News tagged with light sensors

Researchers make better heat sensor based on butterfly wings

(PhysOrg.com) -- Scientists have long known that butterfly wings produce their iridescent colors by bouncing light around and between tiny ridges in structures made of chitin. More recently they’ve discovered ...

Physics / Optics & Photonics

created 9 hours ago | popularity 5 / 5 (2) | comments 0 | with audio podcast report

Researchers produce ultra-short light pulses using on-chip microresonator

(PhysOrg.com) -- Researchers from the NIST Center for Nanoscale Science and Technology and Purdue University have designed and fabricated an on-chip microresonator that converts continuous laser light into ultra-short pulses ...

Physics / Optics & Photonics

created Jan 19, 2012 | popularity not rated yet | comments 0

High-speed CMOS sensors provide better images

Conventional CMOS image sensors are not suitable for low-light applications such as fluorescence, since large pixels arranged in a matrix do not support high readout speeds. A new optoelectronic component ...

Technology / Semiconductors

created Jan 03, 2012 | popularity 4.9 / 5 (8) | comments 0 | with audio podcast

Bright future for gaN nanowires

The gallium nitride nanowires grown by PML scientists may only be a few tenths of a micrometer in diameter, but they promise a very wide range of applications, from new light-emitting diodes and diode lasers ...

Nanotechnology / Nanophysics

created Nov 29, 2011 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

UV light controls antibodies, improves biosensors

From detecting pathogens in blood samples to the study of protein synthesis, Quartz Crystal Microbalance (QCM) sensors have many uses in modern biology. In this technique, antibodies anchored to gold electrodes ...

Physics / Optics & Photonics

created Oct 31, 2011 | popularity not rated yet | comments 0

'Microring' device could aid in future optical technologies

(PhysOrg.com) -- Researchers at Purdue University and the National Institute of Standards and Technology (NIST) have created a device small enough to fit on a computer chip that converts continuous laser light ...

Physics / Optics & Photonics

created Oct 19, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

IROS gets earful on Google's self-driving cars (w/ video)

(PhysOrg.com) -- Lots of people now know about Google's self-driving car project. The latest stats find Google's fleet of robotic vehicles have done over 190,000 miles with only occasional human interventio ...

Technology / Engineering

created Oct 19, 2011 | popularity 5 / 5 (9) | comments 12 | with audio podcast report

City-wide sensor system could make cities run more smoothly

(PhysOrg.com) -- By installing millions of sensors throughout a city and hooking them up to an urban operating system, the Portuguese-based company Living PlanIT envisions that, in the future, cities could ...

Technology / Hi Tech & Innovation

created Oct 04, 2011 | popularity 3 / 5 (1) | comments 5 | with audio podcast weblog

No-chemicals solar powered bug killer seeks Europe expansion

(PhysOrg.com) -- AgriSolar this week announced an aggressive push into the European market for its no-chemicals insect killer that makes use of solar power to heat special insect-zapping light bulbs. AgriSolar ...

Technology / Energy & Green Tech

created Oct 02, 2011 | popularity 3.7 / 5 (3) | comments 12 | with audio podcast weblog

European researchers driving road safety

Safety while driving is paramount, and Europeans are making efforts to ensure our well-being in vehicles - whether we are behind the steering wheel or in a passenger seat. The project partners have pushed ...

Technology / Engineering

created Aug 09, 2011 | popularity 1 / 5 (1) | comments 0

Breakthrough in ultra-sensitive sensor technology

Princeton researchers have invented an extremely sensitive sensor that opens up new ways to detect a wide range of substances, from tell-tale signs of cancer to hidden explosives.

Physics / Optics & Photonics

created Mar 21, 2011 | popularity 4.3 / 5 (7) | comments 0 | with audio podcast

Trapping a rainbow: Researchers slow broadband light waves with nanoplasmonic structures

A team of electrical engineers and chemists at Lehigh University have experimentally verified the "rainbow" trapping effect, demonstrating that plasmonic structures can slow down light waves over a broad range of wavelengths.

Physics / Optics & Photonics

created Mar 14, 2011 | popularity 4.5 / 5 (2) | comments 1 | with audio podcast

A multi-touch coffee table display may be coming to an office near you

(PhysOrg.com) -- Multi-touch tables and displays are not really a new thing. They have been used in museum exhibitions for a few years now, and even in some medial applications. The idea of having a multi-touch ...

Electronics / Hardware

created Feb 21, 2011 | popularity 2 / 5 (2) | comments 6 | with audio podcast weblog

NRL scientists elevate warfighter readiness against invisible threats

In asymmetric warfare, early detection and identification of trace level chemical and biological agents and explosive compounds is critical to rapid reaction, response, and survivability. While there are many ...

Nanotechnology / Nanophysics

created Feb 10, 2011 | popularity 5 / 5 (2) | comments 0

UV-transparent coating for image sensors

Image sensors as used in cell phones are partially color-blind. This is because of their coating, which prevents UV light from passing through. CMOS chips have as a result not been suitable for spectroscopy ...

Technology / Engineering

created Feb 08, 2011 | popularity not rated yet | comments 0