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High-Average-Power Cryogenic Lasers for New Applications
The fundamental metrics used to determine effectiveness for military applications are size, weight, efficiency, reliability, performance and cost. In the commercial world, size and weight are less important but nevertheless desirable to decrease cost of ownership. In modern solid-state lasers performance gaps exist at any power level, particularly with regard to wall-plug efficiency and beam quality. A quiet revolution in solid-state laser technology has been taking place for the past decade,...
Photonics Spectra, November 2010
Improving the Picture of Food Production
If you are what you eat, then it might be good for food to get the right – and therefore light – touch. Photonics-driven improvements in food inspection and handling could result in fewer illnesses, less waste, cheaper prices and better...
Photonics Spectra, November 2010
Shining a Black Light on Coating Inspections
The highest-quality, longest-lasting coatings available to consumers are installed at the factory. Factory finishes are applied in a controlled environment using quality materials and highly specialized equipment. The protective...
Photonics Spectra, November 2010
The Pursuit of Government Contracts: The Hunt Goes On
Photonics companies large and small and their technologies have benefited from government contracts, and there is little doubt that we all benefit in the end from the resulting technology development. Photonics cluster executives provide insight...
Photonics Spectra, November 2010
Confirming Optical System Performance
In today’s global economy, optical components and systems are purchased from sources around the world, so the need for performing incoming inspection rapidly and efficiently has never been greater. Frequently, optical components that are...
Photonics Spectra, October 2010
On the Road with Junior: A tale of optics and driverless cars
Once accessible only to the likes of David Hasselhoff and Batman, autonomous driving is now finding its way into a range of consumer vehicles. Here, in following a car named Junior and its various progeny, we trace the recent history of driverless...
Photonics Spectra, October 2010
Diode-Pumped Solid-State UV Lasers Improve LED Sapphire Wafer Scribing
The green movement, energy conservation efforts and global warming headlines have made the world aware of the need for more energy-efficient lighting alternatives. The range of applications for high-brightness LEDs continues to expand. Laser...
Photonics Spectra, October 2010
Photonics Clusters: You get what you give
By joining a regional organization of like-minded entities – and, more importantly, by participating in their activities – you will increase your standing as a technology company, according to leaders of photonics clusters around the...
Photonics Spectra, October 2010
Specialty Optical Fibers for Harsh Environments
Fiber optic sensing is one of the fastest developing technologies today, and fiber sensors have seen increased acceptance and widespread use in many commercial applications. These include structural sensing, smart structures and civil engineering;...
Photonics Spectra, October 2010
CMOS X-ray Imaging Shores Up Oil and Gas Operations
Current events have spotlighted the deep-sea oil and natural gas industry and have drawn attention to the importance of nondestructive testing (NDT) of critical oil and gas field equipment. For many reasons, leaks can occur over time if the...
Photonics Spectra, October 2010
Temperature Sensors: Monitoring the Health of the Production Line
For manufacturers, temperature can be a critical indicator of the status of a piece of equipment, a process or the product itself. Infrared sensors can be used as a useful yardstick to gauge the health of a production line, helping to maximize...
Photonics.com, October 2010
The French Connection: Optics in France and the US
It wasn’t so long ago, at the centuries-old Château Smith-Haut-Lafitte in the Pessac-Léognan appellation south of Bordeaux, that workers had to stand at long sorting tables manually removing pieces of leaves, raisins and other...
Photonics.com, October 2010
For Nonlinear Optical Processing, Things Do – and Don’t – Add Up
Sometimes you don’t want 2 + 2 to equal 4. Instead, it would be nice if the result were a lot more – or a lot less. That’s the basis for nonlinear optical processing, where a material or device has an outsize response to...
Photonics Spectra, September 2010
Future Projections: Cell Phone Market Poised for Projectors
The market for tiny handheld projectors, known as pico projectors, began in earnest a few years ago, with companies like Microvision Inc., Explay and 3M introducing prototypes at industry events such as the 2008 Consumer Electronics Show (CES)....
Photonics Spectra, September 2010
High-Energy Laser Optics Require Coatings in Their Own League
Sure, your laser pointer doesn’t have the power to punch through the wall, but high-fluence CO2 and other heavy-duty beasts of burden can carve through sheet metal, slice 1/4-in. steel into intricate shapes and drill smooth holes into parts...
Photonics Spectra, September 2010
Monolithic Photonic Integrated Circuits for 10G Passive Optical Networks
Continually escalating demands for broader penetration of higher bandwidth, faster performance and rich-media applications are driving the ongoing worldwide deployment of fiber-based services. Even in the face of global economic challenges during...
Photonics Spectra, September 2010
Putting the “Eye” in CSI
Forensic investigation hasn’t yet achieved the sci-fi type of technological sophistication seen on CSI and other television crime shows, but it’s getting there. Having seen what is possible with DNA, and often feeling considerable...
Photonics Spectra, September 2010
Consumers Dominate MEMS Market
The microelectromechanical systems (MEMS) market is expected to surpass a staggering $11 billion by 2012, according to Yole Développement, a French market research and strategy consulting company specializing in the MEMS, compound...
Photonics.com, August 2010
Cut, Mark, Drill, Repeat
Increasingly, the medical devices used to support good health and provide emergency and long-term care are not being designed to sit on a rack or table next to a patient’s hospital bed. Instead, they are being made small and light enough to be...
Photonics Spectra, August 2010
Electron-Multiplying CCD for Lidar Applications
Until recently, only photomultiplier tubes were suitable for low-light imaging. However, this technology and associated poor spatial resolution were not suited to scientific applications. Solid-state devices such as image intensifiers or...
Photonics Spectra, August 2010
FaceTime
Novel technology and powerful new algorithms have facilitated a range of advances in face recognition systems, leading to improved accuracy in traditional applications – mostly in the areas of surveillance and security – and suggesting a...
Photonics Spectra, August 2010
Lidar Reveals Hidden Aftershock Hazard in Haiti
Rescue agencies the world over have rallied together in a bid to bring relief to the thousands of people left injured, homeless and without food or sanitation in the wake of the Haiti earthquake, which devastated the region in January this year. ...
Photonics Spectra, August 2010
Listen hard, and you’ll hear the NEXT BIG THING coming!
It’s still quite young, but the 21st century has yet to produce a truly life-changing technology. Certainly the 20th century did, with the advent of lasers and transistors and all of the tools and toys they have inspired and enabled since...
Photonics Spectra, August 2010
Near-Infrared Bandpass Filters for Astronomy
Near-infrared filters operate within a wavelength range of 800 to 5000 nm and typically consist of multiple thin-film interference layers of silicon/ silicon compounds deposited on a suitable optical substrate. They can be manufactured in narrow-...
Photonics.com, August 2010
Swiss Research Institutions Rated Among Best in World
Some of its best-known exports may include watches, chocolate and cheese, but Switzerland also is home to a healthy photonics industry, which, according to an October 2009 report by Swiss-based consulting firm Optech Consulting, has generated a...
Photonics.com, August 2010
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