Journal
SCIENTIFIC REPORTS
Volume 11, Issue 1, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41598-021-98106-5
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Funding
- Dodd-Walls Centre for Photonic and Quantum Technologies (New Ideas Fund)
- TEAM TECH programme of the Foundation for Polish Science [POIR.04.04.00-00-2070/16-00]
- European Union under the European Regional Development Fund
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Quantum Optical Coherence Tomography (Q-OCT) offers high resolution and immunity to dispersion, but suffers from artifacts. Two algorithms are proposed to address artifacts in Fd-Q-OCT, despite effective methods already existing in Time-domain Q-OCT.
Quantum Optical Coherence Tomography (Q-OCT) is a non-classical equivalent of Optical Coherence Tomography and is able to provide a twofold axial resolution increase and immunity to resolution-degrading dispersion. The main drawback of Q-OCT are artefacts which are additional elements that clutter an A-scan and lead to a complete loss of structural information for multilayered objects. Whereas there are very practical and successful methods for artefact removal in Time-domain Q-OCT, no such scheme has been devised for Fourier-domain Q-OCT (Fd-Q-OCT), although the latter modality-through joint spectrum detection-outputs a lot of useful information on both the system and the imaged object. Here, we propose two algorithms which process a Fd-Q-OCT joint spectrum into an artefact-free A-scan. We present the theoretical background of these algorithms and show their performance on computer-generated data. The limitations of both algorithms with regards to the experimental system and the imaged object are discussed.
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