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near infrared News
Mass-Production Method Aims to Drive Metalenses Toward Widespread Commercial Use
POHANG, South Korea, April 8, 2024 — With their ability to manipulate light and potential to drastically reduce the size and thickness of optical components, metalenses show great promise, especially for applications in the NIR region. However, tens of millions of won — thousands...
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...
Near-IR Biosensors Use DNA Anchors to Target Range of Molecules
BOCHUM, Germany, Aug. 10, 2023 — To build a flexible sensor for optically detecting a range of viruses and bacteria, a group of researchers from Ruhr University Bochum (RUB), the Fraunhofer Institute for Microelectronic Circuits and Systems (IMS), and ETH Zurich used...
Optical Measurements Combine for Early Metastasis Detection
BOSTON, Aug. 10, 2023 — Diffuse in vivo flow cytometry (DiFC), an optical technique developed at Northeastern University, enables fluorescence detection of tumor cells circulating in the bloodstream. It is a promising technique for detecting cancer that has metastasized....
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...
Thin-film Silicon Photodetector Rivals III-V Counterparts
DAVIS, Calif., Aug. 7, 2023 — Researchers at the University of California, Davis (UC Davis) are developing a strategy to boost the light absorption of thin silicon films. The team demonstrated silicon-based photodetectors with light-trapping micro- and nano-surface structures,...
European Initiative to Establish Standards for Diffuse Optics
BIRMINGHAM, England, June 20, 2022 — A collaboration between 12 European institutions aims to deliver performance assessment and standardization (PAS) in the field of diffuse optics (DO). DO analyzes how light is absorbed and scattered by biological tissues, using low-power...
Photothermal Process Irradiates Nanoparticles to Control Cell Activity
ST. LOUIS, Aug. 2, 2021 — Using nanoparticles as photothermal nanotransducers, scientists at Washington University in St. Louis demonstrated reversible modulation of electrical activity in excitable nerve and heart muscle cells. The biocompatible, minimally invasive approach...
Near-Infrared Hyperspectral Approach Quantifies Fat Distribution in the Liver
TOKYO, April 21, 2021 — Researchers from Tokyo University of Science and Osaka University used near-infrared hyperspectral imaging to quantitatively analyze the distribution of lipids in a mouse liver. The ability to do so, using hyperspectral imaging, charts a course for...
Waveguide Design Enables Transmission of Two Types of Light
NASHVILLE, Tenn., March 5, 2021 — Engineers from Vanderbilt University developed a method of simultaneously transmitting two types of optical signals across a single chip. The work may enable a dramatic increases in the volume of data a silicon chip can transmit over any period of...
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...
Near-IR Light Powers Molecular Motor with Low-energy Photons Via Antenna
GRONINGEN, Netherlands, Oct. 29, 2020 — Chemists at the University of Groningen have designed a near-infrared light-powered rotary motor, the type that can be used to deliver autonomous motion to a system, or to ensure that a system responds to a prompt on command. The chemists...
Fisheye Metalens Captures 180 Degree Panoramic Images
CAMBRIDGE, Mass., Sept. 23, 2020 — Researchers at MIT and the University of Massachusetts Lowell have developed a wide-angle metalens capable of producing 180° panoramic images. The design could be adapted for a wide range of applications, such as in smartphones and laptops,...
Using VIS-NIR Spectroscopy to Quantify Soil Contamination
LINCOLN, Neb., Aug. 18, 2020 — Researchers at the University of Nebraska-Lincoln have found a new method to assess oil contamination in soil by using VIS-NIR spectroscopy. The technique has significant advantages over previous methods. Traditional methods of analyzing samples are...
Fraunhofer ILT Project Demonstrates Thulium Laser Welding
AACHEN, Germany, July 21, 2020 — Using a thulium laser, a team from the Fraunhofer Institute of Laser Technology (ILT) has developed an innovative process for producing the smallest weld seams in transparent plastic components. The development builds on the successful completion of...
Hourglass-Shaped Silicon Photodiodes Provide Greater Sensitivity
POHANG, South Korea, Dec. 3, 2019 — A team of researchers from Pohang University of Science and Technology have developed near-infrared (NIR) photodiodes from silicon that are approximately one-third more sensitive than existing photodiodes. Existing NIR photodiodes are typically made...
Wearable NIRS Device Reveals How Seals Prepare to Dive
ST. ANDREWS, Scotland, June 24, 2019 — Scientists at the University of St. Andrews have created a wearable, noninvasive device based on near-infrared spectroscopy (NIRS) that can be used to investigate blood volume and oxygenation patterns in freely diving marine mammals, such as seals....
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...
Cancer Treatment Combines Phototherapy with Drug, Gene Therapy
CAMBRIDGE, Mass., Aug. 2. 2016 — A cancer treatment that combines light-based, drug and gene therapy has led to complete tumor remission when applied to non-resected tumors and to the absence of tumor recurrence when applied following tumor resection in a colon cancer mouse model....
NIR Hyperspectral Imaging Roots out Peanut Contamination
MADRID, April 7, 2015 — Near-infrared hyperspectral imaging could eliminate uncertainty for food producers required to include the warning “May contain peanuts” on their packaging. A team of researchers from Spain and France have adapted the technique to...
European Organizations Join Forces on BabyLux Project
BERLIN, BARCELONA, Spain, and MILAN, Feb. 19, 2014 — Several organizations from Italy, Spain, Germany and Denmark have come together with the common goal of reducing the risk of brain damage in premature babies from 25 to 20 percent.
Energetiq Implements Clean Manufacturing
WOBURN, Mass., Sept. 27, 2010 — Ultrahigh brightness light source manufacturer Energetiq Technology Inc. announced recently that it has built a clean manufacturing facility at its Massachusetts location. The 800 sq. ft. clean room will provide Class 1000 assembly capability...
Light Emitting Diodes - A Primer
Sep 29, 2008 — From the Web Exclusive, "Seeing the True Colors of LEDs."Light emitting diodes (LEDs) are semiconductors that convert electrical energy into light energy. The color of the emitted light depends on the semiconductor material and composition. The...
Seeing the True Colors of LEDs
Sep 29, 2008 — In applications where light emitting diodes (LEDs) are being viewed directly, or being used as illuminators, exact color is far more important than exact output in lumens or candela. The human eye is relatively insensitive to light intensity changes...
(24 results found)
April 2024
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