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New Materials Build Better Organic Photodetectors
Organic photodetectors are destined to enhance numerous sectors ranging from industrial markets for process control, object recognition and light management to consumer electronics for motion detection and interactive surface applications. OPDs, also known as organic photodetectors, have a lot going for them: They can be lightweight, thin, flexible, semitransparent and cheap to make, and they can be manufactured in large sizes. Currently, OPDs are still in the product development stage, but i...
Photonics Spectra, August 2011
Ones to Watch
IEEE Photonics Society Awards The Young Investigator Award honors an individual who has made outstanding technical contributions to photonics prior to his or her 35th birthday. The 2011 Young Investigator is Hatice Altug, an assistant professor...
Photonics Spectra, August 2011
Silicon Emits the Light Fantastic (with Help)
Silicon may be mighty in electronics, but it’s puny in photonics – so far. Researchers have resorted to such tricks as combining silicon with other semiconductors or exploiting the Raman effect to coax out coherent light. ...
Photonics Spectra, August 2011
Transformation Optics Bends all the Rules
From invisibility cloaks to hyperlenses, and photovoltaic concentrators to superresolution microscopy, transformation optics makes big promises. In the same way that water flows can be manipulated using dams and channels, light can be made to...
Photonics Spectra, August 2011
Cold-Atom Lab in a Box
Bringing cold atoms to the classroom gives undergraduate students a hands-on way to learn about physics – and could inspire lifetime careers using photonics to manipulate atoms. Bringing cutting-edge physics into the undergraduate classroom...
Photonics Spectra, July 2011
Fiber vs. Disk: Which Laser Will Make the Cut?
Some in the industry say they see fiber continuing to make large gains in the manufacturing space, but others say don’t count thin-disk out. The boom in fiber lasers that began several years ago has led some to question whether there is still...
Photonics Spectra, July 2011
High-Content Imaging Provides Better Answers to Life’s Questions
Researchers are turning more and more to high-content imaging for help with drug discovery, clinical trials, dosing strategies, and studies of cellular interactions and functions. And 3-D imaging could take these applications even further. ...
Photonics Spectra, July 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
Profiling Gets You the Right Beam, Every Time
Whether the application is industrial, medical, military or scientific, diagnosing a problem in your optical system can be confusing, time-consuming and costly. Beam profiling can help. There can be few frustrations greater than finding that your...
Photonics Spectra, July 2011
Theoretical Design and Analysis: A Ring Resonator Filter Using Er3+/Yb3+-Co-Doped Phosphate Waveguides
Researchers investigate the principle of loss cancellation in proposing a configuration of lossless microring filters fabricated on Er3+/Yb3+-co-doped phosphate glass and using ion-exchanged techniques. The optical round-trip length and the coupling...
Photonics Spectra, July 2011
Diode Laser-Based Sensors Improve Temperature Measurement in Energy Applications
The power generation industry has to focus on several key factors to make its future products successful in the electrical power generation market. These factors include: Higher machine efficiency and optimized life cycle cost; Reliable operation of...
Photonics Spectra, June 2011
Measuring the Earth from Above: 30 years (and Counting) of Hyperspectral Imaging
Hyperspectral remote sensing, in which an entire spectrum is acquired at each pixel of an airborne or orbiting sensor, provides a more complete understanding of the Earth’s surface and is a tool for monitoring change. Unlike multispectral...
Photonics Spectra, June 2011
Optofluidics and the Real World: Technologies Evolve to Meet 21st Century Challenges
“We are very good at developing novel optofluidic devices for research demonstrations; the challenges lie in transitioning these devices into commercially viable products.” – Arthur Nitkowski, Cornell University Optofluidics is a...
Photonics Spectra, June 2011
Sophisticated Software Allows Complex Optical Design
Software has pushed the optics and photonics fields forward in myriad ways, sometimes with profound effects on business and culture. Would we have been able to take full advantage of the many technology advances in the past five decades –...
Photonics Spectra, June 2011
The Ones to Watch: Nanolasers Are Breaking New Ground – and Fast
Rapid advances in nanolaser research are making this area of photonics a very hot topic. Whether tackling high optical losses in nanocavities or achieving room-temperature operation, scientific groups worldwide are helping to bring the nanolaser...
Photonics Spectra, June 2011
ECBO Promotes Advances in Biomedical Optics
The development and application of optical techniques and tools for biomedical imaging, diagnostics and therapy have been continuously expanding for several decades. These advances are based on multidisciplinary efforts requiring contributions from...
Photonics.com, May 2011
Expert Q&A: Trends in Laser Alignment
Laser alignment affords manufacturers great precision and efficiency in assessment of their equipment, allowing them to take minute measurements and correct tiny errors that otherwise could mean big problems down the line, including materials wasted...
Photonics Spectra, May 2011
From Flange to Butt Joint: Lasers in Auto Production
New concepts in the design and construction of structural elements such as beams, sills and car doors that include the use of profiles, single-sided laser joining processes and interlocking connectors save weight, time, costs and installation space....
Photonics.com, May 2011
Imaging in the Ultrafast Lane
For ultrafast imaging at wavelengths well below the visible, consider the work being done by a team led by professors Henry Kapteyn and Margaret Murnane. The married couple holds appointments in physics at the University of Colorado at Boulder and...
Photonics Spectra, May 2011
Key Enabling Technologies for Growth
Several technologies have great potential to strengthen Europe’s capacity for innovation and industrial development in the face of global competition. In October 2009, the European Commission identified key enabling technologies (KETs); in...
Photonics.com, May 2011
Laser Munich Brings Science and Industry Together
There is a lot of variety in photonics, and the Laser World of Photonics trade fair and World of Photonics Congress, to be held concurrently from May 23 to 26 at New Munich Trade Fair Centre, will cover the full spectrum of technologies. Industry...
Photonics.com, May 2011
Preserving Moore’s Law Pushes Lithography to its Limits
The race is on to develop the next technology that will enable manufacturers to continue scaling down their chip sizes. Will optics provide the answer everyone is looking for? The brisk march of optical lithography has set the pace for the shrinking...
Photonics Spectra, May 2011
Quantum Dots Set to Permeate the Next Generation of Displays
A veritable explosion of display-centric devices – new cell phones, handheld games, tablet computers and televisions in a multitude of sizes and dimensionality (2-D, 3-D … n-D!) is coming. Spurred on by ecologically minded consumers...
Photonics Spectra, May 2011
Using SBIRs as a Platform for Success
Perseverance is the most important factor in garnering a Small Business Innovation Research (SBIR) award, according to Brimrose Corp.’s founder and CEO. And he should know. In 1984, Dr. Ron Rosemeier found himself at the end of his postdoc...
Photonics Spectra, May 2011
A Decade in Attosecond Science
Attosecond light pulses are a technology generated by electrons, for electrons. By harnessing these ultrashort pulses, we can “see” electron motion in real time – which, if you are in the business of developing high-speed...
Photonics Spectra, April 2011
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