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Education News
Gel Filters Various Wavelengths of Light as its Temperature Changes
GAITHERSBURG, Md., July 18, 2022 — A colloidal gel developed at the National Institute of Standards and Technology (NIST) has demonstrated that it can control structural color and light transmission. Called SeedGel by its creators, the material was originally developed for industrial and bioengineering use. The researchers have now found a new use for the gel as a temperature-sensitive light filter. According to researcher Yun Liu, a scientist at the NIST Center for Neutron Research (NCNR) and a professor at the University
3D Holographic Display Achieves Wide Viewing Angle
BEIJING, July 15, 2022 — A Beihang University research team created a holographic 3D display system that widens its viewing angle and enlarges image size through the simultaneous implementation of two different hologram generation methods. The system features a tunable...
Integrated Photonics Processor Outperforms Wireless Systems
MILAN, July 13, 2022 — An international team led by researchers at the Politecnico di Milano has devised a way to separate and distinguish optical beams even when the beams are superimposed, and even when the form in which the beams arrive at a destination is drastically...
Diamond Defects Boost Magnetic Field Sensing for Brain Activity Mapping
MELBOURNE, Australia, July 12, 2022 — A team from Fraunhofer Institute for Applied Solid State Physics (Fraunhofer IAF), with diamond sensing technology experts from RMIT University, demonstrated that magnetic-field-dependent emission from nitrogen-vacancy (NV) centers in diamond...
Fiber Photometry Manages, Records Brain Activity at Same Time
BEIJING, July 12, 2022 — Researchers at Tsinghua University and Huazhong University of Science and Technology have developed an all-fiber-transmission photometry system that permits optogenetic manipulation and multicolor recording of neuronal activities and...
Bio-Instrument Aims to Bring Life on Other Planets Into View
HONOLULU, July 11, 2022 — The Compact Color Biofinder, an imaging device developed by researchers at the University of Hawai’i at Manoa, demonstrated the ability to detect biofluorescence signals from trace amounts of organic matter from a distance of a few centimeters...
3 Quantum Startups Receive Cash Injections
GARCHING, Germany, July 8, 2022 — Quantum computing startup planqc closed a financing round of €4.6 million ($4.67 million) led by UVC Partners and Speedinvest. With the funding, planqc will develop a highly scalable quantum computer operating at room temperature and based on...
Signal Sorting Method Suppresses Noise in STED Microscopy
BELLINGHAM, Wash., July 8, 2022 — Researchers from Zhejiang University have proposed a novel microscopy method that selectively and effectively suppresses background noise in the existing technique of stimulated emission depletion (STED) microscopy. Background noise is considered a...
Matt Eichenfield Named SPIE Endowed Chair: People in the News: 07/06/22
WASHINGTON, D.C., July 6, 2022 — Matt Eichenfield, a specialist in quantum photonics and distinguished member of the technical staff at Sandia National Laboratories, has joined the University of Arizona’s Wyant College of Optical Sciences as the inaugural SPIE Endowed Chair...
The Second Quantum Revolution Needs Reinforcements
Jul 5, 2022 — The infancy of the second quantum revolution is upon us. A century of studying and modeling of quantum mechanics defined the first revolution. But today we are exploiting those mechanics with increasing precision to introduce disruptive applications...
High-Throughput Imaging Links Microbial Metabolism With Cell Identity
BOSTON, July 5, 2022 — An imaging platform for investigating microbiomes in medical and environmental samples can perform high-throughput metabolism and identity analyses with single-cell resolution. Called SRS-FISH, or stimulated Raman scattering two-photon fluorescence...
Ultrathin Light-Field Imaging Film Yields Vivid 3D Images
WASHINGTON, D.C., June 30, 2022 — Soochow University researchers developed an ultrathin film based on light-field imaging — a technology that creates 3D images by capturing the direction and intensity of all light rays in a scene. The 25-µm-thick film, which is made with...
STEM Programs Struggle to Satisfy the ‘Endless Demand’ for Photonics Talent
Jun 29, 2022 — Earlier this year, at a major recruitment event at the University of Arizona’s Wyant College of Optical Sciences (OSC), the job openings listed outnumbered students in attendance. This imbalance exemplifies the immense pressure STEM programs...
Nonlinear Optical Sensor Avoids Precision/Speed Trade-Off
AMSTERDAM, June 29, 2022 — An optical measurement method devised by a team of AMOLF researchers aims to simplify and streamline the ability to capture measurements from signals that are barely larger than the noise contained in the same system. The newly introduced approach...
Light-Matter Coupling Makes Dark Semiconductor Glow
OLDENBURG, Germany, June 28, 2022 — Researchers from the University of Oldenburg have introduced a light-matter coupling mechanism to make the 2D semiconductor material tungsten diselenide (WSe2) glow — marking a step toward the control of the properties of matter through light...
Air Lasing Augments Spectroscopic Method for Remote Detection
SHANGHAI, June 24, 2022 — Researchers at the Shanghai Institute of Optics and Fine Mechanics (SIOM) demonstrated how air lasing, a technique deployed in ambient air that is induced by femtosecond laser pulses and that generates cavity-free amplification in the air, could be...
Comparative Study Shows Efficacy of Fiber Laser Treatment for Pediatric Urinary Condition
BOSTON, June 23, 2022 — In a study examining endoscopic treatments for urinary stones in pediatric patients, researchers at Boston Children’s Hospital found that use of thulium fiber lasers may improve patient outcomes. The researchers compared results of laser...
Erbium-doped Amplifiers are Repackaged into Waveguide Form
LAUSANNE, Switzerland, June 21, 2022 — Researchers at École polytechnique fédérale de Lausanne (EPFL), led by professor Tobias J. Kippenberg, fabricated an erbium-doped waveguide amplifier on a compact photonic chip using erbium ion implantation and a silicon nitride...
Light-Activated Nanomachines Combat Bacterial Infections
HOUSTON, June 20, 2022 — Rice University researchers have developed visible-light-activated molecular machines that kill antibiotic-resistant bacteria in minutes by targeting the bacteria’s membranes. This approach to treating drug-resistant infections, which uses...
On-Chip Neural Network Classifies Images Almost Instantaneously
PHILADELPHIA, June 17, 2022 — An optical deep neural network integrated on a chip could be a significant advancement for image classification technology. Its on-chip neural network can recognize and classify an image in less than a nanosecond. Further, the photonic neural...
Microarray Formation Maximizes Quantum Dot Color Conversion
BEIJING, June 16, 2022 — To enhance the color conversion process of quantum dots for use in LEDs, micro-LEDS, near-field displays, and other devices, researchers from Beijing Institute of Technology have developed perovskite quantum dot (PQD) microarrays. The assembly...
Light Beam Observation Extends Beyond Spectrum of Disorder
ROSTOCK, Germany, June 14, 2022 — Researchers from the University of Rostock and the Technion, Israel Institute of Technology demonstrated a mechanism that prevented lightwaves from spreading freely. The underlying physical effect was previously considered too weak to fully arrest...
Deep Learning Enables Structured Light 3D Polarimetric Imaging
NANJING, China, June 13, 2022 — Researchers at Nanjing University of Science and Technology demonstrated a dual-frequency multiplexing fringe projection profilometry (FPP) technique that is enabled by deep learning. The researchers said their approach to FPP, which is a noncontact...
Yao Fan Awarded 2022 Teddi C. Laurin Scholarship
PITTSFIELD, Mass., June 10, 2022 — Yao Fan, a doctoral student at Nanjing University of Science and Technology (NJUST), was awarded the 2022 Teddi C. Laurin Scholarship for her contributions to the field of optics and photonics. Fan’s research interests include quantitative...
STMicroelectronics Makes Metasurface Tech from Metalenz Available to Consumers: Week in Brief: 06/10/22
NEW YORK, June 10, 2022 — S&P Dow Jones Indices announced that ON Semiconductor will replace IPG Photonics in the S&P 500. IPG Photonics will replace Yelp Inc. in the S&P MidCap 400. SANTA CLARA, Calif. — Integrated photonics company ANELLO Photonics...
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