Results 191 to 200 of about 212,491 (313)

Rapid Electro‐Thermal Micro‐Actuation of Flat Optics Enabled by Laser‐Induced Graphene on Colorless Polyimide Substrates

open access: yesAdvanced Optical Materials, EarlyView.
Laser‐induced graphene (LIG) on a colorless polyimide (CPI) substrate functions as both an electrical heater and a heat spreader, enabling rapid electro‐thermo‐optic actuation. The system achieves reflective beam scanning up to 2 kHz and diffractive beam steering with 0.5‐millidegree resolution and a 0.9 s response time, showcasing LIG‐CPI as a soft ...
Byunggi Kim   +5 more
wiley   +1 more source

Is refractive error a factor affecting scoliosis? [PDF]

open access: yesPLoS One
Cai J   +8 more
europepmc   +1 more source

Optical Second‐ and Third‐Order Nonlinearities in Plasma‐Enhanced Chemical Vapor Deposition‐Grown Silicon Oxides and Silicon Nitrides

open access: yesAdvanced Photonics Research, EarlyView.
Applying a static electric field EDC to plasma‐enhanced chemical vapor deposition‐grown nonstoichiometric silicon oxides and silicon nitrides creates a voltage‐controllable optical second‐order nonlinearity χquasi(2)$\chi_{\text{quasi}}^{\left(\right. 2 \left.\right)}$.
Laurids Wardenberg   +2 more
wiley   +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

A genome-wide scan of non-coding RNAs and enhancers for refractive error and myopia. [PDF]

open access: yesHum Genet
Tedja MS   +14 more
europepmc   +1 more source

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