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Optics & Photonics news

The quantum sniffer dog

As humans, we sniff out different scents and aromas using chemical receptors in our noses. In technological gas detection, however, there are a whole host of other methods available. One such method is to use infrared lasers, ...

dateOct 24, 2016 in Optics & Photonics
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UV light improves smartphone cameras

Photodetectors, which are used in a wide range of systems and devices from smartphones to space stations, are typically only sensitive to light within a certain narrow bandwidth. This presents numerous challenges to product ...

dateOct 24, 2016 in Optics & Photonics
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Physicists dispel Rayleigh's curse

The resolution of an optical system (like a telescope or a camera) is limited by the so-called Rayleigh criterion. An international team, led by Complutense University of Madrid, has broken this limit, showing that it is ...

dateOct 14, 2016 in Optics & Photonics
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Teleporting toward a quantum Internet

Quantum physics is a field that appears to give scientists superpowers. Those who understand the world of extremely small or cold particles can perform amazing feats with them—including teleportation—that appear to bend ...

dateOct 14, 2016 in Optics & Photonics
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Noise-canceling optics

Engineers at Caltech have created the visual analogue of noise-canceling headphones—a camera system that can obtain images of objects obscured by murky media, such as fog or clouds, by canceling out the glare.

dateOct 11, 2016 in Optics & Photonics
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Quantum research race lights up the world

The race towards quantum computing is heating up. Faster, brighter, more exacting – these are all terms that could be applied as much to the actual science as to the research effort going on in labs around the globe.

Physicists develop a more sensitive microscope

Anyone who has taken a photo in a poorly lit restaurant or dim concert venue knows all too well the grainy, fuzzy outcomes of low-light imaging. Scientists trying to take images of biological specimens encounter the same ...

Photons do the twist, and scientists can now measure it

Researchers in the University of Minnesota's College of Science and Engineering have measured the twisting force, or torque, generated by light on a silicon chip. Their work holds promise for applications such as miniaturized ...

Affordable detectors for gamma radiation

A research team at Empa and ETH Zurich has developed single crystals made of lead halide perovskites, which are able to gage radioactive radiation with high precision. Initial experiments have shown that these crystals, which ...

Researchers make better sense of incoherent light

One of the differences between lasers and desk lamps is that laser light is spatially coherent, meaning the peaks and valleys of the light waves are correlated with each other. The jumbled, uncorrelated waves coming from ...

Improved microendoscope brings cervical cancer into focus

Rice University researchers have added a clever spin—a rotating grating that removes out-of-focus light—to a cutting-edge, minimally invasive fiber-optic microscope that lets oncologists and surgeons zoom in on cancer ...

Novel light sources made of 2-D materials
How planets like Jupiter form
Changing semiconductor properties at room temperature
Science: Public interest high, literacy stable
Gaia spies two temporarily magnified stars
Computer model is 'crystal ball' for E. coli bacteria
Shocks in the early universe could be detectable today
Experts uncover hidden layers of Jesus' tomb site
Bubble nucleus discovered
NASA missions harvest a passel of 'pumpkin' stars
Ten months in the air without landing

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