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coatings Features
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 – will be on display June 12-14 at Messe Stuttgart in Germany at the biennial international trade fair Lasys 2012, which focuses on laser systems for materials processing. The diversity of applications enabled by laser systems is striking, maki...
Photonics.com, June 2012
Quantum Efficiency Advances Sensors for Night Vision
In recent years, low-noise CMOS imaging sensors have triggered many new opportunities and applications for the night-vision market. Although low noise is key, it is not the only parameter to consider when dealing with low-light vision. Sensitivity...
Photonics.com, June 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
Lasers Change the Shape of the Photovoltaics Industry
Laser technology and photovoltaics manufacturing make naturally happy partners. Lasers lend themselves well to the needs of PV development such as drilling, trenching, ablation, welding and doping. Lasers may have been made for photovoltaics...
Photonics Spectra, March 2012
Extreme Ultraviolet: A New Frontier for Lasers
Advances in compact EUV lasers could benefit industries from semiconductor manufacturing to medicine. Compact lasers that operate in the extreme ultraviolet (EUV) wavelengths – 5 to 50 nm – are poised to offer new abilities to image,...
Photonics Spectra, November 2011
Property Management: A Review of Optical Materials
Optical materials are as old as the natural quartz and obsidian crystals early civilizations used to change the way people saw the world. Artificial materials came later, with mirrors and other optics produced following the growth of art glass in...
Photonics Spectra, September 2011
Optical Filters Take Food Inspection to a Whole New Level
Multispectral machine vision systems are one way to speed up quality control on production lines – and to make sure our food is safe for consumption. Foodborne diseases affect approximately 48 million people in the US each year, according to...
Photonics Spectra, July 2011
High Laser-Induced-Damage Threshold Optics
Despite nearly 50 years of study, laser damage continues to be a topic of some confusion for both optics manufacturers and consumers. Laser optics purchasers need to know the primary causes of damage and the steps that fabricators typically take to...
Photonics Spectra, March 2011
Laser Trends: Laser Companies Look to Rocket Out of the Recession
Lasers are tools, no more and no less. They are used to illuminate and to burn, to mark items and to measure them. In many ways, they are as ubiquitous as knives and tape measures, and they are treated as common consumer products in many ways. Yet...
Photonics Spectra, January 2011
A Blast from the Past: Highlights of a Vintage Laser Collection
Immediately after Hughes Research Laboratory announced the first laser in July 1960, many working in research labs began building them for their own use. The second half of 1960 certainly saw the first do-it-yourself frenzy around lasers. By the end...
Photonics Spectra, December 2010
The Building Blocks of Micro-Optical Systems Integration: A Primer
Custom integration projects have specific performance requirements that a commercially available microscope alone cannot provide. Although microscope components are key to the product’s design and performance, selecting these parts can be...
Photonics Spectra, December 2010
Shining a Black Light on Coating Inspections
The highest-quality, longest-lasting coatings available to consumers are installed at the factory. Factory finishes are applied in a controlled environment using quality materials and highly specialized equipment. The protective...
Photonics Spectra, November 2010
Specialty Optical Fibers for Harsh Environments
Fiber optic sensing is one of the fastest developing technologies today, and fiber sensors have seen increased acceptance and widespread use in many commercial applications. These include structural sensing, smart structures and civil engineering;...
Photonics Spectra, October 2010
High-Energy Laser Optics Require Coatings in Their Own League
Sure, your laser pointer doesn’t have the power to punch through the wall, but high-fluence CO2 and other heavy-duty beasts of burden can carve through sheet metal, slice 1/4-in. steel into intricate shapes and drill smooth holes into parts...
Photonics Spectra, September 2010
Cut, Mark, Drill, Repeat
Increasingly, the medical devices used to support good health and provide emergency and long-term care are not being designed to sit on a rack or table next to a patient’s hospital bed. Instead, they are being made small and light enough to be...
Photonics Spectra, August 2010
Displays Add a Dimension, Durability
The rumblings about 3-D that began in 2009 are starting to hit the home display market in earnest, thanks in part to the overwhelming popularity of 3-D movies such as Avatar. Besides being visually more stimulating, new displays also are becoming...
Photonics Spectra, July 2010
Spectral reflectivity and interferometry for optical lens analysis
There are more than 500 companies in the US alone that make optical equipment. The number of products with built-in lenses is increasing. Few cell phones or personal computers are sold today without a still or video camera included. We see the...
Photonics Spectra, July 2010
Measurement of centering errors, automated adjustment and mounting of lenses
Classical optical measurement techniques combined with modern PC technologyprovide accurate alignment, bonding and cementing of optical components and systems. These processes are fully automated and significantly reduce production time and cost....
Photonics.com, June 2010
Calibrating the Thermal Camera
Thermal imaging, once the domain of the defense sector, is finding applications in a number of commercial and medical fields. As more manufacturers join the thermal camera business, the need to test these devices to recognized standards is becoming...
Photonics Spectra, December 2009
A New World of Fiber Sensors
Optical fiber is well-known for its ability to carry information at high speeds over long distances. Twenty years after the first transatlantic fiber optic cable was laid, these strands of ultrapure glass continue to offer unrivaled bandwidths. They...
Photonics Spectra, October 2009
Reflecting on the Past
One source rarely considered when addressing photonics issues is our ancestors: Great technological discoveries from many millennia ago may lead to modern day solutions. A recent example of this involves optimizing gold-based infrared reflectors...
Photonics Spectra, September 2009
East Asia Photonics Industry: Rising to Opportunity
Views from China Affected by the global economic downturn, the output of some optical manufacturing enterprises in China hit bottom between the fourth quarter of 2008 and the first quarter of 2009, but production has been going up from the...
Photonics Spectra, August 2009
Getting it right with high-performance ISR windows
High-precision windows used for intelligence, surveillance and reconnaissance (ISR) applications can be as large as 0.9 m and must be transmissive at various visible and infrared wavelengths, with a significant focus in the IR. End-user applications...
Photonics Spectra, August 2009
Multiplexing UV-NIR Spectroscopy Measurements
Optical coating of large areas has become an increasingly important step in materials processing. Achieving the highest possible performance and respective yield from large panes of architectural glass, solar cells and thin-film layers requires...
Photonics Spectra, August 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
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