Results 111 to 120 of about 387,781 (388)

The use of optical coherence tomography in the assessment of diabetic retinopathy and maculopathy [PDF]

open access: yes, 2014
This review was performed to assess the use of optical coherence tomography in diabetic retinopathy and maculopathy and its application in the diagnosis and management of these conditions.
Chan, CWN   +7 more
core  

Quantum optical coherence tomography with dispersion cancellation

open access: yes, 2001
We propose a new technique, called quantum optical coherence tomography (QOCT), for carrying out tomographic measurements with dispersion-cancelled resolution.
A. Zeilinger   +27 more
core   +1 more source

Design and characterization of SiON integrated optics components for optical coherence tomography [PDF]

open access: yes, 2009
Optical coherence tomography (OCT) is a technique for high resolution imaging of biological tissues with a depth range of a few millimeters. OCT is based on interferometry to enable depth ranging.
Driessen, A.   +7 more
core   +2 more sources

Optical coherence tomography and Doppler optical coherence tomography in the gastrointestinal tract

open access: yesWorld Journal of Gastroenterology, 2011
Optical coherence tomography (OCT) is a noninvasive, high-resolution, high-potential imaging method that has recently been introduced into medical investigations. A growing number of studies have used this technique in the field of gastroenterology in order to assist classical analyses. Lately, 3D-imaging and Doppler capabilities have been developed in
Adrian Saftoiu   +4 more
openaire   +3 more sources

CeO2 Nanostructures Prepared by Selective Water‐Soluble Sr3Al2O6(SAO)‐CeO2 Vertically Aligned Nanocomposite

open access: yesAdvanced Engineering Materials, EarlyView.
Highly textured CeO2 nanowires and nanoporous thin films are successfully synthesized by water dissolution of Sr3Al2O6 (SAO) from the SAO:CeO2 vertically aligned nanocomposites (VANs). The morphology of CeO2 can be varied by VAN composition. It demonstrates a new method for synthesizing nanostructured CeO2 without chemical etching or complex micro ...
Benson Kunhung Tsai   +8 more
wiley   +1 more source

A review of some recent developments in polarization-sensitive optical imaging techniques for the study of articular cartilage [PDF]

open access: yes, 2009
This article reviews recent developments in the optical imaging of articular cartilage using polarized-light methods, with an emphasis on tools that could be of use in tissue engineering approaches to treatment. Both second-harmonic generation microscopy
Matcher, S.J
core   +1 more source

Investigation of Iron‐Aluminide‐Like Phase Composition in Complex Concentrated Fe32Cu12Ni11Ti16Al29 Alloy

open access: yesAdvanced Engineering Materials, EarlyView.
This work reveals the phase composition and quantitative morphology analysis of precipitation‐hardened Fe32Cu12Ni11Ti16Al29 complex‐concentrated alloy. The precipitates are shown to have a high coherency. Morphology transition between sphere, cuboidal, and elongated morphology is observed. Finally, the overaging behavior is captured using microhardness.
Rostyslav Nizinkovskyi   +4 more
wiley   +1 more source

Arterial macroaneurysm of the optic disc

open access: yesAmerican Journal of Ophthalmology Case Reports, 2018
Purpose: We present fundus and spectral domain optical coherence tomography findings of a patient with an arterial macroaneurysm of the optic disc. Observations: An 87-year-old woman presented with blurry vision and was found to have a retinal arterial ...
Cem Ozgonul, Cagri Giray Besirli
doaj  

Association of Retinal Neurodegeneration on Optical Coherence Tomography With Dementia: A Population-Based Study

open access: yesJAMA Neurology, 2018
Importance Retinal structures may serve as a biomarker for dementia, but longitudinal studies examining this link are lacking. Objective To investigate the association of inner retinal layer thickness with prevalent and incident dementia in a general ...
U. Mutlu   +10 more
semanticscholar   +1 more source

Optical Coherence Tomography for Examination of Parchment Degradation [PDF]

open access: yes, 2006
A novel application of Optical Coherence Tomography utilizing infrared light of 830 nm central wavelength for non invasive examination of the structure of parchment, some covered with iron gall ink, is presented.
Bajraszewski, T   +7 more
core   +1 more source

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