Results 211 to 220 of about 1,519,346 (384)

Selective Color Appearance of Liquid‐Crystal‐Aided Laser‐Induced Periodic Surface Structures

open access: yesAdvanced Optical Materials, EarlyView.
Self‐assembled nano trenches on transparent electrodes are produced by irradiating femtosecond laser, and then combined with liquid crystal, showing brilliant selective color, which is electronically switchable. The nano trenches diffract light, and those totally internally reflected light propagates in the liquid crystal cell.
Jia‐Pei Hsieh   +10 more
wiley   +1 more source

Simultaneous Perfect Anomalous Reflection and Angle of Arrival Sensing in Reconfigurable Intelligent Surfaces

open access: yesAdvanced Optical Materials, EarlyView.
A reconfigurable intelligent surface is proposed that can simultaneously anomalously reflect the light and sense the angle of arrival. An in situ optimization of either the currents flowing on array elements or the far field in the receiver direction realizes anomalous reflection and suppresses parasitic scattering.
Mostafa Movahediqomi   +4 more
wiley   +1 more source

Electromagnetic Interference Shielding Characteristics of Sn-Al Powder Coating Layers

open access: bronze, 2008
Fei-Shuo Hung   +3 more
openalex   +2 more sources

Predictive Design to Determine Optimal Absorber Placement in Colloidal Photonic Crystals

open access: yesAdvanced Optical Materials, EarlyView.
The inclusion of absorbing material is known to increase color saturation in photonic crystals. Predictive design based on mathematical structure optimization is used to identify optimal designs for the absorber amount and position within a photonic colloidal crystal and experimentally realized. This strategy shows that the placement of the absorber at
Gudrun Bleyer   +5 more
wiley   +1 more source

CHARACTERIZATION OF THE COHERENT NOISE, ELECTROMAGNETIC COMPATIBILITY AND ELECTROMAGNETIC INTERFERENCE OF THE ATLAS EM CALORIMETER FRONT END BOARD

open access: green, 2000
R L CHASE   +9 more
openalex   +1 more source

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