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Micromachines
Special Issues
Optical Coherence Tomography (OCT) Technique and Its Applications
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Optical Coherence Tomography (OCT) Technique and Its Applications

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "D：Materials and Processing".

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 812

Special Issue Editor

Dr. Shaohua Pi

E-Mail Website
Guest Editor
Department of Ophthalmology, University of Pittsburgh, Pittsburgh, PA 15213, USA
Interests: optical coherence tomography; ophthalmic imaging

Special Issue Information

Dear Colleagues,

Optical coherence tomography (OCT) has become an indispensable tool with the capability of offering in vivo, non-invasive, micron-resolution, dye-free, and 3D imaging. It has now been widely used in clinics and research to image living animals and humans. OCT works as a Michelson Interferometer where the light backscattered from biological tissue interferes with the light traveling in the reference arm. For time-domain OCT (TD-OCT), the reference mirror moves periodically to scan along the axial direction. For Fourier-domain OCT (FD-OCT), the interference is captured either by a spectrometer in spectral-domain OCT (SD-OCT) or by a photodetector in a swept-source OCT (SS-OCT). The emerging extensions of OCT include OCT angiography (OCTA), polarization-sensitive OCT (PS-OCT), Doppler OCT, full-field OCT (FF-OCT), and OCT oximetry. These technologies hold great potential in ophthalmology, dermatology, neuroscience, and other fields. Accordingly, this Special Issue seeks to showcase research papers, communications, and review articles that focus on novel methodological developments and bioengineering applications of OCT.

We look forward to receiving your submissions.

Dr. Shaohua Pi
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Micromachines is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • biopsy
  • biomedical applications
  • optical coherence tomography
  • optical imaging
  • eye
  • brain
  • skin

Published Papers (1 paper)

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Review

24 pages, 8543 KiB  
Review
Growing Trend to Adopt Speckle Variance Optical Coherence Tomography for Biological Tissue Assessments in Pre-Clinical Applications
by Ruchire Eranga Wijesinghe, Nipun Shantha Kahatapitiya, Changho Lee, Sangyeob Han, Shinheon Kim, Sm Abu Saleah, Daewoon Seong, Bhagya Nathali Silva, Udaya Wijenayake, Naresh Kumar Ravichandran, Mansik Jeon and Jeehyun Kim
Micromachines 2024, 15(5), 564; https://doi.org/10.3390/mi15050564 - 25 Apr 2024
Viewed by 193
Abstract
Speckle patterns are a generic feature in coherent imaging techniques like optical coherence tomography (OCT). Although speckles are granular like noise texture, which degrades the image, they carry information that can be benefited by processing and thereby furnishing crucial information of sample structures, [...] Read more.
Speckle patterns are a generic feature in coherent imaging techniques like optical coherence tomography (OCT). Although speckles are granular like noise texture, which degrades the image, they carry information that can be benefited by processing and thereby furnishing crucial information of sample structures, which can serve to provide significant important structural details of samples in in vivo longitudinal pre-clinical monitoring and assessments. Since the motions of tissue molecules are indicated through speckle patterns, speckle variance OCT (SV-OCT) can be well-utilized for quantitative assessments of speckle variance (SV) in biological tissues. SV-OCT has been acknowledged as a promising method for mapping microvasculature in transverse-directional blood vessels with high resolution in micrometers in both the transverse and depth directions. The fundamental scope of this article reviews the state-of-the-art and clinical benefits of SV-OCT to assess biological tissues for pre-clinical applications. In particular, focus on precise quantifications of in vivo vascular response, therapy assessments, and real-time temporal vascular effects of SV-OCT are primarily emphasized. Finally, SV-OCT-incorporating pre-clinical techniques with high potential are presented for future biomedical applications. Full article
(This article belongs to the Special Issue Optical Coherence Tomography (OCT) Technique and Its Applications)
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