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Microscopy Features
Hybrid Fabrication Makes Better Plasmonic Nanostructures for SERS
Monolithic hierarchical plasmonic nanostructures improve results from surface-enhanced Raman spectroscopy. Plasmonic nanostructures of gold and silver have emerged as attractive nanomaterials because of their small size, corrosion resistance, biocompatibility and ability to bind to a wide range of thiolated molecular and biomolecular species through the metal-S bond. These nanostructures absorb and resonantly scatter visible and near-IR light upon excitation of the localized surface plasmon r...
Photonics Spectra, August 2013
Mergers, Acquisitions and More
In past years, we’ve reported from trade shows and conferences that the mood was one of “cautious optimism” that progressed to, as someone said, “restrained exuberance.” Today, the optimism and exuberance are catching...
Photonics Spectra, August 2013
Novel Fibers Use Space to Extend Capacity Limits
New optical fibers such as multicore, multimode and hollow core use their spatial properties in the designs of next-generation systems to solve future fiber capacity bottlenecks and other sticky problems. The optical network that enables...
Photonics Spectra, July 2013
Scanning White-Light Interferometry Fingerprints the Polishing Process
Characterizing the effects of polishing optical surfaces beyond a surface roughness parameter may enable superior finishes. A wide variety of techniques can be used to manufacture high-quality optical surfaces. These range from surface generation,...
Photonics Spectra, July 2013
Short-Pulse Q-Switched Lasers Enhance Precision Marking Applications
A new subnanosecond operating regime outperforms fiber lasers – at a lower cost than ultrafast, mode-locked lasers. The demand for high-precision marking continues to grow, particularly driven by various microelectronics applications....
Photonics Spectra, June 2013
Coupled Waveguide Technology Enables Multiple Imaging Advances
This approach enables not only wide-range tunable filters, but also an image demultiplexer that forms the core of a multispectral imaging system that captures high-resolution images in real time over a broad wavelength range. Waveguide technology is...
Photonics Spectra, April 2013
MicroLED Arrays Find Applications in the Very Small
Although relatively new, these arrays already are being commercially exploited and have the potential to benefit lighting, lithography, research and other areas. LEDs are now ubiquitous in everyday life. Deployed initially as infrared communication...
Photonics Spectra, March 2013
Novel Bonding Technology Improves Optical Assemblies
Activated covalent bonding overcomes the optical performance and laser damage limitations of traditional adhesive techniques and also can be used with mid-IR components. Optical components and assemblies in which elements are bonded together using...
Photonics.com, March 2013
Passively Q-Switched Microchip Lasers Enable Ultrashort Pulses
In a world where the micron has become the standard and competition is fiercer than ever, subnanosecond lasers may be just the answer for emerging industrial microprocessing applications. Femtosecond and picosecond laser sources, which have been...
Photonics.com, March 2013
Doing the Math: Aging World Population Demands Photonics Innovation
An aging world population may be the single biggest social challenge of this century – and photonic technologies and innovation could play a major role in helping us all make the most of this global trend. On the occasion of World Health Day...
Photonics Spectra, January 2013
Prism Awards Finalists Offer Solutions to Big Problems
Sensors for monitoring environmental toxins and detecting explosives, powerful new lasers for biophotonics, and tools for lithography and spectroscopy are among the finalists for the 2013 Prism Awards for Photonics Innovation, the global competition...
Photonics Spectra, January 2013
Smartphones Move from Social Media to Social Medicine
Cellphones have evolved from a luxury to a necessity in the past 20 years, and now smartphones are making those same inroads (as of September 2012, 45 percent of American adults owned a smartphone, according to research by the Pew Internet Project)....
Photonics Spectra, January 2013
Prism Awards Finalists Offer Solutions to Big Problems
Finalists from Europe include tools for pollution monitoring, manufacturing, brain imaging and more. Sensors for monitoring environmental toxins and detecting explosives, powerful new lasers for biophotonics, and tools for lithography and...
Photonics.com, December 2012
Superpolished Optics Enable High-Sensitivity Laser Applications
A review of superpolished surfaces, including fabrication and measurement, as well as some of the leading applications that depend on these optics. Superpolished optics – that is, components with subangstrom surface roughness – represent...
Photonics Spectra, November 2012
Scanning Goniophotometers Improve Materials Selection
Measurement of a material’s specific scattering properties takes the guesswork out of choosing materials for various applications. Measuring the optical scattering of materials allows engineers to choose the very best materials for...
Photonics Spectra, October 2012
Camera Advances Drive Scientific Research
New imaging systems help scientists look deeper into cells – and materials, too Applications of machine vision extend beyond industry: Some exciting uses are found in scientific research, from the life sciences and even medicine to...
Photonics.com, September 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
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
193-nm Lithography Opens Doors for Diffractive Micro-Optics
Design considerations and fabrication affect performance for a near-IR large-angle homogenizer for use in 3-D sensors based on time of flight. The field of diffractive micro-optics is playing an increasingly important role in today’s...
Photonics Spectra, May 2012
Time Delay Integration Speeds Up Imaging
Using a sensor architecture that permits photoelectrons generated from multiple exposures to be summed with no additive noise enables high-speed imaging under light-starved conditions. This technology has become a standard in the automated...
Photonics Spectra, May 2012
Defense, Security Show Targets Baltimore
SPIE moves its DSS conference and trade show to the Charm City to maximize exposure to governmental agencies, military institutions and research organizations. At the mention of Baltimore, certain things come to mind: crab cakes, the Orioles, Camden...
Photonics Spectra, April 2012
Multiband Optical Filters Find Applications Outside Fluorescence
Whether used for imaging cells or astronomical bodies, multiband filters can improve signal-to-noise ratio while reducing cost, size, and setup and data-acquisition times in optical systems and instruments. In the past, most optical filters had a...
Photonics Spectra, April 2012
Challenging Solving Improving
Winners of 2011 Prism Awards represented an intriguing mix of European and US-based small companies and established businesses. This year’s winners include a 60-laser system for inspecting train rails at high speed, a dual-laser source for...
Photonics Spectra, March 2012
European Companies Win Big
The winners of the 2011 Prism Awards for Photonics Innovation represented an intriguing mix of European and US-based small companies and established businesses. The annual international competition, sponsored by Photonics Media and SPIE, honors...
Photonics.com, March 2012
LED Technologies Light Up in Europe
Europe is alight with LED developments these days. In every corner of the continent, researchers and companies are pushing the technology toward dazzling new applications and capabilities. The high-brightness LED market is expected to reach $16.2...
Photonics.com, March 2012
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