Results 151 to 160 of about 4,182 (258)

Spatiospectral Photoacoustic Microscopy With Gain‐Switched Ti:Sapphire Laser for High‐Accuracy Molecular Dynamics Imaging

open access: yesLaser &Photonics Reviews, EarlyView.
Spatiospectral photoacoustic microscopy is enabled by stable, wavelength‐tunable dual‐pulse excitation from a gain‐switched Ti:sapphire laser. Intrinsically synchronized 532‐nm and NIR‐I pulses provide single‐scan, co‐registered mapping of oxygen saturation and indocyanine green dynamics in vivo.
Yong‐Jae Lee   +8 more
wiley   +1 more source

Parallel Vector Processing in Optical Computing With Jacobi Time‐Wave Packets

open access: yesLaser &Photonics Reviews, EarlyView.
Functionality of a single neuron and state of the art photonic acceleration with a Mach‐Zehnder‐interferometer (MZI) mesh (i), a crossbar array (ii) and a micro ring resonator (MRR) array (iii). In the proposed Jacobi time‐wave packet approach (iv) a single modulator (here a ring modulator) is performing the whole scalar vector product in a single ...
Janosch Meier   +5 more
wiley   +1 more source

Asymmetric magma plumbing system beneath Axial Seamount based on full waveform inversion of seismic data. [PDF]

open access: yesNat Commun
Yang J   +8 more
europepmc   +1 more source

Tunable, High Pulse Energy and Narrow Linewidth Gas‐Filled Fiber Laser Across Near‐ and Mid‐Infrared

open access: yesLaser &Photonics Reviews, EarlyView.
A cascaded gas‐filled anti‐resonant hollow‐core fiber architecture enables broadly tunable infrared Raman lasers spanning ∼1.4–4.6 µm while maintaining microjoule‐level pulse energies and gigahertz‐level linewidths. The approach combines a wavelength‐tunable pump laser with optimized Raman frequency conversion, providing a compact route to high ...
Yazhou Wang   +11 more
wiley   +1 more source

Exteroceptive Reflexes in Stiff Person Syndrome, Other Neurological Conditions and Healthy Controls

open access: yesMovement Disorders Clinical Practice, EarlyView.
Abstract Background Stiff person syndrome (SPS) is a rare disabling neurological condition with overlapping symptomatology with more common neurological conditions. Exaggerated exteroceptive reflex mechanisms are thought to play a role in its pathophysiology.
Belinda Cruse   +8 more
wiley   +1 more source

Learned Full Waveform Inversion Incorporating Task Information for Ultrasound Computed Tomography. [PDF]

open access: yesIEEE Trans Comput Imaging
Lozenski L   +6 more
europepmc   +1 more source

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