Results 181 to 190 of about 2,830 (310)

Pre‐ and Post‐Interventional Hemodynamic Characterization of the Femoropopliteal Artery Using Vector Flow Imaging in Peripheral Arterial Occlusive Disease

open access: yesJournal of Ultrasound in Medicine, EarlyView.
Objectives The femoropopliteal (FP) artery is the most frequently revascularized segment in peripheral artery disease (PAD), followed by the iliac segment. Wall shear stress (WSS) is a key local factor implicated in both atherosclerotic plaque formation and restenosis after angioplasty.
Jan Lukas Prüser   +5 more
wiley   +1 more source

Chirality-driven all-optical image differentiation. [PDF]

open access: yesNanophotonics
Koufidis SF   +4 more
europepmc   +1 more source

Unravelling the Spatiotemporal Exciton Dynamics in Electrically Pumped Organic Laser Diodes

open access: yesLaser &Photonics Reviews, EarlyView.
High‐speed OLED measurements combined with advanced simulations reveal how singlet, triplet, and polaron dynamics drive key loss channels that hinder organic semiconductor lasing, while presenting strategies to overcome them. Abstract Organic materials offer wide‐band emission covering regions of the spectrum unachievable by conventional semiconductors.
Adam Bickerdike   +2 more
wiley   +1 more source

Revisiting thermoelectric transport properties through a band nonparabolicity factor. [PDF]

open access: yesNatl Sci Rev
Zhu J   +9 more
europepmc   +1 more source

Long‐Range Exciton Energy Transfer in Two‐Dimensional Materials

open access: yesLaser &Photonics Reviews, EarlyView.
This review highlights recent advances in long‐range exciton energy transfer within planar 2D‐material architectures. It emphasizes the emergence of self‐hybridized excitonpolaritons, exciton coupling to surface plasmon polaritons and plasmonic lattices, and the role of dipoledipole transfer pathways in enabling efficient nanoscale energy transport ...
Paul H. Bittorf   +8 more
wiley   +1 more source

Solitary and soliton solutions of the nonlinear fractional Chen Lee Liu model with beta derivative. [PDF]

open access: yesSci Rep
Hussain A   +5 more
europepmc   +1 more source

Time‐Stretched Interferometric LiDAR with Dispersive Wavenumber‐to‐Time Range Encoding

open access: yesLaser &Photonics Reviews, EarlyView.
We present a time‐stretched interferometric LiDAR that directly encodes distance into time‐domain interference signals. Operating at 5 MHz with only millimeter‐level coherence length, the system measures up to 12 m with centimeter precision and resolution, achieving high‐speed 3D imaging and dynamic target detection without FFT processing or long ...
Dahun Jung   +7 more
wiley   +1 more source

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