Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 267 for “"optical coherence"”.
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Optical coherence tomography
Thesis (Ph. D.)--Massachusetts Institute of Technology, Whitaker College of Health Sciences and Technology, 1993.
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High resolution optical coherence microscopy
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2003.
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Analytical Modeling of Optical Coherence Tomography
Optical Coherence Tomography (OCT) has become an indispensable imaging modality in ophthalmology and dermatology, prized for its micrometer-level resolution, non-invasiveness, and significant penetration depth. Despite its precision in revealing skin morphology, standard OCT lacks the ability to …
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Optical coherence tomography for retinal diagnostics
Optical Coherence Tomography (OCT) is a non-invasive three-dimensional imaging technique. OCT synthesizes a cross-sectional image from a series of lateral adjacent depth scans, and with a two-dimensional scanning scheme, three-dimensional intensity image of sample can be constructed. Due to its …
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Intravascular Optical Coherence Tomography Image Analysis
… plaques inside the arteries. Intravascular Optical Coherence Tomography (IVOCT), a high resolution (10-20µm) imaging modality that performs cross-sectional imaging of coronary arteries by measuring echoes of backscattered light, is rapidly becoming a promising imaging modality for diagnosis …
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Optical Coherence Tomography for Dermatological Applications
Optical coherence tomography (OCT) is a non-invasive optical imaging technique providing approximately 10 micrometer resolution of tissue in vivo. Within ophthalmology, OCT has already proven its value and is routinely used for diagnosing retinal diseases. In many other areas the potential of OCT …
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New technologies for optical coherence microscopy
… suffer from unacceptable false negative rates. Optical imaging technology that provides real-time, high-resolution imaging of human tissue in vivo with resolution at or near that of histopathology may significantly improve clinicians' capabilities to identify malignancies at curable stages. The …
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Optical coherence tomography of the eye
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1997.
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Optical Coherence Sensors in Multimode Fibers
Optical fiber sensors are widely applied in modern sensing systems. Taking advantage of the high sensitivity of optical interference, optical coherence fiber sensors, such as fiber Bragg gratings (FBGs) and Fabry-Perot interferometers (FPIs), have been investigated intensively and utilized broadly …
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Optical coherence tomography: evaluation and clinical application
… cross-sectional images of retinal structure. Optical coherence tomography (OCT) is a new imaging technique which is capable of producing cross-sectional images of the retina with a resolution that surpasses that of conventional imaging techniques. This new technique has axial resolution of …
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Functional Spectral Domain Optical Coherence Tomography Imaging
<p>Spectral Domain Optical Coherence Tomography (SDOCT) is a high-speed, high resolution imaging modality capable of structural and functional resolution of tissue microstructure. SDOCT fills a niche between histology and ultrasound imaging, providing non-contact, non-invasive backscattering …
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Magnetomotive optical coherence elastography for biomedical applications
This thesis presents a new non-invasive optical method for assessing biomechanical properties of tissues and cells in real time and with micron scale resolution, magnetomotive optical coherence elastography (MM-OCE). Biomechanical properties are important because they relate to the tissues’ state …
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Catheter for endoscopic magnetomotive optical coherence tomography
… design is proposed for endoscopic magnetomotive optical coherence tomography (MM-OCT). Magnetomotive optical coherence tomography is a novel technique which uses targeted magnetic contrast agents for contrast enhancement of OCT imaging. In MM-OCT, microspheres and magnetic nanoparticles (MNPs) …
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Endovascular Optical Coherence Tomography Imaging in Cerebrovascular Disease
… innovation and device development. Endovascular optical coherence tomography (OCT) is the highest resolution intravascular imaging modality available, utilizing near-infrared light with a wavelength of approximately 1300 nm and excellent spatial resolution of 10µm is achievable. With near …
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System Design And Optimization Of Optical Coherence Tomography
Optical coherence imaging, including tomography (OCT) and microscopy (OCM), has been a growing research field in biomedical optical imaging in the last decade. In this imaging modality, a broadband light source, thus of short temporal coherence length, is used to perform imaging via interferometry. …
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Sensors and structured beams in optical coherence tomography
Optical coherence tomography (OCT) is an emerging medical imaging technique that provides images of various tissue structures at micrometer scale resolution. A swept source laser which emits time-varying wavelengths light at a high-speed was developed that greatly improves OCT processing speed and …
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OPTICAL COHERENCE TOMOGRAPHY FOR NEUROSURGEY AND CANCER RESEARCH
Optical Coherence Tomography (OCT) provides non-labeling, real-time and high resolution images, which has the potential to transform the paradigm of surgical guidance and preclinical animal studies. The design and development of OCT devices for neurosurgery guidance and novel imaging algorithms for …
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Shear Wave Elastography Based on Optical Coherence Tomography
… e.g. high-frequency ultrasound imaging and Optical Coherence Tomography (OCT). The quantitative elastography technique based on OCT, known as quantitative optical coherence elastography (OCE) is a new research field, promising high-resolution quantitative elastography information with …
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Spectroscopic Optical Coherence Tomography: Mechanisms, Methodology, and Applications
Depending on the contrast mechanism, the applications of SOCT imaging can be classified into two imaging modes: absorption-mode SOCT and scattering-mode SOCT. Absorption mode SOCT is concerned with mapping out the spectral absorption, while scattering mode SOCT is concerned with mapping out the …
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Elastography of coronary vessels using optical coherence tomography
Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2002.
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