birefringence
eardrum
endoscope
in vivo
optical coherence tomography
polarimetry
Journal
Journal of biomedical optics
ISSN: 1560-2281
Titre abrégé: J Biomed Opt
Pays: United States
ID NLM: 9605853
Informations de publication
Date de publication:
12 2023
12 2023
Historique:
received:
15
12
2022
accepted:
27
02
2023
medline:
4
4
2023
entrez:
3
4
2023
pubmed:
4
4
2023
Statut:
ppublish
Résumé
Endoscopic optical coherence tomography (OCT) is of growing interest for To assess the collagen fiber layer within the An endoscopic swept-source OCT setup was redesigned and extended by a polarization-diverse balanced detection unit. Polarization-sensitive OCT (PS-OCT) data were visualized by a differential Stokes-based processing and the derived local retardation. The left and right ears of a healthy volunteer were examined. Distinct retardation signals in the annulus region of the TM and near the umbo revealed the layered structure of the TM. Due to the TM's conical shape and orientation in the ear canal, high incident angles onto the TM's surface, and low thicknesses compared to the axial resolution limit of the system, other regions of the TM were more difficult to evaluate. The use of endoscopic PS-OCT is feasible to differentiate birefringent and nonbirefringent tissue of the human TM
Identifiants
pubmed: 37007626
doi: 10.1117/1.JBO.28.12.121203
pii: 220299SSR
pmc: PMC10050973
doi:
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
121203Subventions
Organisme : NIBIB NIH HHS
ID : P41 EB015903
Pays : United States
Informations de copyright
© 2023 The Authors.
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