ArticleBiomedical optics express2023
Confocal corrected attenuation coefficient imaging in phantoms and
Article in Biomedical optics express, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Quantitative assessment of retinal attenuation and backscattering in OCT imaging using iterative layer-based analysis.Biomedical optics express · 2025Article
- Chromatic dispersion based axial length estimation using retinal spectral domain optical coherence tomography.Biomedical optics express · 2025Article
- Basis function model to extract the combined confocal and fall-off function from multiple optical coherence tomography A-scans.Journal of biomedical optics · 2025Article
- Optical Attenuation Coefficient-Based En Face Optical Coherence Tomography Imaging for the Reliable Assessment of the Ellipsoid Zone.Journal of clinical medicine · 2024Article
- High-Precision Chromatic Confocal Technologies: A Review.Micromachines · 2024Review
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Optical coherence tomography (OCT) is conventionally used for structural imaging of tissue. Calibrating the intensity values of OCT images can give information on the tissue's inherent optical properties, such as the attenuation coefficient, which can provide an additional parameter to quantify possible pathological changes. To obtain calibrated intensity values, the focus position and Rayleigh length of the incident beam need to be known. We explore the feasibility of extracting the focus position from an OCT scan acquired with a single focus setting using the chromatic aberration of the system. The chromatic focal shift of an OCT system is exploited to achieve different focus positions for sub-spectrum reconstructed OCT images. The ratios of these images are used to estimate the focus position. Reconstruction of a high-resolution B-scan from coherent addition of sub-spectrum confocal function corrected B-scans and subsequent high-resolution OCT attenuation coefficient imaging is demonstrated. Furthermore, we introduce a method to experimentally determine the chromatic focal shifts of an OCT system in phantoms and an
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Registered trials
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