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On-Camera Image Processing Improves System Performance
An explanation of performance and tips on reducing system costs using cameras with image processing capabilities. Perfect image sensors or lenses do not exist; all have artifacts, introduce noise and distort the “real” image. Even high-quality CCD and CMOS image sensors produce artifacts. In many machine vision OEM instruments, the industrial camera is a critical component, and these artifacts should be eliminated or corrected. Image correction functions can be implemented in the ...
Photonics.com, September 2012
Silicone promises to extend solar cells’ lives
Coating photo-voltaic (PV) cells with liquid silicone could yield more robust and sustainable solar cells at a fraction of the cost of traditional ones. Solar panels deliver power without risk to the environment and climate, but their...
Photonics.com, September 2012
Vision Stuttgart Growing in 25th Year
As the trade fair reaches its silver anniversary, organizers expand offerings and move to a larger venue. Vision Stuttgart may be in its 25th year, but the annual trade fair remains on the cutting edge – and it’s still growing. In fact,...
Photonics.com, September 2012
IR Imaging Optics Meet Varied Needs
Infrared camera technology spans a wide range of the electromagnetic spectrum, with results that vary with the waveband. Although there is some overlap of applications between the different infrared subbands and associated sensor technologies, it is...
Photonics Spectra, August 2012
Mergers and Acquisitions, Oh My!
It has been another eventful year for the photonics industry as companies continue to seek new opportunities, fresh markets and complementary technologies to add to their portfolios. The weakening of overall consumer and industry markets in Europe...
Photonics Spectra, August 2012
Ones to Watch
The first South African to earn a doctorate in biophotonics was recognized by her nation’s leader, an honor that took her by surprise. A physics professor from the University of Sydney in Australia works with light to speed up the Internet....
Photonics Spectra, August 2012
Photonics Institutions Flourish Around the World
Every corner of the world, it seems, is involved with photonics-related research. Organizing all of the expertise is a daunting task, and no single academic or commercial entity even tries to be the bearer of all knowledge in the field. Still, some...
Photonics Spectra, August 2012
Position Yourself for Success
Whether you are a new graduate or an experienced professional displaced for reasons beyond your control, if you are out of the workforce, there are things you can do, strategies you can employ, to enter or re-enter the labor pool. How do you...
Photonics Spectra, August 2012
Reader Poll: Essential Reading
We reached out to Photonics Spectra readers on various social media platforms to see what they consider the must-read books for people who work with photonics and optics, and the resulting list should provide a good background for those who want to...
Photonics Spectra, August 2012
Reader Poll: Recruitment Strategies
Because the field is so vast, it can be difficult to explain to outsiders just what photonics is – and why it’s so important. So we polled readers to find out what they would say to convince a friend, family member or stranger to study...
Photonics Spectra, August 2012
Reader Poll: School & Major
University programs with “photonics” in their names are a rather new development – a reflection of the growing importance of photonics not only to science but to the world – so we decided to poll our readers and find out what...
Photonics Spectra, August 2012
The Largest Photonics Regions in the World
Fans of the science and industry of photonics are joiners, not loners. Usually because of the influence of one or two giants of industry or renowned academic institutions, clusters of like-minded enterprises sprout like mushrooms over particular...
Photonics Spectra, August 2012
True Invisibility Remains Elusive
But research moves toward practical applications of cloaking technology. Invisibility cloaks have long captured our imaginations, whether actual cloaks imbued with magical powers – see the Lord of the Rings and the Harry Potter series –...
Photonics Spectra, August 2012
Where the Jobs Are
In today’s recovering economic climate, the outlook for jobs in photonics, optics and related disciplines is generally more favorable than it has been and is showing signs of continuing improvement, according to one longtime recruiter for the...
Photonics Spectra, August 2012
All-Fiber Probes Hold Promise for Medical Imaging Applications
Optical fiber probes are still in the early stages of manufacturing, but filament fusion technology enables many probe designs, from ball lenses to fiber lenses, among others. Cleaving fiber bundles with high quality and good throughput facilitates...
Photonics Spectra, July 2012
Aspheres Deal with Bigger Deviations
New tools and the integration of measurement capabilities into design software are helping to solve problems – and scientists in academic and government laboratories are researching tomorrow’s solutions. Aspheres are increasingly used...
Photonics Spectra, July 2012
Beam Profiling Helps Make Medical Devices Better
The amount of time and energy needed to invest in the setup and use of an untried, but useful, piece of equipment can be daunting. But once some of the basics are explained, the initial effort seems far more palatable. Here is a look at how one...
Photonics Spectra, July 2012
DPSS Lasers Give Medical Device Manufacturing an Edge
With a wide range of wavelengths, short pulse durations, high average powers and high pulse energies, compact and cost-effective diode-pumped solid-state (DPSS) lasers have a promising future in medical device manufacturing. Medical device...
Photonics Spectra, July 2012
Electronics Augments Modern Process Control Spectroscopy
Good wavelength accuracy and high sensitivity are key optical features of a spectrometer system, although resolution is a matter of mechanical design. However, in process control, the detector array and the related readout electronics are often more...
Photonics Spectra, July 2012
Nanoscale Biomaterials Require Close Observation
Replacement bones and blood vessels are just two types of artificial tissues that require deep-imaging microscopy techniques to develop. Studying useful materials is not limited to macroscale structures such as sheet metal, optical glass, wood...
Photonics Spectra, July 2012
FEL Pulses and Ultrafast Lasers Team Up to Explore New Frontiers
Free-electron lasers are uniquely bright sources of extremely short x-ray pulses that can be combined with synchronized ultrafast laser pulses to perform cutting-edge experiments in physics and chemistry. In the short time of their existence as...
Photonics Spectra, June 2012
HiPER to Expand Europe’s Role in Laser-Driven Nuclear Fusion Technology
In November 2010, the US’ National Ignition Facility fired the first shot toward a clean energy future. And Europe’s HiPER project will answer the call to arms. Coal, oil and other fossil fuels may or may not have staying power beyond...
Photonics.com, June 2012
Hyperspectral Imaging Gets Stamp of Approval for Food Processing
A technology that evolved from the cloaked secrecy of military satellites and reconnaissance technology is finding its way into poultry- and produce-processing facilities. Hyperspectral imaging holds so much promise across so many applications, and...
Photonics Spectra, June 2012
Interferometer Keeps Optics Shop on Track
Dynamic interferometry allows the National Optical Astronomy Observatory’s optics lab to avoid heavy vibration when the city builds a streetcar line nearby. Sometimes making transit run more smoothly can create a few bumps elsewhere. The...
Photonics Spectra, June 2012
Lasys 2012 to Emphasize Materials Processing
Every two years, the trade fair draws thousands to Stuttgart to discuss new technologies, applications and ideas for laser systems. Innovations and recent developments in laser technology – machines and subsystems, processes and services...
Photonics.com, June 2012
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