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near-infrared News
Techniques Converge, Yield Attosecond Spectroscopy Milestone
BERLIN, March 5, 2024 — Researchers at the Max Born Institute in Berlin have demonstrated attosecond-pump attosecond-probe spectroscopy (APAPS) at a repetition rate of 1 kHz. The advance opens new avenues for the investigation of extremely fast electron dynamics in the attosecond regime. Current pump-probe setups for the investigation of attosecond phenomena typically pair a weak extreme ultraviolet (XUV) pulse generated through high harmonic generation with intense NIR pulses in the femtosecond range, with each
4D Printing Scheme Enables Light-Controlled Soft Robotics
ST. LUCIA, Australia, Jan. 15, 2024 — The process of 4D printing is an extension of 3D printing, in which solid objects are created using materials that can change shape when exposed to certain stimuli like heat, water or light. At the University of Queensland’s Australian...
Nanowire Single-photon Detector Lets Machines See Through Walls
TIANJIN, China, Dec. 5, 2023 — Using a superconducting nanowire single-photon detector (SNSPD) as the light-sensing element, researchers from Tianjin University demonstrated non-line-of-sight (NLOS) imaging at two infrared (IR) wavelengths, 1560 nm and 1997 nm. NLOS systems...
Light-Activated Metal Particles Deliver Targeted Cancer Treatment
NOMI, Japan, Aug. 15, 2023 — A research group from Japan Advanced Institute of Science and Technology (JAIST) developed light-activatable, liquid metal (LM) nanoparticles for cancer diagnosis and treatment via photoimmunotherapy. The LM nanoparticles can target and destroy...
NASA to Test Deep-Space Laser Communication on Psyche Mission
WASHINGTON, D.C., Aug. 9, 2023 — NASA’s Deep Space Optical Communications project will test the use of near-infrared lasers as potential replacements for the current radio frequency systems. The technology demonstration, scheduled to piggyback on the Psyche mission launching...
Novel Hybrid Material Facilitates Photon Upconversion
RIVERSIDE, Calif., June 26, 2023 — University of California, Riverside (UCR) researchers have designed a composite material that offers powerful photon upconversion capabilities and that could support a range of light-driven applications as a result. The composite is made from...
Near-Infrared Wavelength Specificity Yields Phototherapy Insights
ARLINGTON, Texas, June 19, 2023 — Transcranial photobiomodulation (tPBM) is an emerging form of light therapy that uses LEDs or low-intensity lasers that emit near-infrared (NIR) light to stimulate the brain. Although tPBM is in the early stages of development, it shows promise as a...
NIL Technologies Reports 94% Efficiency in Meta-Optical Lens
COPENHAGEN, Denmark, Oct. 13, 2021 — Optical solutions company NIL Technology (NILT) reports that is has designed, built, and characterized multiple meta-optical element (MOE) lenses with 94% absolute efficiency. The demonstration was done with 940-nm NIR lens, with results being...
Smart Necklace Tracks Facial Expressions
ITHACA, N.Y., Aug. 10, 2021 — Cornell University researchers have developed a smart necklace wearable device capable of tracking facial expressions using light. The device, NeckFace, continuously tracks full facial expressions using infrared cameras to capture images of the chin...
3 Combined Techniques Boost Imaging Precision
CHAMPAIGN, Ill., July 12, 2021 — Researchers from the University of Illinois Urbana-Champaign, working with domestic and international collaborators, have combined three imaging techniques to detect the timing and location of brain responses to a stimulus. The researchers said the...
Ultralow-Loss Mirrors Boost Spectroscopy, Detection
VIENNA, May 21, 2021 — Collaborators from industry and academia have demonstrated high-performance laser mirrors in the mid-infrared range that absorb fewer than 10 out of a million photons. The achievement, enabled by recent advancements in optical coating technology,...
Interferometry Enables Measurement of Brain Blood Flow, Activity
DAVIS, Calif., May 18, 2021 — A spectroscopy technique developed at the University of California, Davis (UC Davis) is able to noninvasively measure brain blood flow and activity. The method, called functional interferometric diffusing wave spectroscopy (fiDWS), has the potential...
Consortium Uses Infrared Imaging to Detect Brain Damage in Infants
BARCELONA, Spain, May 3, 2021 — Around 500,000 babies born each year develop brain damage that could be treated if caught in time; however, monitoring an infant’s brain is difficult. A device currently in development seeks to address that problem by enabling real-time...
Machine Learning-Enabled NIR Hyperspectral Imaging System IDs Hidden Tumors
TOKYO, Feb. 5, 2021 — Collaborating researchers from Tokyo University of Science, National Cancer Center Hospital East, and RIKEN Center for Advanced Photonics have developed a technology using near-infrared hyperspectral imaging (NIR-HIS) and machine learning that finds...
Endoscope Designed to Image 3D Visible, Near-Infrared Ranges
BEIJING, Dec. 24, 2020 — Researchers from the Chinese Academy of Science developed an endoscope capable of acquiring 3D visible light and near-infrared fluorescence images at the same time. The optical design combined high-resolution 3D imaging capabilities with the ability...
VASCOVID Project Seeks to Improve Patient Care
BARCELONA, Spain, Dec. 23, 2020 — A newly launched project, VASCOVID, has been selected as one of 23 initiatives from the EU’s recent call for coronavirus research projects. Led by professor Turgut Durduran and the medical optics group at ICFO, VASCOVID seeks to develop a...
Imaging Method Could Detect Liver Disease
BOSTON, June 24, 2020 — It’s currently difficult to screen for certain liver diseases and to monitor these conditions once they’re discovered. A team led by investigators at Massachusetts General Hospital and the Massachusetts Institute of Technology have...
National University of Singapore Develops Large-Area, Flexible NIR LEDs
SINGAPORE, Dec. 30, 2019 — A research team led by Tan Zhi Kuang from the Department of Chemistry and the Solar Energy Research Institute of Singapore (SERIS) has developed high-efficiency, near-infrared LEDs that can cover an area of 900 mm2 using low-cost solution-processing...
MIR Upconversion Imaging Could Speed Medical Diagnostics
LYNGBY, Denmark, June 4, 2019 — Researchers from multiple institutions collaborated to develop a way to translate information from the mid-infrared (MIR) region, where chemical signatures are most distinct, to the near-infrared (NIR), where existing camera technology is most...
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Wearable Sensors Challenge Traditional Medical Technology
Dec 4, 2018 — From Apple to Fitbit to Garmin to Google, in the U.S. alone, dozens of companies are producing wearable sensors that record our movements as well as basic health information. Many of these devices rely on optical telemetry to read information about...
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With Lasers, 3D Printing on a Miniature Scale
Aug 6, 2018 — Copies of buildings and the Statue of Liberty that are only microns tall — these are examples of what’s been done with three-dimensional nanolithography, known as 3D nanoprinting. Also possible today is the manufacturing of optical,...
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Laser System to Measure Air Pollution from Space Station
GREENBELT, Maryland, Sept. 9, 2014 — A laser system aboard the International Space Station will help scientists track pollution in the atmosphere.
Nanoscale Features Used to Color Plastics
KONGENS LYNGBY, Denmark, July 31, 2014 — Nanoscale structures could one day take the place of dyes in the production of colored plastics. A team from the Technical University of Denmark has found a more environmentally friendly way to produce such plastics, using the shapes of materials...
‘Metamirror’ Doubles Incident Light Frequency
AUSTIN, Texas, July 8, 2014 — A nanostructure produces nonlinear effects a million times greater than traditional, macro-scale nonlinear crystals, according to a team of researchers from Texas and Germany. This “metamirror” could enable miniaturized laser systems and...
‘Nanojuice’ Aids Intestinal Imaging
BUFFALO, N.Y., July 8, 2014 — A cocktail of fluorescent dyes and nanoparticles could aid in the diagnosis of gastrointestinal ailments. Researchers at the University at Buffalo say their “nanojuice” enables detailed images of the small intestines in mice when used in...
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April 2024
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