A research team in South Korea has developed a technology that can manipulate a polarized light in broadband operation with the use of a metamaterial.
Optics & Photonics
Dec 4, 2014
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(Phys.org) —As hands come in left and right versions that are mirror images of each other, so do the amino acids and sugars within us. But unlike hands, only the left-oriented amino acids and the right-oriented sugars ever ...
Nanomaterials
Nov 19, 2014
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We are all made of dust. Dust particles can be found everywhere in space. Disks of dust and debris swirl around and condense to form stars, planets and smaller objects like comets, asteroids and dwarf planets. But what can ...
Astronomy
Sep 25, 2014
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We have all seen a peacock show its extravagant, colorful tail feathers in courtship of a peahen. Now, a group of researchers have used a special camera developed by an engineer at Washington University in St. Louis to discover ...
Plants & Animals
Sep 16, 2014
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(Phys.org) —A group of researchers at Macquarie University has shown that circular dichroism – a differential absorption of the circular polarization light – can be induced in mirror symmetric samples such as circular ...
Optics & Photonics
Sep 15, 2014
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As we all know, some optical devices can only work with a certain incident polarization direction. In this case, a polarizer is necessary to shift the polarization direction of linearly polarized light. A common polarizer ...
Optics & Photonics
Jul 17, 2014
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Light has some well-established dynamical properties that have defined our understanding of electromagnetic radiation for over a century. Two of the most fundamental of these properties are that photons of light carry momentum ...
Optics & Photonics
Apr 25, 2014
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Light waves can be defined by three fundamental characteristics: their color (or wavelength), polarization, and direction. While it has long been possible to selectively filter light according to its color or polarization, ...
Optics & Photonics
Mar 27, 2014
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By emitting photons from a quantum dot at the top of a micropyramid, researchers at Linköping University are creating a polarized light source for such things as energy-saving computer screens and wiretap-proof communications.
Nanophysics
Jan 31, 2014
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(Phys.org) —Two researchers from Queensland University in Australia have developed a way to describe polarizing objects in a way that can be visualized by the human eye. In their paper published in Proceedings of the Royal ...
