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Getting By with the Help of Your Friends at SPIE and OSA
Optical scientists and engineers have a lot to celebrate as Galileo’s telescope turns 400 this year and the laser turns 50 years old next year. The Optical Society of America (OSA) is serving as a partner in LaserFest, a series of events taking place in 2010 that are designed to inform the public and Washington thought leaders about the benefits of the venerated device. This is just one example of what a professional society provides its members. Most scientists and engineers know about the...
Photonics Spectra, July 2009
Into the photon detector’s tool kit
Vacuum tube technology has always preceded its solid-state counterpart. The most familiar example of the former is the transistor, considered the greatest invention of the 20th century. Other examples are cathode-ray and electronic amplifier tubes....
Photonics Spectra, July 2009
Optical Components for Special Situations
In nearly all optical experiments, there must be some degree of adjustment. Depending on the optical elements involved, the experiments may require up to six degrees of freedom. A mirror mount in an interferometer might need only two rotational...
Photonics.com, July 2009
Optical Power Meters: Versatile and Economical
Complex experiments, safety and environmental requirements demand optimum, low-cost optical devices.
Photonics Spectra, July 2009
Photonics Technologies....An Important Driver in the German Economy
With photonics, innovations are no longer used simply to fix limited problems in other industries. There is a significant amount of technology cross-fertilization, where the combination of several optical and optoelectronic technologies leads to new...
Photonics.com, July 2009
Profiting from telecom investments: Taking advantage of the NIR First Overtone and Raman’s Spectral Fingerprints
Instrumentation professionals have long recognized great potential for near-infrared/Raman spectroscopic analyzers in application areas ranging from lab analysis to portable field monitors. Until now, however, near-IR and Raman process analytical...
Photonics Spectra, July 2009
Seeing Clearly: The Latest in Machine Vision Software
3-D vision, large-image processing, bar and data codes, and an integrated development environment make up Halcon 9.0.
Photonics Spectra, July 2009
A Nanotechnology Face-Lift for MCPs
Although microchannel plate (MCP) electron multiplier technology has been around for about 50 years, advances in performance have been very slow. Today, because of advanced semiconductor deposition techniques, however, it holds promise for...
Photonics Spectra, June 2009
Applications Abound for Single-Photon Detectors
“Single-photon detectors find application in various fields, such as time-correlated photon counting, fluorescence measurement, single-molecule detection, environment analyses, laser rangefinders, quantum cryptography and others,” said Dr. Danielle...
Photonics.com, July 2009
Entrepreneurship 101: From Idea to Start-up
During the telecom bubble of the 1990s, the photonics industry was euphoric, with people barely out of school getting funded to start companies. But the free economy is simply too efficient to allow a company to succeed unless it offers overwhelming...
Photonics Spectra, June 2009
Europe’s ACCORD bridges gap between R&D and product launch
Photonics, a field of constant innovation, produces revolutionary products and instigates capabilities based on investment in research and development (R&D). The European Commission is supporting such investments through a number of its...
Photonics.com, July 2009
Fireproofing The Firefighting Robot
Some machines can be used to find fires or to extinguish them from afar, but saving the lives of people trapped within a burning building requires a machine that can take a little singeing. A remotely controlled robot being designed and built at the...
Photonics Spectra, June 2009
Homeland Security with a Light Touch
From identification to communication, photonics technologies play a key role in homeland security. That contribution is expanding, thanks to a variety of innovations. For example, advances in biometrics that depend upon cameras, lights and image...
Photonics Spectra, June 2009
Just how dangerous are Foreign Researchers?
Through the years, a variety of forces have compelled the US government to place restrictions on immigration and on visas issued to scientists and other workers from foreign nations: the Cold War, threats of terrorism, economic protectionism. In...
Photonics Spectra, June 2009
LED Lighting Ready for Takeoff
LED lighting systems are showing promise for applications at airports and on aircraft, both in the military and commercial sectors. Their attributes are well-known – crisp lighting, energy efficiency, long lifetimes, low voltage requirements,...
Photonics Spectra, June 2009
Light at the End of the Tunnel Seen for German Photonics Industry
Whether it refers to microscopes or cars, the phrase “German engineering” is synonymous with quality. Ten percent of all Nobel prizes ever awarded have gone to German scientists. Albert Einstein famously won the prize in 1921 for the law of...
Photonics Spectra, June 2009
Portable LIBS Instrumentation: A New Tool for Geoscience
Laser-induced breakdown spectroscopy (LIBS) is an important tool in ecological work. It monitors soil contamination and air and water quality. It analyses rocks, meteorites and underwater samples to search for chemicals indicative of life in Earth’s...
Photonics.com, July 2009
Seize the Night
With two wars raging in the Middle East, North Korea launching missiles, and pirates taking sailors hostage off the Horn of Africa, the need for nighttime surveillance has never been clearer. Often enemy combatants will use the cover of darkness to...
Photonics Spectra, June 2009
The Answer Is Blowin’ in the Wind
Although Dr. Anna Michel of Princeton University was in Beijing last summer during the Olympics, her visit definitely was not all fun and games. Michel, a postdoctoral researcher at MIRTHE (the Center for Mid-Infrared Technologies for Health and the...
Photonics Spectra, June 2009
Can Remote Sensing Find bin Laden?
Despite seven years of espionage and the offer of a $25 million reward, Osama bin Laden remains at the top of the FBI’s most-wanted list. Professors Thomas Gillespie and John Agnew and some undergraduates at UCLA recently used remote-sensing...
Photonics Spectra, May 2009
Clothing is not just becoming smarter, but healthier
Clothing serves many purposes – it keeps the wearer warm, protects skin from the sun’s damaging rays and even allows people to make a statement about who they are. Now researchers are working to make clothing even more useful by creating it from...
Photonics Spectra, May 2009
Czeching out photonics from Prague to Kiev
Within the central and eastern European regions, photonics research is strong in various countries, including the Czech Republic, Romania, Slovakia and Ukraine, according to Dr. Pavel Tománek, who heads the Laboratory of Optical Nanometrolgy at Brno...
Photonics Spectra, May 2009
Fiber Lasers Cut Into New Industries
In all lasers, a substance is stimulated to make the laser beam. This substance is called the active gain medium. In fiber lasers, the active gain medium is the optical fiber itself, and the glass, plastic or quartz fiber is doped with rare-earth...
Photonics Spectra, May 2009
Making Laser Safety a Priority
Writing in an online forum, “Franz” confides that he injured his eye when installing an infrared laser for a customer. It was only a Class 1M, 16-mW laser, but he looked at it through a telescope that amplified the signal. “Fortunately, my eye...
Photonics Spectra, May 2009
Smart Cameras image a better Laser Weld
Laser welding has long played a role in auto manufacturing. Rapid control of the laser’s output power to maximize quality has been the goal of manufacturing engineers seeking high-quality welds in a competitive industry. Control of the process,...
Photonics Spectra, May 2009
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