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Updated: Sep 14, 2025

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
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非局部元表面透镜用于长波长红外辐射

Federico De Luca1, Sriram Guddala1, Michele Cotrufo1,2

  • 1Photonics Initiative, Advanced Science Research Center at the Graduate Center of the City University of New York, New York, NY, 10031, USA.

Advanced materials (Deerfield Beach, Fla.)
|July 22, 2025
PubMed
概括

研究人员使用薄膜开发了新的非局部金属透镜,用于长波红外应用. 这些超薄的介电超表面克服了以前的局限性,使得在热谱区域实现了先进的成像和传感.

关键词:
长波长红外辐射的红外辐射.金属的 金属的metasurfaces 是一个地表.

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There are two main infrared (IR) spectrophotometers: dispersive IR spectrometers and Fourier transform infrared (FTIR) spectrometers. In a dispersive IR spectrometer, a beam of infrared radiation produced by a hot wire is divided into two parallel equal-intensity beams using mirrors. One beam passes through the sample, while another is a reference beam. The beams then move through the monochromator, which separates the radiations into a continuous spectrum of different frequencies. The...
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