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(38,299 articles)
Popular News
Field Tests Measuring Solar Panel Performance Could Help Improve PV Technology
MÜLHEIM AN DER RUHR, Germany, Jan. 9, 2020 — In a series of field tests performed at the Max Planck Institute for Chemical Energy Conversion (MPI-CEC), key parameters in solar panel performance were measured to gather data that can be used for choosing the most appropriate panel option for local conditions in terms of long-term performance. Five inorganic photovoltaic (PV) technologies representative of current options on the market were installed and measured: micromorph thin-film silicon, cadmium telluride,
The New Technologies Shaping Near-Infrared Spectroscopy
Jan 9, 2020 — Near-infrared (NIR) spectroscopy is the branch of vibrational spectroscopy related to the molecular absorption of light between ~750 to 2500 nm, which has a variety of industrial and medical applications. This region of the electromagnetic spectrum...
2-Photon Microscopy Shows Learning Involves Various Areas of Brain
BALTIMORE, Jan. 8, 2020 — To explore how learning and memory-building take place in the brain, scientists at Johns Hopkins University School of Medicine used a laser-assisted imaging tool to monitor and measure levels of AMPAR molecules, which help send messages between...
Nano-antennas Developed for Data Transfer at Light Speed
WÜRZBURG, Germany, Jan. 8, 2020 — Researchers from the University of Würzburg have developed an electrically driven nanoscale antenna that generates directed infrared light. The technology could be used to exchange data between different processor cores with little loss and at...
Laser Pulse Creates Nonlinear Effects in Amorphous Dielectric Material
ATLANTA, Jan. 8, 2020 — A new, all-optical technique for creating second-order nonlinear effects in materials that normally do not support them could lead to new options for creating these effects for optical computers, high-speed data processors, and bioimaging. A...
Quantum Dots Deliver Vaccines, Encode Vaccination History in the Skin
CAMBRIDGE, Mass., Jan. 7, 2020 — Using fluorescent quantum dots, an MIT research team has created a way to administer vaccinations and record a patient’s vaccination history in the skin. The researchers developed a microneedle platform that can selectively deliver...
Special Majorana-Like Vector Photon Beams
Jan 6, 2020 — A special, newly proposed photon called a “Majorana-like” photon possesses spin angular momentum (SAM) and orbit angular momentum (OAM) coupled together. Experiments with mouse brain tissue have revealed the plausibility of using these...
Osram, Rinspeed to Debut Modular Electric Vehicle at CES 2020
LAS VEGAS, Jan. 6, 2020 — Osram Opto Semiconductors Inc., a global high-tech lighting company, announced it is the exclusive lighting supplier for Rinspeed’s concept vehicle, MetroSnap, debuting at CES 2020. This is the fourth consecutive year that Osram has supported...
New Nano-Barrier for Composite Material Could Strengthen Spacecraft Payloads
GUILDFORD, England, Jan. 6, 2020 — Researchers at the University of Surrey have developed a robust nano-barrier for carbon fiber reinforced polymers (CFRPs) that could be used to strengthen and stabilize high-precision instrument structures for space missions. CFRPs are used in...
Chip-Based Optical Sensor Detects Cancer Biomarker in Urine
ENSCHEDE, Netherlands, Jan. 6, 2020 — Researchers from the University of Twente have used a chip-based sensor with an integrated laser to detect low levels of a cancer protein biomarker in a urine sample. The technology is more sensitive than previous designs and could lead to...
Lidar: A Technology at Use in Daily Life
Jan 6, 2020 — Lidars provide point cloud distribution — to represent the 3D environment — using the backscattering of a laser beam from the target surface. They have long been used for purposes of mapping and atmospheric sensing. Lidar is no longer a technology...
Wafer-Level Optics Enable Small-Form Photonic Sensors
Jan 6, 2020 — For many years, innovations in sensors for mass markets such as automotive, gaming, and consumer electronics have been driven by the microelectromechanical systems (MEMS) industry. MEMS-based sensors are well known to provide solutions for a...
LASER World of PHOTONICS China 2020 focuses on smart manufacturing
Jan 6, 2020 — LASER World of PHOTONICS China will celebrate its 15th year when it opens at Shanghai New International Expo Centre on March 18. The trade fair and conference, which runs until March 20, posted record numbers in 2019, with 65,705 visitors and 1177...
Ghost Imaging Speeds Up Superresolution Microscopy
SHANGHAI, Jan. 6, 2020 — Scientists from the Chinese Academy of Sciences have developed a new imaging technique that produces nm-scale resolution using significantly fewer images than traditional nanoscopy techniques. The scientists used ghost imaging to enhance the imaging...
Titan Enterprises Proposes Solution to Cooling World’s Most Sensitive Astronomical Camera
SHEFFIELD, England, Jan. 3, 2020 — Titan Enterprises Ltd., an international manufacturer of flow meters, has proposed an optical flow sensor technology to monitor the flow of coolant to the world’s largest optical telescope, the 10.4-m Gran Telescopio Canarias (GTC). HiPERCAM...
Multiple Properties of Quantum Materials Probed Simultaneously at Nano Resolution
NEW YORK and SAN DIEGO, Jan. 3, 2020 — Researchers at Columbia University and the University of California, San Diego, have used a combination of measurement techniques to simultaneously examine the electrical, magnetic, and optical properties of quantum materials. The work was inspired...
Researchers Create 3D-Printed Glass with Complex Geometry
ZÜRICH, Jan. 3, 2020 — Researchers from ETH Zürich have developed a technique to produce complex glass objects with 3D printing. The method is based on stereolithography, one of the first 3D-printing techniques developed during the 1980s. The researchers developed a...
Silver Improves Lightweight Monograin Layer Solar Cells
TALLINN, Estonia, Jan. 3, 2020 — Researchers at Tallinn University of Technology (TalTech) have increased the efficiency of next-generation thin-film solar cells by partially substituting copper with silver in absorber material. A thin-film solar cell consists of several thin...
The art of the possible
Jan 3, 2020 — As Photonics Spectra readers know, the January issue traditionally reports on trends. This issue is no exception and includes insightful trends in free-space communications (page 50), lidar (page 56), holography (page 68), and lasers (page 82)....
Quantum Sensors in Diamond Anvils Measure Materials Under Pressure
BERKELEY, Calif., Jan. 3, 2020 — To develop new, high-performance optical and electronic materials, scientists need to measure how material properties such as magnetism and strength change under extreme conditions. Diamond anvil cells have made it possible for scientists to safely...
STEVE, the enigmatic atmospheric phenomenon, explained (sort of)
Jan 2, 2020 — “I propose we call it Steve,” said photographer Chris Ratzlaff in a 2016 post in a Facebook group for aurora chasers. Ratzlaff was referring to an atmospheric optical phenomenon that appears as reddish and green light in the sky. The name “Steve” is...
Researchers Build Chip-Size Particle Accelerator
STANFORD, Calif., Jan. 2, 2020 — For the first time, scientists at Stanford University and the SLAC National Accelerator Laboratory have created a silicon chip that can accelerate electrons using an infrared laser to deliver, at less than a hair’s width, the sort of energy...
Circus Roncalli swaps live animals for ‘holographic’ videos
Jan 2, 2020 — The journey to cruelty-free circus acts began in 2020 not with a bang or clashing cymbals but with the whisper of discovery over centuries, and the curiosity of light. Around 500 B.C., Pythagoras said light emanated from a luminous object to the...
Scientists Develop Spectrometer to Detect Molecular Signatures
MUNICH, Jan. 2, 2020 — Scientists at the Laboratory for Attosecond Physics (LAP) have developed a spectrometer for the analysis of the molecular composition of biological samples, capable of detecting minimal variations in the chemical makeup of organic systems. The...
Brain Integrates Natural, Artificial Vision to Treat Blindness
RAMAT GAN, Israel, Jan. 2, 2020 — Researchers from Bar-Ilan University and Stanford University have reported evidence indicating that the brain knows how to integrate natural and artificial vision while maintaining processing information important to vision. The research shows...
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