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Integrated Photonics: A Tale of Two Materials
With its suitability for monolithic integration for optics and photonics, silicon has been widely hailed as the material of the future. But graphene — with its capacity for signal emission, transmission and detection — could be the next disruptive technology.
Photonics Spectra, August 2016
Image Processing Interprets the Modern World
From the moment we wake up and open our eyes, we are processing images. It is this image processing that enables us to successfully complete tasks from the mundane to those that are undertaken only by the gifted professionals trained to make...
Photonics Spectra, August 2016
Member Exclusive
Optical Metrology Breaks Barriers
At one time, the diffraction limit, half the wavelength of light, acted as a cutoff to optical measurement. That’s no longer the case. Superresolution techniques now allow optical metrology well below that point in the XY direction, while...
Photonics Spectra, August 2016
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Simulation, Experiment Unite Graphene and Plasmonics
Ever since a single-atom-thick film of graphite was first successfully synthesized back in 2004, graphene has been on a decade-long ride through applications ranging from photovoltaics and next-generation batteries to electronics.
Photonics Spectra, August 2016
Innovations Make Ultrafast Lasers Even Faster
Ultrafast lasers or ultrashort pulse lasers emit pulses in the range of a few femtoseconds up to a few picoseconds. These lasers are essential tools for a variety of applications like laser material processing including cutting, marking, drilling,...
Photonics Spectra, August 2016
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Reality Check
Germany is known as “the land of ideas” in the photonics industry. France has become a top contender in optics and photonics innovation. And now, Australia, China, Japan and others in the Asia-Pacific region are swiftly emerging as major players in...
Photonics Spectra, July 2016
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DLIP Quickly Changing Surface Functionalization
A wide range of products — from LEDs to solar cells to medical implants — can be improved through the use of micro- and nanostructures that significantly influence the physical properties of their surfaces. Such topographies can be...
Photonics.com, June 2016
TEA CO2 Lasers Cut into Excimer Market
Transversely excited atmosphere carbon dioxide (TEA CO2) lasers are unique in that they offer much shorter pulses and higher peak powers than conventional CO2 lasers. These properties allow TEA CO2 lasers to emulate the better-known — but...
Photonics.com, June 2016
Femtosecond Lasers: More Micromachining Apps
In the more than two decades since a team of researchers from the Center for Ultrafast Optical Science at the University of Michigan first demonstrated the use of a femtosecond laser for micromachining1, this technology has clearly made its...
Photonics.com, June 2016
Breakthrough for Real-Time THz Imaging
Terahertz technologies have become a major field of applied research, driven by the tremendous potential of applications such as nondestructive testing, biomedical imaging, security screening and telecommunications. Imaging using THz radiation has...
Photonics Spectra, July 2016
Applications on the Upswing as Cost of Imaging Systems Come Down
Every autumn — usually from mid-September until around mid-November in North America and March through May in South America — cranberries reach their peak of color and flavor and are ready for harvesting. It’s then the turn of...
Photonics Spectra, July 2016
Airy Beam Light-Sheet Microscopy Holds Promise for Life Sciences Imaging
Airy light-sheet microscopy has great potential to help further research and clinical diagnoses through its ability to image larger 3D volumes of tissues and organoids. Developed in the last three years, it is best-suited to the fields of...
Photonics Spectra, July 2016
High-Performance UVC LEDs Driving Spectroscopy Innovations
UVC LEDs are fast becoming the technology of choice for designers developing a new breed of spectroscopy devices that are smaller, less costly and more energy-efficient, while still delivering precise, real-time measurements. With efficiency and...
Photonics Spectra, July 2016
Ultrashort Pulse Laser Micromachining Surpasses Previous Limitations
To fulfill current and future customer needs in the ultrashort pulse (USP) laser micromachining market, faster processing time is critical. In only the last few years the average power of these lasers has risen continuously, reaching an average...
Photonics Spectra, June 2016
Specialized Optical Mirrors Set to Unlock the Universe’s Darkest Mysteries
Large telescopes all across the world stare into the sky day and night, waiting to uncover the secrets of the cosmos. For the Hobby-Eberly Telescope, the world’s third-largest optical telescope, located at The University of Texas at...
Photonics Spectra, June 2016
For Vision Systems, Lighting and Other Advances Up Capabilities and Cut Costs
For vision systems, lighting is critical. Now, the wide availability of LEDs offers new choices, such as being able to create complex illumination patterns. There also are new and improved sensors, processors and algorithms. Combined, these advances...
Photonics Spectra, June 2016
Member Exclusive
Lighting Up Microscopes: Advances and Emerging Sources
Microscope developers are a resourceful bunch, opting to use the light source available to them at the time to peer at or below the surface of various materials. Even dating back to the 17th century, Galileo used sunlight to produce the very first...
Photonics Spectra, June 2016
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IR Sensor Calibration: When Extreme Uniformity Is Not Boring
Extended area blackbodies are now commonly used as reference sources for IR cameras, simultaneously calibrated. The uniformity of the reference blackbody is therefore essential. A newly developed specific bench measures IR source uniformity with a...
Photonics.com, June 2016
Advanced Inspection Technology: Evolving Clean Energy
The development of clean energy is moving forward globally at an increasing pace. Making clean energy more efficient is critical to its adoption — and this is where large-volume precision measurement comes into play. Gemasolar, located in...
Photonics.com, June 2016
Life in the Ultrafast Lane with Fiber Lasers
For lasers, shorter pulses mean more precision and new applications. That’s been true for decades. What’s changed in the last few years is that prices for lasers with pulse widths a picosecond or less are dropping significantly. The...
Photonics.com, June 2016
An Alternative to LEDs for Full-Field Imaging
For some applications, the defining attributes of traditional lasers — high spatial and temporal coherence — can have an adverse effect. High spatial coherence introduces artifacts such as speckle in imaging, which degrades the image. As...
Photonics Spectra, May 2016
Quantum Networks: Photons Hold Key to Data Security
Quantum technology is no longer science fiction. Election results, health data, mobile phone communications, sensitive business information, banking transactions and user IDs — more and more applications are secured with quantum key...
Photonics Spectra, May 2016
Member Exclusive
Better Lasers, Better Machining
When it’s time to cut, weld, ablate, mark or otherwise machine materials, manufacturers are increasingly turning to lasers. Falling system costs and better resulting product quality are two reasons why. Still, the need exists to further lower the...
Photonics Spectra, May 2016
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Advances in Optical Simulation Software Bridge the Product Development Gap
From cellphone cameras to space telescopes, driverless cars to the laser interferometer at LIGO (Laser Interferometer Gravitational-Wave Observatory), optics are transforming our lives. Optical system design and the optical engineer’s toolbox...
Photonics Spectra, May 2016
Cadmium-Free Quantum Dots Offer Vibrant Color for Liquid Crystal Displays
Display manufacturers are constantly striving to satisfy consumers’ never-ending appetites for better and more true-to-life electronic displays. Accomplishing that has as much to do with color as it does with resolution. To do so, one...
Photonics Spectra, May 2016
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