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Specialized “shutters” capture superquick phenomena
Remember when “faster than a speeding bullet” was exciting news? At about 2700 mph, the quickest ammo is moving turtle-slow when compared with the rates needed to study physical phenomena at the level of molecules, atoms or even photons themselves. Researchers around the globe are studying the fundamental processes of the universe, from how biological cells talk to each other to how light interacts with matter. Discovering how the world works at the furthest outskirts of physical reality prom...
Photonics Spectra, March 2010
The Year in Stimulus Funding: The impact of the American Recovery and Reinvestment Act on biomedical research
Dr. Francis S. Collins had, as they say, his work cut out for him. In early August 2009, the former head of the Human Genome Project was sworn in as the 16th director of the NIH and thus was charged with overseeing what President Obama would later...
Photonics Spectra, March 2010
Beaming through to NOVEL USES for HOLOGRAPHY
Typically, green, simple three-dimensional images of objects on flat paper are not unknown to today’s kids – or to anyone who has grown up during the past few decades. We encountered them first as wonderments – optical tricks that astounded and...
Photonics Spectra, February 2010
Lighting the Way
The lighting industry is in transition. The formerly ubiquitous incandescent bulb has already been banned in Europe and will be phased out in the US beginning in 2012, all part of ...
Photonics Spectra, February 2010
Making electro-optical sense with Zinc Oxide
ZnO has many properties that make it attractive for optoelectronic applications. It has a bandgap of 3.37 eV – the same as gallium nitride (GaN) – and an excitation binding energy of about 60 meV. It is transparent under visible wavelengths of light...
Photonics Spectra, February 2010
Patent Issues in Synthetic Biology Research
Synthetic biology aims to design and engineer biologically based parts, novel devices and systems as well as to redesign existing, natural biological systems – often with support f...
Photonics.com, February 2010
Prism Awards Winners: Photonics West 2010
The photonics industry last month took an evening off from the bustle of the show floor to celebrate innovation at the Photonics West 2010 trade show and conference. Ten companies ...
Photonics Spectra, February 2010
Putting Imaging in the Picture
It is now more than 180 years since the first image was captured by Joseph Nicéphore Niépce from an upstairs window on his estate in France using pewter plates and a camera obscura...
Photonics.com, February 2010
The art of microspectroscopy
Martin noted that both spectra and high-resolution digital images can be acquired with the company’s microspectrophotometers, also known as microspectrometers (including its QDI 2010 model), which are designed to measure the UV-VIS-NIR spectra of...
Photonics Spectra, February 2010
The struggle to keep research real
Beneath a scientist’s lab coat beats a human heart. So it should be no surprise that researchers sometimes fudge – or outright fake – their data. Often, this manipulation takes the form of a doctored image. Michael Kalichman, director of the...
Photonics Spectra, February 2010
Imaging & Vision Trends: Imaging steps up and out
For Kamalina Srikant, a product marketing engineer with vision software and hardware manufacturer National Instruments of Austin, Texas, improving imaging technology isn’t just a g...
Photonics Spectra, January 2010
Laser Trends: Come up to the lab and see what’s on the slab
Laser achievements in the laboratory this past year ranged from some of the smallest ever made to some of the largest, from the debut of the world’s first hard x-ray free-electron laser to creation of the most powerful light ray yet by a solid-state...
Photonics Spectra, January 2010
Laser Trends: Lasers set to blaze new trails
As the 50th-anniversary celebration of the invention of the laser begins, the industry itself is making a cautious rebound after months of belttightening, consolidation and reasses...
Photonics Spectra, January 2010
Optics Trends: Optical tech sparkled in 2009
In a year that has seen the biggest recession in decades hit most market segments, you might expect a look back at the optics industry in 2009 to be all gloom and doom. But there a...
Photonics Spectra, January 2010
Other Trends: But wait – there’s more … !
Well, now. You’ve read the previous articles covering the ongoing and upcoming trends in lasers, optics and imaging, but you’re probably thinking that there’s more to photonics than those technologies. You are correct; there is much more to the...
Photonics Spectra, January 2010
Old School Versus New in Optical Topology Testing
For the past 100 years or so, makers of optical components have relied on Fizeau interferometers to check surface quality. These devices have allowed manufacturers to detect defects via deviations from regular fringe patterns. However, Fizeau...
Photonics.com, December 2009
Adaptive Optics in Biological Imaging with Two-Photon Microscopy
Cutting-edge biological microscopy has enabled researchers to explore tissue at the subcellular level in vivo. Having the ability to observe physiological processes in vivo has led to breakthroughs in our understanding of cancer, eye disease and...
Photonics Spectra, December 2009
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
Photonics Is Heating Up in India
India is the seventh-largest country by geographical area and the second-most populous in the world. With approximately 1.17 billion people, it is second only to China, which has 1.34 billion. Situated in south Asia, between Pakistan, China and...
Photonics Spectra, December 2009
Sniffing out threats with light
It isn’t time to retire bomb-sniffing dogs – yet. However, that scenario is closer to happening, thanks to advances in surface-enhanced Raman spectroscopy, hyperspectral imaging and other photonics technologies. Armed with these, police and military...
Photonics Spectra, December 2009
Uncooled infrared detectors
Infrared camera manufacturers can choose from a wide variety of uncooled IR detectors to make different model designs for a variety of commercial, industrial and military products. Uncooled infrared detectors have seen many significant technology...
Photonics Spectra, December 2009
Under an Unblinking Eye
Used for displays in all manner of electronic gadgets, LCD panels are a mainstay of everyday life. Dozens of manufacturers – mainly in China, Taiwan, Japan and South Korea – produce a seemingly endless stream of these liquid crystal...
Photonics Spectra, December 2009
Finding peak performance under the cover of darkness
Whether in a helicopter or fixed-wing aircraft, or whether hunting for insurgents in Afghanistan or lost children on a mountain slope near Denver, pilots of all stripes are putting in more hours than ever after the sun sets. Night-vision goggles, or...
Photonics Spectra, November 2009
For Lidar, Many Happy Returns
For light detection and ranging (lidar) scanners, the returns are in – and they’re good. Innovations have made lidar scanners, which emit laser pulses and capture the returning light to determine distance to an object or characteristics of air,...
Photonics Spectra, November 2009
Getting VC Funding: Improving Your Odds
There is no shortage of good advice on how to get venture capitalists (VCs) to invest in your start-up company. Out of curiosity, I Googled “get VC funding” and found almost 2 million links. One top site is an informative short video by Paul...
Photonics Spectra, November 2009
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