Results 51 to 60 of about 98,832 (287)

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

Phase-inverted sidelobe-annihilated optical coherence tomography to break through the temporal diffraction limit [PDF]

open access: yes, 2015
Understand the tomography system as a temporal microscopy by space-time duality, a simple adjustment was performed on a conventional swept-source optical coherence tomography (SS-OCT), and achieved sharper resolution (~4 μm) for the single layer ...
Wong, KKY, Zhang, C
core   +1 more source

Biofilm‐Antagonist Ginger‐Based 3D‐Printable Photoresins for Complex Implant Designs Exhibiting Advanced Multifunctional Biomedical Applications

open access: yesAdvanced Materials, EarlyView.
This work offers unique Ginger‐based 3D‐printable resins that can print customizable high‐resolution complex designs. The customizable printing backbone of Zingerol prints also mimics various human bones' strength. Acquisition of in‐vivo biocompatibility in rat model with no severe inflammatory response, along with in‐vitro antioxidant and ex‐vivo anti‐
Simran Jindal   +9 more
wiley   +1 more source

Scheimpflug Camera and Swept-Source Optical Coherence Tomography in Pachymetry Evaluation of Diabetic Patients

open access: yesJournal of Ophthalmology, 2019
Aim. The comparative analysis of the central and peripheral corneal thicknesses using two different imaging systems: Scheimpflug camera and swept-source OCT was performed to investigate the differences in corneal thickness analysis in diabetic patients ...
Katarzyna Krysik   +4 more
doaj   +1 more source

Instantaneous complex spectral domain OCT using 3x3 fiber couplers [PDF]

open access: yes, 2004
We report that the complex conjugate ambiguity in spectral domain OCT approaches (including swept source OCT and Fourier-domain OCT) may be removed by the use of novel interferometer designs based on NxN couplers.
Choma, Michael A.   +3 more
core  

Optical coherence tomography angiography of optic nerve head and parafovea in multiple sclerosis [PDF]

open access: yes, 2014
Aims To investigate swept-source optical coherence tomography (OCT) angiography in the optic nerve head (ONH) and parafoveal regions in patients with multiple sclerosis (MS).
Baumann, Bernhard   +9 more
core   +1 more source

Beyond Earth: Resilience of Quasi‐2D Perovskite Solar Cells in Space

open access: yesAdvanced Materials, EarlyView.
In the article (DOI: 10.1002/adma.202520433), Christoph Putz and co‐workers demonstrate rigid quasi‐2D perovskite solar cells operating in low Earth orbit, delivering stable power for more than 100 days under real‐space conditions. In‐orbit performance is correlated with extensive ground‐based thermal and proton‐irradiation studies on rigid and ...
Christoph Putz   +17 more
wiley   +1 more source

Parafoveal Retinal Vascular Response to Pattern Visual Stimulation Assessed with OCT Angiography [PDF]

open access: yes, 2013
We used optical coherence tomography (OCT) angiography with a high-speed swept-source OCT system to investigate retinal blood flow changes induced by visual stimulation with a reversing checkerboard pattern.
Choi, Woo Jhon   +7 more
core   +5 more sources

MEMS tunable VCSEL light source for ultrahigh speed 60kHz - 1MHz axial scan rate and long range centimeter class OCT imaging [PDF]

open access: yes, 2012
This paper demonstrates new wavelength swept light source technology, MEMS tunable VCSELs, for OCT imaging. The VCSEL achieves a combination of ultrahigh sweep speeds, wide spectral tuning range, flexibility in sweep trajectory, and extremely long ...
Cable, Alex E.   +5 more
core   +1 more source

Multimodal Optical Imaging and Modulation with Simultaneous Electrophysiology Through Smart Dura in Non‐Human Primates

open access: yesAdvanced Science, EarlyView.
This study demonstrates multimodal integration in non‐human primates, combining large‐scale, high‐density electrophysiology using Smart Dura with optical techniques such as multiphoton imaging (MPI), photothrombotic lesioning, optical coherence tomography angiography (OCTA), wide‐field intrinsic signal optical imaging (ISOI), and optogenetics.
Nari Hong   +10 more
wiley   +1 more source

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