Martínez Jiménez, Alejandro, Cernat, Ramona, Bradu, Adrian, Riha, Rene, Proano Grijalva, Esteban Andres, Ole Meyer, Bjorn, Ansbaek, Thor, Yvind, Kresten, Podoleanu, Adrian G.H. (2024) Downconversion Master Slave OCT With a Bidirectional Sweeping Laser. Journal of Biophotonics, . Article Number e202400201. ISSN 1864-063X. E-ISSN 1864-0648. (doi:10.1002/jbio.202400201) (KAR id:107029)
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| Official URL: https://doi.org/10.1002/jbio.202400201 |
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Abstract
This paper explores the challenges of signal processing when using optical coherence tomography (OCT) imaging instruments driven by asymmetric MHz bidirectional sweeping lasers. A downconversion master–slave (DMS) method is proposed as a viable alternative to the traditional OCT protocol. Unlike conventional swept source OCT, which requires a separate calibration for each sweep, the DMS approach does not require calibration of the acquired channeled spectra; its operation is independent of the tuning direction. We demonstrate the practicality of the DMS method with en-face OCT images obtained with an OCT instrument equipped with a fast bidirectional swept laser (tuning speed 1.6MHz) and a slow acquisition card of only 2.5 MS/s sampling rate
| Item Type: | Article |
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| DOI/Identification number: | 10.1002/jbio.202400201 |
| Additional information: | For the purpose of open access, the author has applied a CC BY public copyright licence to any Author Accepted Manuscript version arising from this submission. |
| Subjects: |
Q Science > QC Physics > QC355 Optics Q Science > QC Physics > QC411 Interference |
| Institutional Unit: | Schools > School of Engineering, Mathematics and Physics > Physics and Astronomy |
| Former Institutional Unit: |
Divisions > Division of Natural Sciences > Physics and Astronomy
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| Funders: |
European Commission (https://ror.org/00k4n6c32)
Engineering and Physical Sciences Research Council (https://ror.org/0439y7842) Biotechnology and Biological Sciences Research Council (https://ror.org/00cwqg982) NIHR Moorfields Biomedical Research Centre (https://ror.org/004hydx84) Wellcome Trust (https://ror.org/029chgv08) National Institute for Health Research (https://ror.org/0187kwz08) |
| Depositing User: | Alejandro Martinez Jimenez |
| Date Deposited: | 28 Aug 2024 08:49 UTC |
| Last Modified: | 20 May 2025 09:48 UTC |
| Resource URI: | https://kar.kent.ac.uk/id/eprint/107029 (The current URI for this page, for reference purposes) |
University of Kent Author Information
Martínez Jiménez, Alejandro.
| Creator's ORCID: |
 https://orcid.org/0000-0001-5370-7817
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| CReDIT Contributor Roles: |
Cernat, Ramona.
| Creator's ORCID: |
https://orcid.org/0000-0001-5243-7480
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| CReDIT Contributor Roles: |
Bradu, Adrian.
| Creator's ORCID: |
https://orcid.org/0000-0002-6890-1599
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| CReDIT Contributor Roles: |
Riha, Rene.
| Creator's ORCID: |
https://orcid.org/0000-0003-1327-1072
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| CReDIT Contributor Roles: |
Podoleanu, Adrian G.H..
| Creator's ORCID: |
https://orcid.org/0000-0002-4899-9656
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| CReDIT Contributor Roles: |
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