Search results for metamaterial

Nanophysics Oct 14, 2022

Creating stronger and more ductile microlattice materials with reduced unit sizes

Projection micro stereolithography (PμSL) has emerged as a powerful three-dimensional (3D) printing technique for manufacturing polymer structures with micron-scale high resolution at high printing speed, which enables the ...

Optics & Photonics Oct 3, 2022

Optical biosensing through a toy microscope over a surface 'rainbow' chip

The global spread of COVID-19 has highlighted the importance of rapid, accurate, and easy sensing of viruses and diseases. Recently, researchers have been exploring on-chip sensing technologies to tackle these emerging challenges. ...

Nanophysics Sep 27, 2022

Team develops a powerful Bragg reflector with ultrahigh refractive index metamaterial

We all look in the mirror at least once a day to see our reflection. Mirrors are used not only in daily life but also in cutting-edge technologies such as semiconductor processing and high-resolution displays. Recently, a ...

Optics & Photonics Sep 13, 2022

Smooth, versatile on-chip light manipulation is now possible with supersymmetry

Transformation optics has formulated a versatile framework to mold the flow of light and tailor its spatial characteristics at will. The coordinate transformation often yields extreme material parameters unfeasible even with ...

Optics & Photonics Sep 12, 2022

Spatiotemporal manipulation of femtosecond light pulses for on-chip devices

A new publication from Opto-Electronic Advances discusses spatiotemporal manipulation of femtosecond light pulses for on-chip devices.

Nanophysics Sep 8, 2022

Physicists invent intelligent quantum sensor of light waves

University of Texas at Dallas physicists and their collaborators at Yale University have demonstrated an atomically thin, intelligent quantum sensor that can simultaneously detect all the fundamental properties of an incoming ...

Polymers Sep 7, 2022

Research team discovers how to convert 3D-printed polymer to stronger, ductile hybrid carbon microlattice material

Developing a lightweight material that is both strong and highly ductile has been regarded as a long-desired goal in the field of structural materials, but these properties are generally mutually exclusive. However, researchers ...

Quantum Physics Aug 31, 2022

Engineering atomic antennas for quantum sensing

Jennifer Choy makes atom-size antennas. They bear no resemblance to the telescoping rod that transmits pop hits through a portable stereo. But functionally, they're similar. They're quantum sensors, picking up tiny electromagnetic ...

Optics & Photonics Aug 26, 2022

Dispersion coding of ENZ media via multiple photonic dopants

Media with small permittivity, i.e., the epsilon-near-zero (ENZ) media, have drawn a great deal of attention from the fields of physics, materials science, and engineering. The wavelength in ENZ medium is in principle infinitely ...

General Physics Aug 23, 2022

Researchers unfold elegant equations to explain the enigma of expanding origami

Most materials—from rubber bands to steel beams—thin out as they are stretched, but engineers can use origami's interlocking ridges and precise folds to reverse this tendency and build devices that grow wider as they ...

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