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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 distribution (QKD) in quantum telecommunication networks. The longest-running quantum network has been in operation for more than seven years, while the largest quantum network features more than 50 nodes. Today, quantum links have been established with
Photonics Spectra, May 2016
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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
Space-Based Remote Sensing Yielding New Insights into Climate Change
From tracking ash plumes from volcanic eruptions to measuring water vapor, multispectral imagers, IR sensors and lidar systems in space are yielding critical data leading to better forecasting models and long-term insights into global climate...
Photonics Spectra, April 2016
OLED Microdisplays: Advancing Virtual and Augmented Reality Smart Glasses of Today and Tomorrow
Mobile personal electronics and wearables have become immensely popular around the globe, and this has given rise to a new dilemma. Screen content has grown, mainly from multimedia applications, resulting in increased display pixel count. The...
Photonics Spectra, April 2016
DCS 2016 Evolves, Expands Defense and Sensing Markets
The advancement of sensing and imaging technologies is evolving the defense and security sectors worldwide, with a wide variety of applications in such areas as machine vision, process control and counter-terrorism (among others). SPIE’s 2016...
Photonics Spectra, April 2016
New Indium Antimonide-Based IR Detectors Surpass Previous Limitations
Due to their high thermal sensitivity and favorable atmospheric transmission in the 3- to 5-µm spectral region, cameras based on InSb sensors have been used in traditional applications such as medium- to long-range surveillance, as well as for...
Photonics Spectra, April 2016
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Delivering Optical Devices to the Medical Market
Medical optics is big business. The global market for medical device technologies is expected to reach $538.7 billion in 2018, registering a compound annual growth rate (CAGR) of 5.5 percent over five years, according to market analysts at BCC...
Photonics Spectra, April 2016
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Asia-Pacific Region Sees Advancement, Competition
Growth in the Asia-Pacific market is allowing global companies to make their mark on the industry in that region. Increased research and development activity is boosting production, allowing more self-reliance within Asian countries. This is...
Photonics Spectra, March 2016
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LED Materials Bring White Light and More
Efficiency and stability may make LEDs the lighting choice of the future, but commonly used inorganic materials are expensive and creating the right kind of white light remains a challenge. Researchers around the world are looking for alternatives...
Photonics Spectra, March 2016
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Collaboration Fuels Asia-Pacific Market Growth
Science and technology in Asia-Pacific is ahead of the pack in some focused markets; Japan, China, Taiwan and Korea are dominating various sectors, while Singapore is demonstrating “world-leading photonics activity.” In fact, the entire...
Photonics Spectra, March 2016
Manufacturers Unite to Create Submicron Precision
Ultraprecision manufacturing and optics unite two sophisticated technologies that are essential for a modern world that demands exact and meticulous results. From spacecraft components, next-generation displays and electronic devices to low-cost...
Photonics.com, March 2016
New Frontiers in Nanophotonics: Diamond Optical Windows Show Promise for High-Power Lasers
The explosion of demand in the telecom market in the 1990s spurred numerous advances in current and advanced coating methods. These developments led to denser coatings, featuring less porosity, and significantly cleaner coating chamber loading and...
Photonics Spectra, March 2016
Sensing with Fiber Bragg Gratings in Rapidly Rotating Structures
Although the main use for fiber Bragg gratings (FBG)1 has been in telecommunications (for multiplexing and demultiplexing different wavelength channels and dispersion compensation), FBGs are increasingly used to measure strain and temperature in...
Photonics Spectra, March 2016
Through the Spectrum
1666 Sir Isaac Newton discovers that the sun’s white light could be dispersed into a continuous series of colors using an instrument he invented — now called the spectroscope — essentially beginning the science of spectroscopy. In...
Photonics Spectra, February 2016
Spectroscopy Heading Toward 'Fantastic Voyage'
When Sir Isaac Newton discovered that the white light from the sun could be dispersed into a continuous series of colors — a phenomenon he described as a “spectrum” — he essentially started the engine for the science of...
Photonics Spectra, February 2016
Thin Film Inspection Methods Aim to Match Human Eye Perception
Thin-film coatings have long been ubiquitous in precision optical systems, and are now finding increasing use in eyeglasses, architectural glass and displays. When fabricating precision optics, the primary requirement is that coatings meet...
Photonics Spectra, February 2016
Member Exclusive
Advances Add Up For 3D Printing
For additive manufacturing, aka 3D printing, 2016 could be a very good year. Some big names are entering the field, advances promise better processing and signs point to movement into the mainstream. At the same time, the industry is working on...
Photonics Spectra, February 2016
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HUD Systems: Augmented Reality Is Coming to Your Windshield
Only a few short years ago, the use of displays in automobiles was considered a luxury spec reserved for high-end vehicles. Today, however, rapid developments in automotive infotainment and navigation systems have made displays a centerpiece in most...
Photonics Spectra, February 2016
For Data Center Challenges, Silicon Photonics Solutions
The opportunity for and challenge of silicon photonics lies in data centers and high-performance computing. An example was on display at an Optical Fiber Conference panel session held in Los Angeles last year. According to Yuval Bachar, at the time...
Photonics Spectra, March 2016
New Wearable Designs with Pulse Oximetry Don’t Miss a Beat
Pulse oximetry has been used since the 1970s, and has been widely adopted by hospitals to monitor oxygen (O2) saturation and pulse rate (PR) by attaching devices to a patient’s fingertip, forehead or earlobe. The application for these devices...
Photonics.com, March 2016
Bringing a Third Dimension to Laser Materials Processing
The use of laser light for materials processing has become a standard practice with widespread use in industry. The basic idea is to focus a laser beam onto a fixed working plane and create a spot of maximal intensity. At this position the laser...
Photonics.com, January 2016
The Role of Machine Vision in the Automotive Industry
In the United States, Japan, South Korea, Germany and other European countries, the automotive industry plays a major role in the manufacturing sector. The industry is characterized by highly automated mass production, strict quality requirements...
Photonics.com, March 2016
Prism Awards Highlight Photonics Innovation
SPIE Photonics West will take a break from plenary sessions, product demonstrations and research presentations for one night next month to honor the winners of the 2016 Prism Awards for Photonics Innovation. The ceremony will be held on Feb. 17...
Photonics Spectra, January 2016
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