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NON-COLOR SHIFTING MULTILAYER STRUCTURES

机译:非彩色移位多层结构

摘要

A multilayer thin film that reflects an omnidirectional structural color including a multilayer stack. The multilayer stack includes a reflector layer; a selective absorber layer extending over the reflector layer; an absorbing layer extending over the first layer; and a dielectric layer extending over the second layer. The multilayer thin film reflects a single narrow band of visible light when exposed to broadband electromagnetic radiation, the single narrow band of visible light having a center wavelength greater than 550 nm, and a visible full width at half maximum (FWHM) width of less than 200 nm. A color shift of the reflected single narrow band of visible light is less than 50 nm when the multilayer stack is exposed to broadband electromagnetic radiation and viewed from angles between 0 and 45 degrees relative to a direction normal to an outer surface of the multilayer thin film.
机译:多层薄膜,其反射包括多层堆叠的全向结构颜色。 多层堆叠包括反射器层; 在反射器层上延伸的选择性吸收层; 吸收层延伸在第一层上; 和延伸在第二层上的介电层。 当暴露于宽带电磁辐射时,多层薄膜反射单个窄带的可见光,具有大于550nm的中心波长的可见光的单个窄带,并且在半最大(fwhm)宽度下的可见全宽度 200纳米。 当多层叠层暴露于宽带电磁辐射时,可见光的反射单个窄带的颜色偏移小于50nm,并且相对于垂直于多层薄膜的外表面的方向从0到45度之间观察到的角度 。

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