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Assembling a BRDF setup for optical metasurfaces characterization

Sanders, Isaak
; 
Marinov, Emil
; 
Genevet, Patrice
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2025-04
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2025 Spring Undergraduate Research Symposium
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Sanders_Isaak_UGRS2025.pdf
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https://hdl.handle.net/11124/180532
 https://doi.org/10.25676/11124/180532
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Abstract
Optical components called metasurfaces control the phase, amplitude, and polarization of light waves using a two-dimensional array of optical resonators. Analysis of these metasurfaces is useful for their design and application. A bidirectional reflectance distribution function (BRDF) setup is optimal for this. This setup measures the radiant and irradiant light and compares them. A BRDF setup was created in the lab with mobile arms that rotate around a sample. The arm movement was coded in LabView. It will allow for continued metasurface development for possible uses in optical computing, LiDAR, hologram generation, and other optical components.
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