Journal
OPTICS EXPRESS
Volume 28, Issue 20, Pages 28868-28881Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.404143
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Funding
- Japan Society for the Promotion of Science, KAKENHI (JSPS-KAKENHI) [JP 16H06507, JP 18H03884, JP 18K04967, JP 19K05299]
- Core Research for Evolutional Science and Technology (JST-CREST) [JPMJCR1903]
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We report a simple single-pixel imaging system with a low mean squared error in the entire terahertz frequency region (3-13 THz) that employs a thin metallic ring with a series of directly perforated random masks and a subpixel mask digitization technique. This imaging system produces high pixel resolution reconstructed images, up to 1200 x 1200 pixels, and imaging area of 32 x 32 mm(2). It can be extended to develop advanced imaging systems in the near-ultraviolet to terahertz region. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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