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Optics & Photonics news

A mirror with a peephole

When light shines through air onto water, some of the light usually will be reflected back into the air. But at one specific angle, called the Brewster angle, all of the p-polarized light travels into the ...

Aug 13, 2014 4.5 / 5 (4) 0

New material puts a twist in light

Scientists at The Australian National University (ANU) have uncovered the secret to twisting light at will. It is the latest step in the development of photonics, the faster, more compact and less carbon-hungry ...

Jul 18, 2014 4.6 / 5 (35) 5

Laser physics upside down

At the Vienna University of Technology a system of coupled lasers has been created which exhibits truly paradoxical behaviour: An increase in energy supply switches the lasers off, reducing the energy can ...

Jul 15, 2014 4.8 / 5 (4) 1

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Hollow optical fibers for UV light

(Physikalisch-Technische Bundesanstalt (PTB)) Researchers from the Max Planck Institute for the Science of Light in Erlangen/Germany and of the QUEST Institute, based at the Physikalisch-Technische Bundesanstalt, ...

Absorption straightens the drunken stagger of light

(Phys.org) —In a study partly funded by the FOM Foundation, physicists from the University of Twente and Yale University have discovered that light travelling through an opaque material follows a straighter ...

Jurassic Welsh mammals were picky eaters, study finds

What I learned from debating science with trolls

New metamaterial gives light a one-way ticket

The light-warping structures known as metamaterials have a new trick in their ever-expanding repertoire. Researchers at the National Institute of Standards and Technology (NIST) have built a silver, glass ...

Twisting the light away using ultrasmall holes

A new study shows that light transmitted through apertures smaller than the wavelength of light go through a radical change, splitting into two symmetrical counter-rotating polarisations.

A better imager for identifying tumors

Before they excise a tumor, surgeons need to determine exactly where the cancerous cells lie. Now, research published today in The Optical Society's (OSA) journal Optics Letters details a new technique that c ...

Swirling electrons in the whirlpool galaxy

Here's how you find out who shot down MH17

HP sales inch up while profit drops

Myo armband and smartglasses set for deskless workplace

Making smartphones smarter with see-through sensors

(Phys.org)—Your smartphone's display glass could soon be more than just a pretty face, thanks to new technology developed by researchers from Montreal and the New York-based company Corning Incorporated. ...

'Smart glass' micro-iris for smartphone cameras

A small, low-powered camera component made from a "smart glass" material has been created by a group of researchers in Germany with the hope of inspiring the next generation of smartphone cameras.

Strange physics turns off laser

Inspired by anomalies that arise in certain mathematical equations, researchers have demonstrated a laser system that paradoxically turns off when more power is added rather than becoming continuously brighter.

Team develops unique greenhouse gas meter

Laboratory for the Spectroscopy of Planetary Atmospheres of Moscow Institute of Physics and Technology has come up with a high-resolution meter to gauge the concentration of gases in the atmosphere with unparalleled ...

A spectacular landscape of star formation

Giant tablets aimed at families

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