Results 91 to 100 of about 98,832 (287)

In Vivo Human Choroidal Vascular Pattern Visualization Using High-Speed Swept-Source Optical Coherence Tomography at 1060 nm [PDF]

open access: yes, 2012
Purpose. To investigate the retinal and choroidal vascular pattern, structure, and thickness using high-speed, high axial resolution, swept-source optical coherence tomography (SS-OCT) at 1060 nm, demonstrating enhanced penetration through all choroidal ...
Fraser, Scott E.   +2 more
core   +1 more source

Depolarization‐Based Multimodal Optical Imaging of Carious Lesions

open access: yesJournal of Biophotonics, EarlyView.
Occlusal caries is visualized using non‐ionizing imaging techniques, including polarization‐sensitive OCT (PS‐OCT). The image collection captures different stages of lesion development and supports the interpretation of optical signals by comparison with histology.
Julia Grundmann   +7 more
wiley   +1 more source

Handheld forward-imaging needle endoscope for ophthalmic optical coherence tomography inspection [PDF]

open access: yes, 2008
We report the narrowest to-date (21 gauge, 820-µm-diam) handheld forward-imaging optical coherence tomography (OCT) needle endoscope and demonstrate its feasibility for ophthalmic OCT inspection.
Han, Shuo   +4 more
core   +1 more source

3D Surface Profiling via Direct End‐to‐End Regression With a Photonic Geometric Sensor

open access: yesLaser &Photonics Reviews, EarlyView.
Measurements of microscale surface patterns are essential for quality control across semiconductor and biomedical industries, yet the development of miniaturized, intelligent systems remains constrained by the complexity and bulkiness of conventional benchtop metrology.
Ziyao Zhang   +13 more
wiley   +1 more source

High-precision, high-accuracy ultralong-range swept-source optical coherence tomography using vertical cavity surface emitting laser light source [PDF]

open access: yes, 2013
We demonstrate ultralong-range swept-source optical coherence tomography (OCT) imaging using vertical cavity surface emitting laser technology.
Alex E. Cable   +13 more
core   +2 more sources

ANTERION Swept-Source OCT Biometer

open access: yes
Abstract This chapter is a full description and analysis of the technology behind the Heidelberg ANTERION SS-OCT optical biometer. It includes a complete description of how it works for biometry measurements including demonstrations of high-resolution scans that can be obtained and their clinical applications such as for phakic IOL ...
Jana Schröpfer   +4 more
openaire   +1 more source

Optical Coherence Tomography for High‐Precision Industrial Inspection in Industry 4.0: Advances, Challenges, and Future Trends

open access: yesLaser &Photonics Reviews, EarlyView.
This review examines how optical coherence tomography transforms industrial inspection by delivering real‐time, micrometer‐resolution, depth‐resolved imaging. It surveys applications across display manufacturing, thin films, microelectronics, laser processing, and coatings, evaluates performance against conventional techniques, and highlights emerging ...
Nipun Shantha Kahatapitiya   +7 more
wiley   +1 more source

Repeatability, reproducibility, and agreement regarding measurement of choroidal vascularity index between OCT and OCT angiography [PDF]

open access: yesInternational Journal of Ophthalmology
AIM: To explore the repeatability, reproducibility, and agreement in the measurement of the choroidal vascularity index (CVI) for different swept-source optical coherence tomography (OCT) devices and between OCT and OCT angiography (OCTA) images. METHODS:
Mu-Han Zhong   +7 more
doaj   +1 more source

Dual-Band Time-Multiplexing Swept-Source OCT based on Optical Parametric Amplification [PDF]

open access: yes, 2012
published_or_final_versio
Aaron C. Chan   +7 more
core   +1 more source

Polyelectromyography Under Propofol to Differentiate Functional from Idiopathic Dystonia: A Pilot Study

open access: yesMovement Disorders, EarlyView.
Abstract Background Functional dystonia (FD) is one of the most diagnostically challenging functional movement disorders. Phenomenological features often lack specificity, as many are also observed in idiopathic dystonia (ID) and validated biomarkers to distinguish FD from ID are currently unavailable Objective To investigate potential differences in ...
Roberto Eleopra   +17 more
wiley   +1 more source

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