Meta-optics for new approaches to all-optical image processing

Lukas Wesemann; Shaban B. Sulejman; Niken Priscilla; Wendy Lee; Lincoln Clark; Jon Rickett; Jingchao Song; Jieqiong Lou; Elizabeth Hinde; Timothy J. Davis; Ann Roberts

doi:10.1117/12.2678073

12 August 2023 Meta-optics for new approaches to all-optical image processing

Lukas Wesemann, Shaban B. Sulejman, Niken Priscilla, Wendy Lee, Lincoln Clark, Jon Rickett, Jingchao Song, Jieqiong Lou, Elizabeth Hinde, Timothy J. Davis, Ann Roberts

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Proceedings Volume PC12622, Optical Methods for Inspection, Characterization, and Imaging of Biomaterials VI; PC126220B (2023) https://doi.org/10.1117/12.2678073
Event: SPIE Optical Metrology, 2023, Munich, Germany

Abstract

Meta-optical devices have emerged as promising candidates for all-optical image processing. These devices are of subwavelength size and have the potential to address limitations of current image processing methods including processing speed, energy requirements as well as form factor. We present experimental results demonstrating the use of thin-film absorbers and optical metasurfaces to real-time detection of edges in images and the visualisation of phase objects including human cancer cells. Furthermore, we discuss progress towards the use of meta-optics for ultra-compact wavefront recovery. The findings to be presented have potential for applications in biological live-cell imaging, ultra-compact medical diagnostic tools, and wavefront correction methods.

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Lukas Wesemann, Shaban B. Sulejman, Niken Priscilla, Wendy Lee, Lincoln Clark, Jon Rickett, Jingchao Song, Jieqiong Lou, Elizabeth Hinde, Timothy J. Davis, and Ann Roberts "Meta-optics for new approaches to all-optical image processing", Proc. SPIE PC12622, Optical Methods for Inspection, Characterization, and Imaging of Biomaterials VI, PC126220B (12 August 2023); https://doi.org/10.1117/12.2678073

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KEYWORDS

Image processing

Geometrical optics

2D materials

Imaging systems

Signal processing

Polarization

Thin films

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