Results 21 to 30 of about 446,709 (166)
Optical Coherence Spectro-Tomography by all-Optical Depth-Wavelength analysis [PDF]
arXiv, 2006 Current spectroscopic optical coherence tomography (OCT) methods rely on a posteriori numerical calculation. We present an alternative for accessing optically the spectroscopic information in OCT, i.e. without any post-processing, by using a grating based correlation and a wavelength demultiplexing system.
Couderc, Vincent +7 more
arxiv +4 more sources
Optical Coherence Tomography [PDF]
The Scientific World JOURNAL, 2007 Optical coherence tomography (OCT) is an optical imaging modality that performs high-resolution, cross-sectional, subsurface tomographic imaging of the microstructure of tissues. The physical principle of OCT is similar to that of B-mode ultrasound imaging, except that it uses infrared light waves rather than acoustic waves.
MANFRINI, OLIVIA +2 more
openaire +7 more sources
Ptychographic optical coherence tomography [PDF]
Optics Letters, 2021 Ptychography is a robust computational imaging technique that can reconstruct complex light fields beyond conventional hardware limits. However, for many wide-field computational imaging techniques, including ptychography, depth sectioning remains a challenge.
Mengqi Du +3 more
openaire +5 more sources
Optical coherence tomography in mild cognitive impairment – systematic review and meta-analysis [PDF]
, 2020 Thinning of retinal layers, measured using optical coherence tomography (OCT), is associated with some neurodegenerative disorders such as established Alzheimer’s disease and multiple sclerosis.
Almghairbi, Dalal +2 more
core +2 more sources
Optical Coherence Tomography [PDF]
Circulation, 2012 Case presentation : A 56-year-old man presented to the hospital with chest pain and a non–ST-segment elevation myocardial infarction. Thrombotic plaque rupture in the left anterior descending coronary artery was treated with an everolimus-eluting stent.
Kevin Croce, James M. McCabe
openaire +3 more sources
Evaluation of a cheap ultrasonic stage for light source coherence function measurement, optical coherence tomography and dynamic focusing [PDF]
, 2009 We evaluate the performance of a cheap ultrasonic stage in setups related to optical coherence tomography. The stage was used in several configurations: (1) optical delay line in an optical coherence tomography (OCT) setup; (2) as a delay line measuring ...
Andersen, Peter E. +7 more
core +5 more sources
Cross-Polarized Optical Coherence Tomography System with Unpolarized Light [PDF]
, 2022 Cross-polarized optical coherence tomography offers improved contrast for samples which can alter the polarization of light when it interacts with the sample. This property has been utilized to screen pathological conditions in several organs.
Hartl, G. +3 more
core +3 more sources
Characterization and modeling of the human left atrium using optical coherence tomography [PDF]
, 2019 With current needs to better understand the interaction between atrial tissue microstructure and atrial fibrillation dynamics, micrometer scale imaging with optical coherence tomography has significant potential to provide further insight on arrhythmia ...
Lye, Theresa Huang
core +2 more sources
Macular imaging with optical coherence tomography in glaucoma [PDF]
, 2020 With the advent of spectral-domain optical coherence tomography, imaging of the posterior segment of the eye can be carried out rapidly at multiple anatomical locations, including the optic nerve head, circumpapillary retinal nerve fiber layer, and ...
Caprioli, Joseph +7 more
core +1 more source
Polarization-resolved second-harmonic-generation optical coherence tomography in collagen [PDF]
, 2004 We describe a novel imaging technique, second-harmonic-generation optical coherence tomography (SHOCT). This technique combines the spatial resolution and depth penetration of optical coherence tomography (OCT) with the molecular sensitivity of second ...
Applegate, Brian E. +3 more
core +1 more source