Accessories? Do you carry polarizing filters?
附件？你们有偏振滤光器吗？
Polarizing filters
原声例句
EnglishPod 91-180
EnglishPod 91-180
Polarizing filter um we should! I'm sorry, ma'am. looks like we're sold out.
偏振滤光镜，嗯，我们应该有！不好意思，女士，看起来已经卖完了。
英语百科
Polarizer
![A polarizing filter cuts down the reflections (top) and made it possible to see the photographer through the glass at roughly Brewster's angle although reflections off the back window of the car are not cut because they are less-strongly polarized, according to the Fresnel equations.](/Images/godic/202502/03/Polarizer_Through_Glass4030.jpg")
![A wire-grid polarizer converts an unpolarized beam into one with a single linear polarization. Coloured arrows depict the electric field vector. The diagonally polarized waves also contribute to the transmitted polarization. Their vertical components are transmitted, while the horizontal components are absorbed and reflected. (This is not clearly shown.)](/Images/godic/202502/03/Wire-grid-polarizer.svg4030.png")
![A stack of plates at Brewster's angle to a beam reflects off a fraction of the s-polarized light at each surface, leaving a p-polarized beam. Full polarization at Brewster's angle requires many more plates than shown. The arrows indicate the direction of the electrical field, not the magnetic field, which is perpendicular to the electric field](/Images/godic/202502/03/Brewster-polarizer.svg4030.png")
![A Wollaston prism](/Images/godic/202502/03/Wollaston-prism.svg4030.png")
A polarizer or polariser is an optical filter that passes light of a specific polarization and blocks waves of other polarizations. It can convert a beam of light of undefined or mixed polarization into a beam with well-defined polarization, polarized light. The common types of polarizers are linear polarizers and circular polarizers. Polarizers are used in many optical techniques and instruments, and polarizing filters find applications in photography and liquid crystal display technology. Polarizers can also be made for other types of electromagnetic waves besides light, such as radio waves, microwaves, and X-rays.
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