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sCMOS Cameras Examine Movements of Pathogens
Researchers seek side-effect-free treatment for African sleeping sickness, and fast imaging technology plays a vital role in the effort. It’s an age-old epidemic, and it’s terrifyingly deadly: African sleeping sickness, or trypanosomiasis, kills 30,000 people every year, in addition to entire herds of buffalo and cattle. Existing medications are out of date and, worse, they kill not only the pathogens but also the patient – in one case in 10. Biologists at the University
Photonics.com, March 2014
InGaAs SWIR Cameras Open New Opportunities
Shortwave infrared imaging is finding new applications by improving spectroscopy, inspection and more. A whole new waveband of the electromagnetic spectrum has been opened up for exploitation in the past few years – the shortwave infrared...
Photonics Spectra, March 2014
Manufacturers Refocus Technology Efforts Following Recent Financial Woes
Overcapacity has caused financial problems in the past few years, so the solar industry has been somewhat less focused on implementing technology advances - but today things are looking up and research is being rivived. The solar market was...
Photonics Spectra, March 2014
Materials Evolving for Lighter, Stiffer Optics
Building better optical materials will impact applications in high-energy lasers, consumer devices and more. For optical materials, less can be more: Coatings that reflect less could lead to displays that are brighter and can be seen over a wider...
Photonics Spectra, March 2014
New Approaches Improve Beam Expansion
Afocal beam expansion systems based on the basic principles of Kepler and Galileo telescopes can be improved in terms of wavefront quality by using additional optical surfaces or aspherizing them using monolithic beam expansion elements. Everyday...
Photonics Spectra, March 2014
SFG Spectroscopy Is Key to Oil Industry Research
Sum-frequency generation spectroscopy offers insights for oil and other applications – but assembling the right equipment can be a slippery problem. Laser spectroscopy enables the minute determination of molecular structure for a variety of...
Photonics Spectra, March 2014
Covert IR Optical Taggants Enhance Identification
Covert IR taggants represent a strong photonic tool in identifying key personnel and materials in both military and civilian applications. Covert infrared taggants are embedded markers that can emit coded optical signals outside of the visual...
Photonics Spectra, February 2014
Real-Time 3-D Replays Bring Fans Closer to Action
Imaging technology is a real game changer for Dallas Cowboys fans and refs at AT&T Stadium. Figuring out which team came up with the football during a postfumble player pileup has gotten a whole lot easier – at least, it has for Dallas...
Photonics Spectra, February 2014
Better Lasers, Better Computing
To take communications to the next level, laser technologies must improve in terms of cost, efficiency and robustness. Fortunately, those improvements are in the works. Whether traveling through free space or over a fiber, lasers power data delivery...
Photonics Spectra, February 2014
How Fibers Really Work
Basic knowledge of fiber optics is widespread – but often infected by certain misconceptions. The basics of fiber optics are seemingly quite simple. Guidance of light in a fiber core can be explained with the physics of total internal...
Photonics Spectra, February 2014
Quantum Communications Finds Many Paths to Commercialization
From quantum repeaters and single-photon detectors to space satellites, photonics promises to bring quantum encryption to the mainstream. Quantum communications has already been proved possible over short distances. Via fiber optics, quantum key...
Photonics Spectra, February 2014
Trends in Microscopy: A Big Market, Focused on the Very Small
The microscopy market is growing – set to exceed $5 billion by 2018 – even as microscopic targets get smaller and smaller. The microscopy market is trending upward – and the technology is continually allowing researchers to see...
Photonics Spectra, February 2014
Broad Range of Lasers Makes Materials-Processing Market Dynamic
Materials processing spans many industries and encompasses an ever-widening range of applications, supported in turn by a broad spectrum of lasers, including CO2, fiber, direct-diode, diode-pumped solid-state (DPSS) and excimer lasers. This market...
Photonics.com, January 2014
Resistance Spot-Welding Gun Meets Fiber Laser
The high-volume production environment in the automotive industry is one where resistance spot welding and laser remote welding are well-established technologies. Both technologies have pros and cons. For laser remote welding, the main advantage is...
Photonics.com, January 2014
Ultrafast Fiber, Disk Lasers Are Game Changers for Micromachining
When applying picosecond and femtosecond lasers for industrial applications, there isn’t just one ultrafast laser for all applications. Manufacturers need an ultrafast laser portfolio with different powers, pulse energies, wavelengths and...
Photonics.com, January 2014
Eyewear Helps Thwart Laser-Pointer Attacks
A basic news search for “laser pointer” returns a disturbing number of hits detailing incidents in which pilots or train conductors, law enforcement personnel, politicians and athletes have been targeted by readily available laser...
Photonics Spectra, January 2014
Selecting Industrial Laser Optics
Lasers are one of the most significant and prevalent inventions of the 20th century. They have created entire industries, optimized many processes and enabled thousands of applications ranging from CD players to nuclear fusion research. It is...
Photonics.com, January 2014
Accurate Low-Energy Measurement Enhances Photonic Devices
Time-to-digital converters provide highly accurate measurements for photonics applications – with less energy consumption and lower overall costs. Measuring a quantity or value through digital monitoring of extremely small increments of time...
Photonics Spectra, January 2014
Image Quality Testing Improves as Cameras Advance
An overview of state-of-the-art technology for image quality testing of mass-produced camera modules for consumer devices, including recent developments and new challenges. Image quality testing of complete cameras and assembled camera modules is...
Photonics Spectra, January 2014
Trends in Imaging
Advanced data mining, 3-D video imaging techniques and image fusion are bringing to fruition superaccurate real-time diagnostics, brain mapping and futuristic driverless cars. Developments in photonics have changed the landscape of imaging in...
Photonics Spectra, January 2014
Trends in Lasers
For lasers, the trends are fast and powerful – literally. Shorter pulse widths and greater power are future directions for the technology. On the horizon are new lasing materials and new concepts to produce laserlike light sources. The outcome...
Photonics Spectra, January 2014
Trends in Optics
Advances in optics in the past year or two have ranged from promising new optical materials to innovations in existing technologies. From optical coatings and add-on kits to quantum dots and metadevices, the scope of progress is as extensive as it...
Photonics Spectra, January 2014
Where the Jobs Are Now
As I contemplated today’s photonics job/employment environment, and the business climate and outlook for 2014, I went back to the “Where the Jobs Are” article I wrote for the August 2012 issue of Photonics Spectra. One difference...
Photonics Spectra, January 2014
Designing Fiber Amplifiers for Short and Ultrashort Pulses
Fiber amplifiers are in some respects ideal for amplifying short and ultrashort pulses. But serious limitations arise, particularly from nonlinearities, and many aspects must be checked for optimized amplifier systems designs. In several respects,...
Photonics Spectra, December 2013
For Lasers, No Vibrations Allowed
Efficient use of a laser beam is dependent not only on the power of the laser source and beam quality, but also on its precise guidance. Short- and ultrashort-pulse lasers are used to remove materials on an atomic level for high-precision...
Photonics.com, December 2013
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