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Integrated optical solutions that can control the movement of photons in future optical computers will be the subject of DARPA’s latest research programme.
optics.org speaks to researchers who believe that there is no fundamental physical limit to achieving a room temperature terahertz quantum cascade laser source.
Knowing how to decide between the various options is a daunting task for anyone considering adaptive optics. Jerome Ballesta and his colleagues from Imagine Optic take some of the mystery out of choosing adaptive optics products for precision applications.
Backed by industry and the European Commission, the 'Brighter' project is delivering powerful 635 and 650 nm diodes for medical applications as the first of its many goals.
GaN VCSELs are now producing electrically pumped lasing thanks to superlattice structures in the n-type mirror and indium tin oxide coating of the aperture.
Passive-matrix OLED displays dominated the market in 2007, but will be surpassed by shipments of active-matrix OLEDs by 2012.
Combining in-house technology with assets acquired from another Mitsubishi subsidiary will allow the development of white LEDs by 2010.
An image sensor that contains submicron pixels arranged as subarrays could be a key component in compact and low-cost 3D cameras.
Featuring news from Osram, Coherent, QPC Lasers, Micronic, Redfern Integrated Optics and more.
Arrays of vertical-cavity surface-emitting lasers boast properties such as narrow emission spectrum and a stable output wavelength. Jean-Francois Seurin and Chuni Ghosh of Princeton Optronics argue that the technology is cost-effective for many high-power and high-energy applications including end-pumping and laser rangefinding.
Optical atomic clocks have the potential to measure time with unprecedented precision. Marie Freebody speaks to experts John Kitching and Leo Hollberg to find out more.
Wavelength-scanned cavity ring down spectroscopy avoids optical feedback and reflection effects, and can detect 10 parts per trillion of hydrogen fluoride.
Aiming high-power pulses of laser light into a thunderstorm has helped a French–German collaboration to deliberately trigger electrical activity in thunderclouds.
Raman spectroscopy offers an alternative to fluorescence techniques for the molecular imaging of living subjects.
Following further acquisitions from Intel's optical platform and optical cables businesses, Emcore intends to separate its fibre and photovoltaic units.
An optical technique for diagnosing Alzheimer's disease in living patients has been proposed by researchers in the US.
Expertise in laser manufacturing and fabrication techniques is on offer to a range of industry sectors from this UK start-up.
Nano-optical devices could benefit from research into the sub-wavelength behaviour of light.
Featuring news from Sunny Optical, Elbit, Powerlase, Research and Markets, Sony Europe and more.
The chemicals company's acquisition of OLED specialist Gracel Display is the latest evidence of its push into display technologies and optical films.
Researchers have shown for the first time that coherent terahertz radiation can be produced from the interaction of a laser pulse with a high-energy electron beam.
A Silicon Valley start-up supplies fibre-based laser sources for materials processing, medical therapy and other commercial applications.
Optically pumped semiconductor laser technology enables scaling of output power and wavelength throughout the visible and near-infrared regions of the spectrum. Matthias Schulze and Andrew Masters of Coherent look at the applications benefiting from these tailor-made wavelengths.
Analysts at the Prometheus Institute predict a big future for concentrating solar power, and suggest that as much as 6 GW of concentrator photovoltaics could be installed by the end of the next decade.
Product-related counterfeiting is a global problem that can have major social and economic consequences. Eric Mottay of Amplitude Systemes reviews current anti-counterfeiting technologies and the market opportunity for an ultrafast laser solution.
The spherical microbubble formed when a single-mode fibre is spliced to a hollow-core photonic crystal fibre produces a high-precision strain sensor.
US researchers have unveiled a new optical frequency comb that could help astronomers to identify distant Earth-sized planets.
Featuring news from StockerYale, Osram, Varioptic, Thales, Photonic Products Group, nLight and more.
Funding from the European Commission and UK Technology Strategy Board is helping to bring the industrial and scientific communities together through collaborative R&D projects. OLE speaks to Fianium's R&D manager John Clowes about the effects that these initiatives have on SMEs within the photonics sector.
A new class of optical thin-film materials enables the refractive index to be tuned to extremely low values. E Fred Schubert and colleagues believe that this capability could have important applications in real-world devices, including solar cells and LEDs.
Image analysis will become the largest single sector, while demand for multimedia capabilities and high-definition displays continues to grow strongly.
An imaging device combining a fluidic lens with a set of fixed glass lenses can operate as a camera and as a microscope.
The research focus on high-performance LEDs will now shift towards more warm-white LED and high-efficacy luminaire development, according to a US Department of Energy report.
An optical antenna that redirects the light emitted by nearby molecules could benefit sensing and analytical applications.
A quantum cascade laser operating in the near infrared could be on the cards, thanks to research that has shown electroluminescence from an unusual combination of materials.
Growing the solar business is a key focus for the company in 2008, while it also plans to divest its remaining optics interests to streamline its portfolio.
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