Universal photonics tomography

Universal photonics tomography

3D imaging is essential for the study and analysis of a wide variety of structures in numerous applications. Coherent photonic systems such as optical coherence tomography (OCT) and light detection and ranging (LiDAR) are state-of-the-art approaches, and their current implementation can operate in r...

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Veröffentlicht in:Optics express 2022-05, Vol.30 (11), p.19222-19235
Hauptverfasser: Gaur, Prabhav, Grieco, Andrew, Alshamrani, Naif, Almutairi, Dhaifallah, Fainman, Yeshaiahu
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container_end_page 19235
container_issue 11
container_start_page 19222
container_title Optics express
container_volume 30
creator Gaur, Prabhav
Grieco, Andrew
Alshamrani, Naif
Almutairi, Dhaifallah
Fainman, Yeshaiahu
description 3D imaging is essential for the study and analysis of a wide variety of structures in numerous applications. Coherent photonic systems such as optical coherence tomography (OCT) and light detection and ranging (LiDAR) are state-of-the-art approaches, and their current implementation can operate in regimes that range from under a few millimeters to over more than a kilometer. We introduce a general method, which we call universal photonics tomography (UPT), for analyzing coherent tomography systems, in which conventional methods such as OCT and LiDAR may be viewed as special cases. We demonstrate a novel approach (to our knowledge) based on the use of phase modulation combined with multirate signal processing to collect positional information of objects beyond the Nyquist limits.
doi_str_mv 10.1364/OE.454497
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title Universal photonics tomography
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