Motorized capsule for shadow-free OCT imaging and synchronous beam control

Title

Motorized capsule for shadow-free OCT imaging and synchronous beam control

 Author

López-Marín, Antonio (Erasmus MC)
Springeling, Geert (Erasmus MC)
Beurskens, Robert (Erasmus MC)
van Beusekom, Heleen (Erasmus MC)
van der Steen, A.F.W. (TU Delft ImPhys/Acoustical Wavefield Imaging; Erasmus MC; Chinese Academy of Sciences)
Koch, Arjun D. (Erasmus MC)
Bouma, Brett E. (Harvard Medical School)
Huber, Robert (University of Lübeck)
Soest, Gijs V.A.N. (Erasmus MC)
Wang, Tianshi (Erasmus MC)

Date

2019

 Abstract

We demonstrate a tethered motorized capsule for unobstructed optical coherence tomography (OCT) imaging of the esophagus. By using a distal reflector design, we avoided the common shadow artifact induced by the motor wires. A synchronous driving technique features three types of beam-scanning modes of the capsule, i.e., circumferential beam scanning, localized beam scanning, and accurate beam positioning. We characterized these three modes and carried out ex vivo imaging experiments using the capsule. The results show that the capsule can potentially be a useful tool for diagnostic OCT imaging and OCT-guided biopsy and therapy of the esophagus.


 To reference this document use:

http://resolver.tudelft.nl/uuid:9414753f-1de7-4097-b945-c96738eabce5

 DOI

https://doi.org/10.1364/OL.44.003641

 ISSN

0146-9592

 Source

Optics Letters, 44 (15), 3641-3644

 Part of collection

Institutional Repository

 Document type

journal article

 Rights

© 2019 Antonio López-Marín, Geert Springeling, Robert Beurskens, Heleen van Beusekom, A.F.W. van der Steen, Arjun D. Koch, Brett E. Bouma, Robert Huber, Gijs V.A.N. Soest, Tianshi Wang
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