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8 June 2024 Innovations in all-optical image processing: the promise of meta-optics
Lukas Wesemann, Shaban B. Sulejman, Niken Priscilla, Lincoln Clark, Haiwei Wang, Iryna Khodasevych, Krishna M. Nair, Md. Ataur Rahman, Timothy J. Davis, Michele Cotrufo, Andrea Alù, Francesca Iacopi, Madhu Bhaskaran, Ann Roberts
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Proceedings Volume PC13030, Image Sensing Technologies: Materials, Devices, Systems, and Applications XI; PC130300B (2024) https://doi.org/10.1117/12.3012563
Event: SPIE Defense + Commercial Sensing, 2024, National Harbor, Maryland, United States
Abstract
Nanophotonic devices have gained attention as promising solutions for all-optical image processing. These filters are of subwavelength size and carry potential to address limitations of current image processing technology including processing speed, energy requirements as well as size. We present results demonstrating the use of thin-film absorbers and metasurfaces to real-time detection of edges in images and the visualisation of phase objects including human cancer cells. We discuss the extension of these approaches to implement tuneable devices using phase-change materials and graphene. These approaches have potential for integration into ultra-compact mobile medical diagnostic tools, as well as remote sensing systems.
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© (2024) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Lukas Wesemann, Shaban B. Sulejman, Niken Priscilla, Lincoln Clark, Haiwei Wang, Iryna Khodasevych, Krishna M. Nair, Md. Ataur Rahman, Timothy J. Davis, Michele Cotrufo, Andrea Alù, Francesca Iacopi, Madhu Bhaskaran, and Ann Roberts "Innovations in all-optical image processing: the promise of meta-optics", Proc. SPIE PC13030, Image Sensing Technologies: Materials, Devices, Systems, and Applications XI, PC130300B (8 June 2024); https://doi.org/10.1117/12.3012563
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KEYWORDS
Image processing
2D materials
Remote sensing
Signal processing
Thin films
Sensing systems
Tunable filters
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