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freeform optics News
Member Exclusive
Consumer AR/VR Headsets Focus on Nontraditional Optics
Mar 25, 2019 — The promise of commercial augmen-ted and virtual reality (AR/VR) technologies seems always to be just around the corner. Nearly three decades have passed since the Sega Corporation announced its Sega VR gaming headset, which was one of the first of its kind. But the Japanese company could not produce it in volume for home use. North Inc.’s Focals glasses allow wearers to discreetly view notifications from their smartphones. Courtesy of North Inc. Despite enthusiasm for such
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Optical Components Pushed to Precision, Tolerance Limits
Aug 25, 2018 — 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,...
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Optics: Trends, Challenges, and the Future
Aug 4, 2018 — Optical technologies are integral to devices such as sensors, microscopes, and lasers. Today, there is much emerging for optical systems, including freeform optics, that has prompted new capabilities in manufacturing. However, freeform optics’...
Capasso Group Develops Flat Lenses with Same Technology Used to Make Chips
CAMBRIDGE, Mass., July 5, 2018 — Optics and lenses are everywhere. They’re in laptops, cameras, and telescopes. Focusing the entire visible spectrum with lenses has been a challenge because each wavelength moves through materials at different speeds. Red wavelengths will move...
Freeform Optics Design Approach Uses Starting-Point Geometries
ROCHESTER, N.Y., June 25, 2018 — Researchers have developed a step-by-step design method for determining which freeform surfaces will work best in a given configuration. The new method, which combines theory and practice, could eliminate the time-consuming, expensive process of...
Multidisciplinary Initiative Investigates Light as an Energy Source
SANTA BARBARA, Calif., May 21, 2018 — An interdisciplinary group of scientists is embarking on a five-year project to explore the use of photoswitches to develop a next generation of devices that operate mechanically upon exposure to light. The goal of the $7.5M project, called the...
Innovations in Lens Measurement
Jan 29, 2018 — Automobile cameras, telescopes, head-mounted displays, laser-focusing heads and other modern photonic devices incorporate high-grade optics that can perform under extreme environmental conditions. The demand for such lenses means they must be...
Researchers Use Multiplexing to Improve Quantum Memory Capacity
WARSAW, Poland, Dec. 29, 2017 — Researchers have built a quantum memory-enable source of spatially structured nonclassical light, based on a principle of wavevector multiplexing. The high-capacity memory, which is based on a group of laser-cooled atoms, can store up to 665 quantum...
Complex States of Light Generated via Metasurface
CAMBRIDGE, Mass., Nov. 7, 2017 — Researchers have designed a method for converting arbitrary spin angular momentum (SAM) states of light into total angular momentum states. This method is characterized by the superposition of independent orbital angular momentum (OAM), and could...
Optics: Form, Function and the Future
Oct 3, 2017 — For all of their diversity of form and function, the vast range of available optical components and optical fibers have much in common — materials, engineering and design, and techniques in fabrication and metrology. And they are among the...
Photorealistic 3D Renderings Accurately Digitize Transparent Objects
KONGENS LYNGBY, Denmark, Sept. 28, 2017 — The ability to create detailed, 3D digital versions of clear objects and their surroundings has been difficult for researchers because of the different modalities required to digitize objects with diffuse reflectance properties. Scientists from the...
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Via Photonics, Secure Communications
Jun 13, 2017 — Much of the world’s communications travel by light. So, data carried on photons moving through free space or over fiber must be made as secure as possible. Quantum key distribution helps do that. Also, security improvements via temporal...
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Interweaving Photonics Research, Industry
May 4, 2017 — Laser World of Photonics provides a spotlight for promising newcomers, industry veterans and innovative companies. And with tens of thousands of people from countries around the globe attending the show, that spotlight is huge. In 2015, the biennial...
Artificial Photocatalyst Used to Harness Light, Drive Chemical Reactions
LONDON, April 17, 2017 — An artificial photocatalyst material made from metal nanoparticles has been developed that could be used to harvest the sun’s energy more efficiently, for use in solar and other applications. Nanostructured materials that demonstrate plasmonic...
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Great Strides in Optical Fabrication
Aug 31, 2016 — In 2018, a six-and-a-half-meter mirror made up of 18 hexagonal segments will quietly unfurl 1.5 million km from Earth, marking the end of years of intense research and refining of optics fabrication techniques. In the silence of space, the James...
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Evans Appointed to PowerPhotonic Board
DALGETY BAY, Scotland, June 20, 2016 — Micro-optic technology developer PowerPhotonic Ltd. has appointed David Evans to its board of directors. Evans has been directing Financial Times Stock Exchange companies for more than 20 years. He spent his early career at GEC Marconi, which led to...
NASA Exploring Freeform Optics for Compact Space Telescopes
GREENBELT, Md., Nov. 6, 2015 — Freeform optics technology allows telescope mirrors to take almost any shape, potentially improving image quality over a larger field of view. Prompted by advances in computer-controlled fabrication and testing, NASA engineers are now using freeform...
Cloaking Principle Could Boost Solar Cell Performance
KARLSRUHE, Germany, Oct. 6, 2015 — Invisibility cloaking may be a long way from reality, but the principle could help improve the performance of solar cells in the near term. In a series of simulations, researchers at the Karlsruhe Institute of Technology have demonstrated how cloaks...
Optics, Fabrication: Changes, Challenges and Progress
Oct 6, 2015 — Optics and optics fabrication have seen a lot of interesting changes and challenges over the past 25 years. Aspheres are among them. Once a seemingly impossible task, manufacturing them has since become cost-effective. Precision aspheres are even...
An Optical View
Oct 6, 2015 — ‘New optical systems are … in need of robust solutions and improvements in hardware and software. There is still a lot of work to be done.’ — Mike Bechtold, OptiPro Systems The optics and optics fabrication industries have...
Optics, Photonics Programs Are Lighting the Way
Sep 1, 2015 — While schools nationwide are welcoming students for the start of the new academic year, we profile three of the country’s top university optics and photonics programs — oldest to newest — that are shaping the future of the...
Education Fuels the Future
Sep 1, 2015 — Researchers, scientists and industry experts (no matter their amount of “in-field” experience) must stay current with scientific understanding and technological advances if they expect to succeed in the future. They must continually...
Space-Based Optics Are Taking Off
Jun 26, 2015 — Exciting times are on the horizon for space optics as the market evolves, customer needs change and the demand for products intensifies. A mixture of advancements in optical technology, more efficient manufacturing processes, and innovative...
Displays You Wear
Apr 24, 2015 — Challenges still exist in the development of wearable devices, but continued advances may ultimately change how people interact with the world around them. It’s a case of a sight for sore eyes and other body parts, with display advances...
Edmund, Luxexcel Partner on 3-D Printed Optics
BARRINGTON, N.J., Feb. 18, 2015 — Edmund Optics has partnered with LUXeXceL Group BV of the Netherlands to develop 3-D printed plastic optical components. Luxexcel’s patented Printoptical technology uses additive manufacturing techniques to create smooth, transparent optical...
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May 2024
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