Transmission and reflectance spectra and colors of optical thin films are two characteristics of thin film devices that exist at the same time.
1. Transmission and reflectance spectrum is the relationship between reflectance and transmittance of optical thin film devices with wavelength.
It is characterized by:
Comprehensive – see the reflectance and transmittance distribution characteristics of the whole wavelength band.
Accurate – reflectance and transmittance values for each wavelength are accurately presented.
Unique – standardized measurement and expression without ambiguity.
2. Color is the visual characteristic that a thin film device presents to the human eye when illuminated by a visible light source.
3. It is characterized by:
Intuitive – is the human eye to see the real feeling (sensibility).
One-sided – only show the thin film device on the visible light transmission, reflection characteristics.
Variable – color changes with the light: change the light source film device will change the color; vary from person to person: different people can see different color sensation;
A color multi-spectrum: the same color can correspond to different spectra.
–This article is released by vacuum coating machine manufacturer Guangdong Zhenhua
Post time: Apr-24-2024