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- W3136556305 abstract "We report a novel approach for potentially achieving subwavelength terahertz (THz) imaging using photo-induced coded apertures on mesa-array structures. The proposed structure consists of a two-dimensional array of semiconductor mesas, which results in free carriers being confined inside each mesa, and consequently much refined photopatterns being generated for achieving subwavelength imaging resolution. A Si mesa-array structure was fabricated and tested. A modulation depth of ~22 dB was obtained in the frequency range of 740–750 GHz under a light intensity of ~9 W/cm2. Initial imaging experiments were performed and the results indicate a great potential of achieving subwavelength resolution. The advanced PI-CAI technique utilizing mesa-array structures provides a novel solution for approaching subwavelength-resolution THz imaging." @default.
- W3136556305 created "2021-03-29" @default.
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- W3136556305 date "2020-11-08" @default.
- W3136556305 modified "2023-09-23" @default.
- W3136556305 title "Approaching Subwavelength Terahertz Imaging Using Photo-Induced Coded Apertures on Mesa-Array Structures" @default.
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- W3136556305 doi "https://doi.org/10.1109/irmmw-thz46771.2020.9370938" @default.
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