Results 221 to 230 of about 953,820 (321)

SURGICAL SHOCK. [PDF]

open access: green, 1897
Fenton B. Turck
openalex   +1 more source

High Fidelity Waveguides Through Vitreous Media Recomposition for Next Generation Photonic Devices

open access: yesAdvanced Optical Materials, EarlyView.
A newly designed aluminosilicate glass enables the fabrication of femtosecond laser‐written optical waveguides with ultra‐low propagation losses of −0.020 dB cm−1 at 1310 nm and −0.037 dB cm−1 at 1550 nm. Raman, Brillouin, and electron microscopy analyses reveal the mechanisms behind refractive index modifications, highlighting the role of glass ...
T Toney Fernandez   +9 more
wiley   +1 more source

Cholesterol depletion suppresses thermal necrosis resistance by alleviating an increase in membrane fluidity. [PDF]

open access: yesSci Rep
Kanamori T   +11 more
europepmc   +1 more source

Effect of Core Geometry on Frequency Correlations and Channel Capacity of a Multimode Optical Fiber

open access: yesAdvanced Photonics Research, EarlyView.
Structured wavefronts focused at the output of multimode fibers reveal a distinct spatial dependence of frequency correlation bandwidth between circular and rectangular cores. Unlike conventional circular‐core fibers, rectangular‐core fibers maintain uniform bandwidth across all transverse locations, enabling over a 20% increase in channel capacity for
Henry C. Hammer, Ravitej Uppu
wiley   +1 more source

Research Progress on Atmospheric Turbulence Perception and Correction Based on Adaptive Optics and Deep Learning

open access: yesAdvanced Photonics Research, EarlyView.
This work presents a systematic review of atmospheric turbulence fundamentals, including theoretical formulations and adaptive optics‐based mitigation strategies. This includes an in‐depth examination of the devices, theories, and methodologies associated with traditional correction approaches.
Qinghui Liu   +5 more
wiley   +1 more source

Design of Double‐Sided Optical Coatings for Space Cooling Through Vertical Windows

open access: yesAdvanced Photonics Research, EarlyView.
Dual‐sided radiative cooling glass (DSRCG) utilizes the optical properties of epsilon‐near‐zero materials and ITO to exhibit directional emission toward the outdoor space, facilitating the heat dissipation of the glass, while exhibiting low emission toward the enclosure.
Hyunkyu Kwak   +2 more
wiley   +1 more source

A case report of Achilles tendon distractive rupture after shock wave therapy. [PDF]

open access: yesJ Surg Case Rep
Argyropoulou E   +10 more
europepmc   +1 more source

Precision Construction of Chiral Optical Fields with Nine Controllable Degrees of Freedom

open access: yesAdvanced Photonics Research, EarlyView.
Chiral optical fields (COFs) offer multiple controllable degrees of freedom (DOFs), enabling applications in optical tweezers, manufacturing, and encryption. However, achieving precise sidelobe control remains a challenge. This work introduces a modular multilayer annular phase plate to fine‐tune COFs by manipulating nine DOFs.
Duo Deng   +4 more
wiley   +1 more source

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