates to an optical thin film technology with an anti-reflection function. The optical thin film technology comprises the following steps: S1, preparing a blended polymer solution; S2,cleaning a substrate; S3, spin-coating a film; S4, drying; S5, removing the PS; during S1, a blended polymer solution is prepared, the concentration of the blended solution and the ratio of PMMA to PS in the blended solution are very important parameters influencing the microporous structure of the prepared nano-porous membrane, the uniformity of spin coating in the spin coating process can be influenced if the concentration is too high, and the surface roughness and the membrane thickness of the spin-coated membrane are increased, so that scattering of incident light by the membrane is intensified, and the membrane is in an opaque state; by improving the technology of the optical thin film with the anti-reflection function, the anti-reflection optical thin film has the advantages of reasonable design, large incident angle range, broadband and even ultra-broadband anti-reflection effect, uniform spectral response characteristic, simple preparation process, easiness in storage, cuttingand transportation and the like, and reflection and transmission light color balance is ensured not to be damaged. Therefore, the problems and defects provided by the invention are effectively solved.

Description

technical field [0001] The invention relates to an optical film technology with anti-reflection function, in particular to an optical film technology with anti-reflection function. Background technique [0002] Optical film usually refers to a single-layer or multi-layer medium that can interfere with light and change its light intensity distribution, polarization and phase characteristics. By combining and utilizing the different optical, mechanical and electrical characteristics of these layers, various Functions and uses of thin-film devices. [0003] In the development of optical technology, the importance of optical thin films is self-evident. Almost all optical, optoelectronic systems and optoelectronic instruments are inseparable from the application of optical thin films. The optical film changes the reflection, transmission and polarization characteristics of light during the propagation process, realizes beam adjustment and redistribution (beam splitting film, col...

AI Technical Summary

Problems solved by technology

Surface reflection will bring serious consequences: loss of light energy, reducing image brightness; part of the optics undergoes multiple reflections and scattering, becoming stray light, reducing image resolution, and greatly affecting the imaging quality of the lens system and the signal quality of the optical communication system