News tagged with photodetector

Cloak of invisibility: Engineers use plasmonics to create an invisible photodetector

A team of engineers at Stanford and the University of Pennsylvania has for the first time used "plasmonic cloaking" to create a device that can see without being seen - an invisible machine that detects light. It is the first ...

Physics / General Physics

created May 21, 2012 | popularity 4.8 / 5 (17) | comments 7 | with audio podcast

Research group creates highly sensitive photodetector from graphene and quantum dots

(Phys.org) -- Researchers in Spain have succeeded in building a photodetector that is a billion times more sensitive than other such detectors based on graphene and could herald the use of graphene based light ...

Nanotechnology / Nanophysics

created May 15, 2012 | popularity 4.4 / 5 (7) | comments 3 | with audio podcast report

Graphene's 'quantum leap' takes electronics a step closer

(PhysOrg.com) -- Writing in the journal Nature Physics, the academics, who discovered the world's thinnest material at The University of Manchester in 2004, have revealed more about its electronic properties.

Nanotechnology / Nanomaterials

created Jul 24, 2011 | popularity 4.8 / 5 (18) | comments 2 | with audio podcast

Graphene's shining light could lead to super-fast Internet

Internet connection speeds could be tens of times faster than they currently are, thanks to research by University of Manchester scientists using wonder material graphene.

Nanotechnology / Nanomaterials

created Aug 30, 2011 | popularity 4.8 / 5 (19) | comments 12 | with audio podcast

Flexible LEDs for implanting under the skin

(PhysOrg.com) -- Researchers in the US, China, Korea and Singapore have collaborated to develop flexible ultra-thin sheets of inorganic light emitting diodes (LEDs) and photodetectors for implantation under ...

Chemistry / Materials Science

created Oct 18, 2010 | popularity 4.8 / 5 (19) | comments 12 | with audio podcast report

IBM Scientists Create Ultra-Fast Device Which Uses Light for Communication between Computer Chips

(PhysOrg.com) -- IBM scientists today unveiled a significant step towards replacing electrical signals that communicate via copper wires between computer chips with tiny silicon circuits that communicate using ...

Physics / Optics & Photonics

created Mar 03, 2010 | popularity 4.7 / 5 (45) | comments 4 | with audio podcast

Nanotech discovery could lead to breakthrough in infrared satellite imaging technology

Researchers from Rensselaer Polytechnic Institute have developed a new nanotechnology-based "microlens" that uses gold to boost the strength of infrared imaging and could lead to a new generation of ultra-powerful ...

Nanotechnology / Nanophysics

created May 18, 2010 | popularity 5 / 5 (16) | comments 4 | with audio podcast

Researcher: Cell phones could double as night vision devices

(PhysOrg.com) -- Call it Nitelite: The newest app for cell phones might be night vision.

Technology / Engineering

created May 04, 2010 | popularity 4.6 / 5 (14) | comments 10 | with audio podcast

With a simple coating, nanowires show a dramatic increase in efficiency and sensitivity

By applying a coating to individual silicon nanowires, researchers at Harvard and Berkeley have significantly improved the materials' efficiency and sensitivity.

Nanotechnology / Nanophysics

created Jul 06, 2011 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Can you see me now? Flexible photodetectors could help sharpen photos

(PhysOrg.com) -- Distorted cell-phone photos and big, clunky telephoto lenses could be things of the past. UW-Madison Electrical and Computer Engineering Associate Professor Zhenqiang (Jack) Ma and colleagues ...

Physics / General Physics

created Jan 13, 2009 | popularity 4.8 / 5 (11) | comments 0

Siemens Sets New Record for Wireless Data Transfer using White LEDs

(PhysOrg.com) -- Researchers from Siemens have broken their own record for wirelessly transmitting data over white LED light. They’ve now achieved rates of 500 megabits per second (Mbps), shattering the previous ...

Technology / Telecom

created Jan 21, 2010 | popularity 4.3 / 5 (8) | comments 8 | with audio podcast report

Single quantum dot nanowire photodetectors

Moving a step closer toward quantum computing, a research team in the Netherlands recently fabricated a photodetector based on a single nanowire, in which the active element is a single quantum dot with a ...

Nanotechnology / Nanophysics

created Dec 14, 2010 | popularity 4.3 / 5 (6) | comments 1 | with audio podcast

Electron resonances could greatly enhance the response of optical chip photodetectors

Optical chips are the latest innovation in silicon technology with the potential to revolutionize telecommunications. Their operation relies on several key components, including light-emitting devices, waveguides ...

Physics / Optics & Photonics

created Mar 28, 2011 | popularity 4.7 / 5 (3) | comments 0

High efficiency infrared photodetectors using gold nanorods

Toyohashi Tech researchers develop an innovative infrared photodetector exploiting ‘plasmon resonance’ at the surface of gold nanorods. This technology shows potential as the basis for the development ...

Nanotechnology / Nanophysics

created Mar 25, 2011 | popularity not rated yet | comments 1

Electron billiards in nanoscale circuits: Characterizing photoelectrons with quantum point contacts

In solar cells, solar radiation boosts electrons to higher energy states, thereby releasing them from their atomic bonds as electricity begins to flow. Scientists led by Professor Alexander Holleitner, physicist at the Technische ...

Nanotechnology / Nanophysics

created Oct 21, 2010 | popularity 4.7 / 5 (3) | comments 1

Photodetector

Photosensors or photodetectors are sensors of light or other electromagnetic energy. There are several varieties:

For more information about Photodetector, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.