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Helium: Up, Up and Away?
Refiners are struggling to keep up with demand, prices have increased dramatically over the past few years, and debate is raging over depleting federal reserves. If you think the subject is oil, think again. Helium, the most important supercoolant used in science, is experiencing much of the same market volatility.During 2007, a worldwide shortage of helium was big news, the result of a “perfect storm” of supply problems that included plant shutdowns, delays in new plants coming online and...
Photonics Spectra, October 2008
How to Do Business in France
What do companies such as Intel, Colgate-Palmolive and Toyota have in common? They have all chosen France as the location for their European headquarters. Company directors consistently rank France as one of the top locations for setting up or...
Photonics.com, November 2008
In the Spirit of Managing the Planet
Gathering satellite images of Earth is nothing new. Nor is using the information to analyze our continents, oceans and weather-related events for environmental, strategic and reconnaissance purposes. What seems to be changing is the way in which...
Photonics Spectra, October 2008
Inspection in the Fast Lane
In a security-conscious age, there is a world of information to keep tabs on. Walk into an airport or a federal building, and you are screened for forbidden objects. If you run a small retail shop and are busy in the back room, knowing when a...
Photonics Spectra, October 2008
Interacting with the Whole Earth
Researchers at Microsoft Corp. recently revealed a device that allows users to interact with an image, such as a globe, projected onto a sphere. To create the prototype display, the researchers started with a commercially available globe projection...
Photonics Spectra, October 2008
Mining the Moon with Solar
If NASA has its way, Solar energy and fiber optics will combine to power a high-temperature furnace that mines oxygen on the moon. A manned lunar base will require a substantial supply of oxygen, both for life support and for propellants, and rather...
Photonics Spectra, October 2008
Optical Thin-Film Coating Methods
Chances are that this magazine comes off a press that uses components with thin-film coatings. What’s more, your supermarket checkout scanners, cell phones, cars and TVs all utilize thin-film coatings. Despite the wide range of applications, there...
Photonics Spectra, October 2008
Pocket-Size Roll-Up Displays
Displays are becoming tiny, but the smaller they get, the harder it is to see a lot of information at once. Although devices such as the iPhone include ways to zoom in on information in an e-mail or on a Web page, this gets tiring if you’re trying...
Photonics Spectra, October 2008
Researchers Who Turn into Entrepreneurs
Interviewed four people who have founded companies based on new photonics technologies developed in their research. They range in age from 34 to 49, and their companies have spun out from universities in England, Scotland and Ireland, although one...
Photonics.com, November 2008
Soda Can Videos
You’ve just finished drinking your favorite soda, but before you recycle the can, imagine that it has a button allowing you to view a music video. Researchers led by Dr. Roel Vertegaal at Queens University in Kingston, Ontario, Canada, have designed...
Photonics Spectra, October 2008
Spectroscopy Hunts Down Counterfeit Drugs
Consumers are using the Internet to buy prescription drugs more cheaply, sometimes without a prescription, but they may get more than they bargained for because some unscrupulous retailers provide fake or adulterated drugs. The problem has been...
Photonics Spectra, October 2008
Taking Solar to the Extreme
When polar explorer Robert Swan – the first person to walk to both the North and South Poles – returned from his most recent expedition to Antarctica in March 2008, he brought back proof that solar technology is entering a new era. Swan had...
Photonics Spectra, October 2008
Technology Businesses Beware
The growth of the Internet’s reach and capabilities, accompanied by the rapid deployment of largely insecure wireless technology, has expanded the amount of processor power that can be subverted and governed by powerful networks of cyber criminal...
Photonics.com, November 2008
The Shape of Displays to Come
When you think of displays, you likely think of something flat – flat-screen television, mobile phone screen – but researchers today are developing displays in almost any shape imaginable. The perception that displays are only flat might change in...
Photonics Spectra, October 2008
Tiny Eyes in the Sky
The demands of military electro-optical systems designers who require the detection of very small infrared signals over a wide variety of applications are driving advances in the area of 2-D photovoltaic infrared focal plane array (FPA) design and...
Photonics Spectra, October 2008
Wildlife Imaging
Shooting wild creatures – that is, photographing them – is a delight to amateur nature enthusiasts as well as a great help to the research of biologists and conservationists, and hardware and software innovations have made capturing wildlife images...
Photonics.com, November 2008
An Eye for Quality
For years now, computer numerical control (CNC) machines have been producing parts for a variety of industries. An important element in the process is an experienced machinist who knows that, to meet stringent tolerances, machine tool wear must be...
Photonics Spectra, September 2008
Analyze This.
Whether atop microscope slides or inside shopping malls, people and objects are constantly in motion, and savvy researchers around the globe are watching closely, using digital cameras and, often, specialized analytical software to gain information...
Photonics Spectra, September 2008
Fiber Lasers: Not Just for Materials Processing Anymore
Fiber lasers, once laboratory curiosities, evolved first into the workhorses of telecommunications. In their second transformation, they found work in a host of marking, welding and cutting applications on the factory floor.Today the versatile...
Photonics Spectra, September 2008
Fuel from the Abyss
Many scientists carry out all of their research in the lab. Others leave the lab to go on adventures. Some of the men and women who study bacteria that thrive in extreme conditions live like Indiana Jones – giving lectures one day and...
Photonics Spectra, September 2008
Look, Up in the Sky
Long familiar in a military setting, UAVs now are being used to map pollutants in the sky and to track wildfires at a distance. If some regulatory-related issues could be resolved, certain small UAVs equipped with cameras could be useful in a number...
Photonics Spectra, September 2008
Microdisplays: Coming Soon to an Eye Near You?
Imagine strolling past a restaurant and having its menu hover translucently in your field of vision, or getting a call from friends and having a GPS-like map appear in front of you as a guide to their exact location. These types of “augmented...
Photonics Spectra, September 2008
Technology highlights in advanced optical manufacturing
The optical industry covers an enormous range of applications and uses many manufacturing technologies. Optical manufacturing machines typically can be divided into two approaches: dedicated high-throughput single-application machines – e.g.,...
Photonics Spectra, September 2008
That’s Entertainment!
Machine vision applications used to be all work and no play. No longer the case, researchers and vendors now are setting their sights on games, rides and other entertainment, including automated foosball, tables that interact with audiences to play...
Photonics Spectra, September 2008
Back-Illuminated Image Sensors Come to the Forefront
Demand for higher throughput inspection systems with improved resolution is growing in the machine vision and industrial imaging industries. Traditionally, front-illuminated CCD or CMOS sensors are used in these inspection systems because of the...
Photonics Spectra, August 2008
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