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Charles Lieber tells optics.org how new levels of control have led to nanowire lasers capable of emitting between 365 and 494 nm.
Chip maker Avago Technologies is hoping to raise $400 million in an initial public offering (IPO) in spite of a turbulent stock market and a slumping semiconductor industry.
Researchers have extended the resolution of a wide-field microscope beyond the diffraction limit to image cells in finer detail.
Carbon monoxide can now be detected by vertical-cavity surface-emitting lasers, thanks to a design that pushes emission out to 2.3 microns.
Chinese researchers have found that adding an opal-like layer of fluorescent nanospheres to blue LEDs gives uniform white-light emission.
Despite burning its way through hundreds of millions of dollars over the past 20 years, InP and GaAs chip maker Bookham is still in business. Remarkably, it now looks like it will be generating cash by the end of 2008. Michael Hatcher asks CEO Alain Couder how he has turned around the company's fortunes.
Despite burning its way through hundreds of millions of dollars over the past 20 years, InP and GaAs chip maker Bookham is still in business. Remarkably, it now looks like it will be generating cash by the end of 2008. Michael Hatcher asks CEO Alain Couder how he has turned around the company's fortunes.
Sony has unveiled the world's brightest red laser diode array that it says is ideal for use in projection devices.
Nanostructured gold films can be used as effective broadband terahertz antireflection coatings, say scientists in Germany.
Featuring news from JDSU, Toshiba Matsushita Display Technology, Powerlase, iSuppli, SPIE and more.
The LED maker’s vertical integration pays off at the packaged chip level, but at the price of reduced annual profits.
A £1.2 million research programme will give the UK a leading position in fibre-coupled sources for mainstream materials processing.
A NIR fluorescence imaging system could offer real-time image guidance during cancer surgery.
Biodegradable, biocompatible and implantable optical components made of silk are unveiled by researchers in the US.
Using GaAs instead of germanium substrates, NREL scientists can exploit the ideal combination of materials to produce a compound semiconductor cell.
Featuring news from Jenoptik, Zygo, Boeing, Applied Energetics, OSRAM and more.
A quantum dot laser that emits at 1543 and 1571 nm simultaneously is the first in a new generation of dual-wavelength self-modelocked sources.
Backsheets made from renewable biomaterials could be more cost effective than petroleum-based films for crystalline silicon solar cells.
US researchers have unveiled two different approaches to 3D cloaking that they say is a significant step towards fabricating practical cloaking devices.
Doubts over cell customer Green and Gold Energy hit Emcore's solar business, but there are more customers in the pipeline.
Canadian researchers have unveiled a tiny fibre Bragg grating that could replace conventional spinal disc pressure sensors with a less invasive alternative.
A new design of ring-down spectrometer allows in situ measurements of methane, carbon dioxide, and a carbon dioxide isotope in the same instrument.
The range of nanopositioning solutions on the market is broader than ever before as applications continue to drive the technology. Stefan Vorndran of PI outlines the options.
Nanostructured lens copy is a candidate for compact imagers and tiny optical sensors.
Featuring news from Microvision, II-VI, IPG Photonics, Plastic Logic and more.
Current softness in semiconductor markets and flat growth in materials processing will not prevent expansion into other markets
By growing AlGaN sideways from angled seed crystals, Hamamatsu Photonics has cut non-radiative recombination while providing a suitable bandgap for UV lasing.
Researchers in the US unveil a silicon-based CCD camera that mimics the shape of a human eye.
Increasing sales and an order for fibre lasers to weld car doors demonstrate growing confidence in the effectiveness of laser manufacturing tools.
A low-cost and high-resolution microscope has for the first time been engineered to fit onto a single chip.
A round-up of the latest financial reports from Newport, Corning, Toshiba and StockerYale.
A semiconductor laser that has been engineered to emit a narrow beam of light without the use of additional lenses could help to reduce the cost of optical systems.
Featuring news from Laser Photonics, Sydor Instruments, Universal Display, Goodrich, Boeing and more.
An 850 nm vertical-cavity surface-emitting laser capable of achieving data rates of up to 25 Gbit/s makes its debut.
New green sources are designed for solar and materials processing applications, but will benefit the active matrix OLED sector as well.
Researchers unveil a high-speed imaging system with an image quality, frame rate and frame count that they say is unprecedented.
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