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optical devices News
Defined Limits Help to Solidify Use of Spaceplates in Optical Systems
ITHACA, N.Y., July 26, 2022 — Researchers at Cornell University have proposed a definition for the fundamental and practical limits of spaceplates, a technology developed to support the miniaturization of optical systems. According to the researchers, their attempt marks the first time spaceplate bounds have been identified. In optical systems, the free-space volume between the detector and the lens (or between lenses) allows light to acquire the distance- and angle-dependent phase necessary for the system to focus.
Liquid Silica Resin Optimizes 3D Printing for Complex Micro-Optics
TUCSON, Ariz., June 1, 2022 — A liquid silica resin (LSR) developed by researchers at the University of Arizona has proven successful as a 3D-printing medium for complex micro-optics. The organic-inorganic hybrid material has shown high curing speeds, better mechanical...
CMOS-Compatible Photodetector Spurs Possibilities in e-SWIR Band
MONTREAL, May 27, 2022 — High-bandwidth germanium-tin (GeSn) photodetectors, developed by a team at Polytechnique Montréal to support CMOS-compatible technologies in the extended shortwave infrared (e-SWIR) wavelength, could open the way for applications in ultrafast...
Glass-in-glass Fabrication Method Produces Complex Optics
WASHINGTON, D.C., April 21, 2022 — A manufacturing technique for creating microstructures by integrating two types of glass with different physical properties could provide a path to complex infrared (IR) optics to be used in spectroscopy, imaging, sensing, and other applications....
Modular Waveguide Represents Step Toward Faster Quantum Computers
TOKYO, April 14, 2022 — Researchers at the University of Tokyo generated strongly nonclassical light using a modular waveguide-based light source. The demonstration, which the researchers said is the first of its kind, is poised to benefit future work aimed at creating...
Thin Film Allows Metasurface Lens to Change Focus
WASHINGTON, D.C., Feb. 21, 2022 — A research team headed by Christopher Dirdal from SINTEF Smart Sensors and Microsystems in Norway has created a metasurface lens that uses a piezoelectric thin film to change focal length when a small voltage is applied. Because it is extremely...
Continuous-Wave OPA Supports Noise-Reduced Chip-Scale Optical Signal Processing
GOTHENBURG, Sweden, Oct. 8, 2021 — An optical amplifier developed at Chalmers University of Technology is poised to radically improve optical communications performance. The compact amplifier is designed to fit on a chip and amplify light without generating excess noise. Light-based...
Zapata Valencia Awarded 2021 Teddi C. Laurin Scholarship
PITTSFIELD, Mass., May 19, 2021 — Samuel Ignacio Zapata-Valencia has been awarded the 2021 Teddi C. Laurin Scholarship for his contributions to the field of optics and photonics. Zapata-Valencia, a master’s student at Universidad Nacional de Colombia Sede Medellin, is advised...
High-Performance Vector Polarizer Tailors Light
NANJING and TIANJIN, China and ORLANDO, Fla., Dec. 18, 2017 — A newly proposed design for a vector polarizer could enable flexible filtering of a wide range of light sources and the generation of new light states. The design can be used to tailor light intensity, phase and polarization. To increase polarizer...
Better Materials Could Advance Design of Dielectric Nanophotonic Devices
MOSCOW and SAINT PETERSBURG, Russia, July 25, 2017 — A team of physicists has conducted a comparative analysis of available high-index materials and existing fabrication techniques, examining their performance as optical nanoresonators. The systematic study has produced results that could optimize the...
Clues in the Altocumulous
Mar 30, 2016 — Clouds — those mesmerizing cotton puffs in the sky — cover some 70 percent of the earth’s surface at any given time. While they’re made up of mere water droplets and tiny ice particles, their complexity is reflected in their...
Material Could Provide Self-Cleaning, Waterproof Optics
PHILADELPHIA, Oct. 17, 2012 — Inspired by butterfly wings, a new material that repels water and shines with beautiful, brilliant hues could provide the foundation for optical devices that are self-cleaning and waterproof.
Ultrathin Coatings Exploit Optical Phenomenon
CAMBRIDGE, Mass., Oct. 15, 2012 — By exploiting an overlooked optical phenomenon, ultrathin metal surfaces were made to shine vibrant hues. The coatings that change color with only a few atoms’ difference in thickness could provide new possibilities for sophisticated optical...
IR Material Creates Holograms
DURHAM, N.C., March 19, 2012 — A newly developed metamaterial construct could create holograms in the infrared range for the first time.
Undergrad solves cloaking puzzle with slow light
ST. ANDREWS, UK – An undergraduate at the University of St. Andrews has overcome a major hurdle in the development of invisibility cloaks by adding an optical device into the cloak’s design that not only remains invisible itself, but also has the ability to...
Photonix Expo and Conference relaunched
TOKYO – Photonix Expo and Conference 2011 will bring together photonics industry representatives from across Asia and around the world. It will take place April 13-15 at Tokyo Big Sight Japan. The newly launched conference and expo combines the former...
Hamamatsu Photonics Europe Established
HAMAMATSU, Japan, Oct. 13, 2010 — Hamamatsu Photonics K.K. announced the establishment of Hamamatsu Photonics Europe GmbH as a 100 percent owned European headquarters at Herrsching, in the southwest of Munich, Germany. The creation of the new headquarters is part of the...
Light-Amplifying Metamaterial Created
WEST LAFAYETTE, Ind., Aug. 4, 2010 — Researchers have overcome a fundamental obstacle in using new "metamaterials" for radical advances in optical technologies, including ultrapowerful microscopes and computers and a possible invisibility cloak. The metamaterials have been...
Plastic Filter to Boost Optical Communication
TEL AVIV, Israel, May 5, 2010 — A new nano-based technology that can make computers and the Internet hundreds of times faster could make its way to the nanophotonics market within the next 5 to 10 years. Dr. Koby Scheuer of Tel Aviv University's School of Electrical...
Shrimp Eyes That Polarize
BRISTOL, UK, Oct. 26, 2009 – Mantis shrimp, found on the Great Barrier Reef in Australia, have the most remarkable and complex vision systems known to science. They can see in 12 colors – humans see in only three – and can distinguish between different forms of polarized light....
CAD Award
Oct 1, 2009 — Newark, N.J.-based Simphotek Inc. has been awarded a two-year $750,000 Small Business Technology Transfer Phase II contract by the US Air Force Office of Scientific Research. The grant will enable the company to continue developing optical...
Nanochain Faster Than Light
PHILADELPHIA, Aug. 20, 2008 – According to Einstein’s theory of relativity, the speed of light in a vacuum is the same for all observers, regardless of their relative motion or of the motion of the source of the light. In other words, this theory prohibits anything from moving...
NATURE AND OPTICS
Jun 1, 2007 — An addition to the “Press Monograph” series, the volume Optics Made Clear: The Nature of Light and How We Use It describes in a nontechnical style many of the natural phenomena caused by light and the optical devices that use it. It has a chapter on...
The Museum as Lab
Nov 1, 2006 — In a world of ever-increasing specialization, many people believe that cross-disciplinary approaches that encourage looking at the same subject from different angles boost creativity and foster the ability to “think outside the box.” Arthur David...
Luxtera Develops Single-Chip Dual XFP Transceiver
CARLSBAD, Calif. Aug. 23, 2006 -- Carlsbad-based Luxtera Inc. announced this week it has created its first single-chip integrated photonics-electronics device implemented in a standard CMOS process. The technology integrates high-performance optics and mainstream electronics on a...
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April 2024
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