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10 Current news about the topic optical sensors

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Tiny chip-based methane spectrometer could help reduce greenhouse gas emissions

30-Oct-2017

The process of extracting natural gas from the earth or transporting it through pipelines can release methane into the atmosphere. Methane, the primary component of natural gas, is a greenhouse gas with a warming potential approximately 25 times larger than carbon dioxide, making it very ...

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Organic photodiodes – more economical detectors for the NIR region

07-Sep-2017

The Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology FEP will be introducing a new generation of organic photodiodes on silicon substrates (OPD-on-silicon) during the SEMI European Imaging & Sensors Summit 2017. Optical sensors are pervasive. Domestic life as well ...

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New technology taps power of diatoms to dramatically improve sensor performance

11-Nov-2016

Researchers at Oregon State University have combined one of nature's tiny miracles, the diatom, with a version of inkjet printing and optical sensing to create an exceptional sensing device that may be up to 10 million times more sensitive than some other commonly used approaches. A patent has ...

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Ringing in a new way to measure and modulate trapped light

24-Dec-2015

Researchers working at the National Institute of Standards and Technology (NIST) have developed a novel way to noninvasively measure and map how and where trapped light vibrates within microscale optical resonators. The new technique not only makes for more accurate measurements but also allows ...

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How to spawn an 'exceptional ring'

11-Sep-2015

The Dirac cone started as a concept in particle and high-energy physics and has recently became important in research in condensed matter physics and material science. It has since been found to describe aspects of graphene, a two dimensional form of carbon, suggesting the possibility of ...

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Switching superconductivity by light

16-Feb-2015

A research team led by Prof. Hiroshi M. Yamamoto of the Institute for Molecular Science, National Institutes of Natural Sciences has developed a novel superconducting transistor which can be switched reversibly between ON and OFF by light-irradiation. This achievement is a milestone for future ...

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Portable and precise gas sensor could monitor pollution and detect disease

22-Sep-2009

In the air, it is a serious pollutant. In the body, it plays a role in heart rate, blood flow, nerve signals and immune function. Nitric oxide, a gas well known to scientists for its myriad functions, has proven challenging to measure accurately outside the laboratory. A team of Princeton and ...

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'Edible optics' could make food safer

Tufts researchers design bio-friendly optical platform for sensing applications in medicine, health, environment, communications

11-Aug-2008

Imagine an edible optical sensor that could be placed in produce bags to detect harmful levels of bacteria and consumed right along with the veggies. Or an implantable device that would monitor glucose in your blood for a year, then dissolve. Scientists at Tufts University's School of ...

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Laser light produces complex nanostructures

30-May-2008

Researchers at Chalmers University of Technology in Sweden have reported that a single laser pulse can create complex, ordered nanostructure systems. This previously unobserved phenomenon has just beeen described in an article in the scientific journal Nature Photonics. "We have discovered a ...

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A quieter, safer world is taking shape thanks to developments in adaptronic materials

16-May-2003

The thin, slightly bent metallic thread lding looks like a piece of ordinary florist's wire. But you only have to touch it to realize that this wire is made of a very special material. The metal feels soft and warm, like a blend between a fishing line and a copper wire. Kautz holds the thread ...

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