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发明公开
CN103308486A 基于表面等离子体的复合谐振腔红外光子吸收器件 无效 - 撤回

基于表面等离子体的复合谐振腔红外光子吸收器件
摘要：
本发明公开了一种基于表面等离子体的复合谐振腔红外光子吸收器件，属于红外光子吸收技术领域，解决了现有技术中红外光子吸收器件在红外波段吸收率小，工作波段较窄的技术问题。本发明的红外光子吸收器件包括反射层；在所述反射层上形成的介质层；在所述介质层上形成的金属层，所述的金属层由周期性排列的微结构组成，微结构的尺寸和周期均为亚波长量级。本发明的复合谐振腔红外光子吸收器件对入射光的平均吸收率高达95%，且能够在较宽的波段内工作。
摘要（英）：

The invention discloses a surface-plasma-based infrared photon absorption device of a composite resonator, belongs to the technical field of infrared photon absorption, and solves the technical problems of small absorptivity and narrow work wavebands of the infrared photon absorption device at an infrared waveband in the prior art. The infrared photon absorption device disclosed by the invention comprises a reflecting layer, a medium layer, and a metal layer, wherein the medium layer is formed on the reflecting layer; the metal layer is formed on the medium layer; the metal layer is formed by microstructures which are arranged periodically; the dimensions and the cycles of the microstructures are in sub-wavelength scales. The average absorbance of the infrared photon absorption device of the composite resonator, disclosed by the invention, on incident light can be up to 95%; the infrared photon absorption device can work within a relatively wide waveband.

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