Optical coherence refraction tomography

KC Zhou, R Qian, S Degan, S Farsiu, JA Izatt - Nature photonics, 2019 - nature.com
Optical coherence tomography (OCT) is a cross-sectional, micrometre-scale imaging
modality with widespread clinical application. Typical OCT systems sacrifice lateral …

Comparative study of shear wave-based elastography techniques in optical coherence tomography

F Zvietcovich, JP Rolland, J Yao… - … of biomedical optics, 2017 - spiedigitallibrary.org
We compare five optical coherence elastography techniques able to estimate the shear
speed of waves generated by one and two sources of excitation. The first two techniques …

Computational 3D microscopy with optical coherence refraction tomography

KC Zhou, RP McNabb, R Qian, S Degan, AH Dhalla… - Optica, 2022 - opg.optica.org
Optical coherence tomography (OCT) has seen widespread success as an in vivo clinical
diagnostic 3D imaging modality, impacting areas including ophthalmology, cardiology, and …

Three-dimensional measurement of small inner surface profiles using feature-based 3-D panoramic registration

Y Gong, EJ Seibel - Optical Engineering, 2017 - spiedigitallibrary.org
Rapid development in the performance of sophisticated optical components, digital image
sensors, and computer abilities along with decreasing costs has enabled three-dimensional …

Evidence of spatially selective refractive index modification in 15GeSe2-45As2Se3-40PbSe glass ceramic through correlation of structure and optical property …

L Sisken, C Smith, A Buff, M Kang… - Optical Materials …, 2017 - opg.optica.org
Thermally-induced nucleation and growth of secondary crystalline phases in a parent glass
matrix results in the formation of a glass ceramic. Localized, spatial control of the number …

Point-cloud noncontact metrology of freeform optical surfaces

J Yao, A Anderson, JP Rolland - Optics Express, 2018 - opg.optica.org
In this paper, we demonstrate the development of a point-cloud metrology method for the
noncontact, high resolution, high precision testing of freeform surfaces. The method …

An approach to viscoelastic characterization of dispersive media by inversion of a general wave propagation model

F Zvietcovich, JP Rolland, KJ Parker - Journal of Innovative Optical …, 2017 - World Scientific
In the characterization of elastic properties of tissue using dynamic optical coherence
elastography, shear/surface waves are propagated and tracked in order to estimate speed …

Shear wave propagation in viscoelastic media: validation of an approximate forward model

F Zvietcovich, N Baddour, JP Rolland… - Physics in Medicine & …, 2019 - iopscience.iop.org
Many approaches to elastography incorporate shear waves; in some systems these are
produced by acoustic radiation force (ARF) push pulses. Understanding the shape and …

Crawling wave optical coherence elastography

P Meemon, J Yao, YJ Chu, F Zvietcovich, KJ Parker… - Optics letters, 2016 - opg.optica.org
Elastography is a technique that measures and maps the local elastic property of biological
tissues. Aiming for detection of micron-scale inclusions, various optical elastography …

Simultaneous estimation of thickness and refractive index of layered gradient refractive index optics using a hybrid confocal-scan swept-source optical coherence …

J Yao, J Huang, P Meemon, M Ponting, JP Rolland - Optics Express, 2015 - opg.optica.org
A hybrid confocal-scan swept-source optical coherence tomography metrology system was
conceived for simultaneous measurements of the refractive index and thickness profiles of …