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Rapid imaging of pulsed terahertz radiation with spatial light modulators and neural networks
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Stantchev, Rayko Ivanov, Li, Kaidi and Pickwell-MacPherson, Emma (2021) Rapid imaging of pulsed terahertz radiation with spatial light modulators and neural networks. ACS Photonics, 8 (11). pp. 3150-3155. doi:10.1021/acsphotonics.1c00634
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WRAP-rapid-imaging-pulsed-terahertz-radiation-spatial-light-modulators-neural-networks-Pickwell-MacPherson-2021.pdf - Accepted Version - Requires a PDF viewer. Download (2580Kb) | Preview |
Official URL: http://dx.doi.org/10.1021/acsphotonics.1c00634
Abstract
We report the first use of a convolutional neural network for terahertz (THz) imaging combined with a single-pixel camera to achieve high quality hyperspectral THz imaging 10× faster than the current commercial systems, with faster potential only limited by noise. Imaging with a spatial light modulator (SLM) relies on projecting a set of spatial patterns onto an object and recording the transmission with a single-pixel detector, and an optical delay unit (ODU) is used to obtain the terahertz time-of-flight information. A key breakthrough in this work is to synchronize the equipment to not need any time to instruct the ODU to move while projecting the patterns.
| Item Type: | Journal Article | ||||||||||||||||||
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| Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||||||||||
| Library of Congress Subject Headings (LCSH): | Terahertz technology, Diagnostic imaging, Terahertz spectroscopy , Wireless communication systems, Light modulators, Time-domain analysis, Neural networks (Computer science) | ||||||||||||||||||
| Journal or Publication Title: | ACS Photonics | ||||||||||||||||||
| Publisher: | American Chemical Society (ACS) | ||||||||||||||||||
| ISSN: | 2330-4022 | ||||||||||||||||||
| Official Date: | 17 November 2021 | ||||||||||||||||||
| Dates: |
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| Volume: | 8 | ||||||||||||||||||
| Number: | 11 | ||||||||||||||||||
| Page Range: | pp. 3150-3155 | ||||||||||||||||||
| DOI: | 10.1021/acsphotonics.1c00634 | ||||||||||||||||||
| Status: | Peer Reviewed | ||||||||||||||||||
| Publication Status: | Published | ||||||||||||||||||
| Reuse Statement (publisher, data, author rights): | This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Photonics, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://dx.doi.org/10.1021/acsphotonics.1c00634 | ||||||||||||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||||||||||||
| RIOXX Funder/Project Grant: |
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