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The Dawn of New Optics: Emerging Metamaterials
Science has long sought novel or modified materials that could reach beyond the conventional laws of optics to replace bulky glass and polymer optical components with flatter, more robust, lower-cost, stackable ones — perhaps even with subwavelength properties that could benefit virtually every light-enabled device from cellphones to microscopes.
Photonics Spectra, January 2019
Technological Synergies Move Spectroscopy Out of the Lab
Spurred by manufacturing advancements over the past decade, lasers, sensors, and imaging devices have become more compact and reliable. This progress has allowed spectroscopy to grow into new and diverse fields. The tabletop semiconductor laser, the...
Photonics Spectra, January 2019
Nonstop Photonics: Photonics West Energizes with Education, Events, Awards
With over 5000 presentations, more than 1300 exhibitors, 70 courses, three separate conferences, a two-day AR|VR|MR immersive, Prism Awards, a Startup Challenge, and a generous list of other special events, SPIE’s Photonics West will again be...
Photonics Spectra, December 2018
Lasers: A Unique Microscopy Source
The optical microscope dates back to the time of Galileo. For most of the past century, microscopy was widely regarded as a ubiquitous and extremely mature field. Today, the picture is very different. Optical microscopy is an incredibly dynamic...
Photonics.com, December 2018
Member Exclusive
For Self-Driving Cars, Sensors Galore
Self-driving cars bring both opportunities and challenges to photonics-based sensors. Autonomous vehicles will need dozens of sensors ofmany types — lidar, camera, radar, and ultrasonic — and many sensors on millions of vehicles make the...
Photonics Spectra, December 2018
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Fiber Optics Crucial to Future Datacom Transmission
Fiber optics technology plays a critical role within the telecommunications sector, thanks to the wide-scale and growing adoption of the technology in communication and data transmission services. Optical fibers are used in high-speed data transfer...
Photonics.com, December 2018
Photodetectors in Flow Cytometers
Flow cytometry is a technique that can provide quantitative and qualitative information about biological cells and microparticles. The information is in the light that has interacted with the cells as they pass one after another and one at a time...
Photonics Spectra, December 2018
Low-Powered VCSELs Find a Wide Variety of Uses
By the end of 2018, nearly 1 million sq ft of new production space will have opened in the previous two years — space dedicated to making some of the world’s smallest and least power-hungry lasers. Known as vertical-cavity...
Photonics Spectra, December 2018
Display Manufacturing Enriches High-Tech Products
Consumer electronics are growing more sophisticated, at breakneck speed and with remarkable advances in technology and refinement. A highly visible example is the ever-increasing picture clarity in large-screen TVs, and in the evolution of...
Photonics.com, December 2018
Nuances in Optical Design for Manufacturing
From time to time, a lens assembly that appears successful in the software stage encounters roadblocks once moved to manufacturing, assembly, and testing. Closing the loop between design and fabrication will result in fewer design iterations and...
Photonics Spectra, December 2018
Ultraprecise 3D Microprinting for Optical and Photonic Components
Miniaturization is the trend of downsizing devices and products, which is triggering technological innovation. Miniaturization down to the microscale means functional components are becoming even smaller and lighter and increasing the performance of...
Photonics.com, June 2019
Characterization of Optics for LiGO
Photonics Media contacted GariLynn Billingsley, senior optical engineer and Advanced LIGO COC group lead at Caltech, and she generously provided access to images documenting the preparation of “test masses” (mirrors) prior to their...
Photonics Spectra, November 2018
Member Exclusive
Optical Coating Innovations Push Performance
Optical coatings improve the performance of mirrors, lenses, and light-emitting or absorbing semiconductors by enhancing transmission and reducing reflection. They also harden surfaces, allowing components to withstand harsh environments or take...
Photonics Spectra, November 2018
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LIGO Continues Making Waves
It’s an incredible story: Building the Laser Interferometer Gravitational-Wave Observatory (LIGO) took a collaboration of over 1000 people, some $500 million in funding from the National Science Foundation over three decades, and a lot of...
Photonics Spectra, November 2018
Flexible Glass Substrates Enable Large-Scale Integration
A strong driving force toward increased interaction and connectivity runs through our society. And it does not end when people put down their smartphones, tablets, or smartwatches. The ability to enjoy constant connection to communication and...
Photonics Spectra, November 2018
Realizing the Promise of Silicon Photonics
The goal of photonics is to use light to perform functions traditionally handled by electronics, such as communications, data transmission, and information processing. Photonics as a practical endeavor began with the invention of the laser in 1960....
Photonics Spectra, November 2018
Tunable Laser Light Sources Advance Nanophotonics Research
A considerable part of contemporary photonics research that investigates the interaction of light with nanoscale objects — nanophotonics — is motivated by the commercial potential of real-world devices. A vast number of experimental...
Photonics Spectra, October 2018
Extreme Laser Stability Key to aLIGO and VIRGO Successes
By any measure, gravitational-wave detection and analysis has proved to be a spectacular success for “big science.” It also represents one of the singular achievements of the photonics community, pushing our industry’s technology...
Photonics Spectra, November 2018
Fiber Lasers Enable Advances in Product Technologies
Fiber lasers are a recognized powerhouse in the manufacturing sector of numerous industries because of the throughput, reliability, and low cost of operation they make possible for machines that cut, weld, mark, and micromachine materials. Specific...
Photonics Spectra, November 2018
For Welding Certain Metals, Blue Lasers Offer the Advantage
Industrial lasers now dominate many materials processing applications, such as welding, cutting, and cladding in fields as diverse as consumer electronics, automotive manufacturing, and defense. They offer a faster, more flexible, and more precise...
Photonics.com, September 2018
Ultrashort-Pulse Lasers Leave Their Mark
Lasers have long been important in manufacturing for their ability to leave a permanent mark for use in tracking and traceability or as a design element. Increasingly, manufacturers are turning to ultrashort-pulse (USP) lasers in the NIR, visible,...
Photonics.com, September 2018
Advances in Optical Coherence Tomography
Optical coherence tomography (OCT) is a high-resolution, three-dimensional, noninvasive imaging technique. It is often called an optical ultrasound because it relies on time-of-flight information, similar to ultrasound imaging, to obtain subsurface...
Photonics Spectra, October 2018
Industrial Sectors Headline VISION 2018
VISION 2018, the world’s leading biennial trade fair for machine vision, will run Nov. 6 to 8 at the Messe Stuttgart exhibition and trade fair center in Stuttgart, Germany, a city known as the No. 1 industry meeting point for machine vision....
Photonics Spectra, October 2018
Improving Additive Manufacturing with IR Cameras
3D printing is revolutionizing manufacturing. Also known as additive manufacturing (AM), 3D printing is unlike traditional machining techniques because it uses computerized or digital models to generate simple parts and complex components, and adds...
Photonics Spectra, October 2018
Member Exclusive
Optical Components Pushed to Precision, Tolerance Limits
From materials processing and automotive industries to next-generation inspection of semiconductors and laser surgery, the demand for high performance optical components has never been greater. Thanks to the increasing availability of low-price,...
Photonics Spectra, October 2018
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