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SPECTROSCOPY NEWS
Precise Measuring Tool for Light Source Could Advance Chipmaking ENSCHEDE, Netherlands, Sept. 19, 2023 — To improve the quality of microchips and make the chipmaking process more efficient, researchers at the University of Twente’s MESA+ Institute of Nanotechnology developed an extreme ultraviolet (EUV) broadband imaging spectrometer. The new spectrometer simultaneously measures the size and color of the light emitted by a plasma source. The ability to measure the size and color of the light at the same time could improve a crucial step in chipmaking — lithography — by
LITE Spectroscopy Resists Light Sources with Phase Demodulation HARBIN, China, Sept. 12, 2023 — A team at Harbin Institute of Technology led by professor Yufei Ma introduced an approach to phase demodulation of heterodyne light-induced thermoelastic spectroscopy (H-LITES) that uses a Fabry-Pérot interferometer (FPI). Compared with...
Ghent University, imec Spinout Axithra Raises $10M LEUVEN, Belgium, Sept. 7, 2023 — Axithra, a spinout of imec and Ghent University, has raised €10 million ($10.7 million) in a seed round to develop a chip-based Raman spectroscopy platform to monitor drug concentration in the blood. The seed round, which saw backing from...
Apollon, MIT to Collaborate on Noninvasive Glucose-Monitoring Technology SEOUL, South Korea, Aug. 28, 2023 — Seoul-based medical technology startup Apollon Inc. will collaborate with MIT’s Laser Biomedical Research Center (LBRC) to develop and conduct clinical trials of noninvasive continuous glucose monitors (CGMs) using Raman spectroscopy. Though...
Line-Scan Raman Spectroscopy Detects Micro- and Nanoplastics CHANGCHUN, China, Aug. 25, 2023 — Raman spectroscopy is a useful tool for identifying microplastics — plastic particles smaller than 5 mm — although conventional point confocal Raman methods are limited to single-point detection, limiting the detection speed. A line-scan...
Amplitude-Only Light Modulator Could Improve Photonic Device Efficiency EXETER, England, Aug. 21, 2023 — A thin-film, amplitude-only spatial light modulator made from phase-change-based material was developed by researchers at the University of Exeter and the Institute of Optics in Madrid. The device operates in reflection and modulates the amplitude...
Optical Measurement Methods Combine to Detect Early Signs of Metastasis 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....
Red MicroLED Developer Secures Funding; Hesai Collaborates with NVIDIA: Week in Brief: 08/04/23 PALO ALTO, Calif., Aug 4, 2023 — Lidar developer Hesai Technology collaborated with NVIDIA to integrate Hesai’s AT128 automotive-grade, ultrahigh-resolution long-range lidar into the NVIDIA DRIVE and NVIDIA Omniverse ecosystems. Hesai’s AT128 lidar comprises128...
Spectroscopy and Machine Learning Pair to Automate Sorting of Recyclables TIANJIN, China, Aug. 3, 2023 — Researchers at Hefei University of Technology have demonstrated the use of laser-induced breakdown spectroscopy (LIBS) to automatically identify, classify, and subclassify recyclable waste in real time. The resource re-use application enabled the...
Lens Fabrication Method Clears Way for Portable Gas Sensor's Preferred Light Source TOULOUSE, France, July 31, 2023 — Researchers from the University of Toulouse have developed a method to fabricate a microlens that could enable more effective portable gas sensing technologies. The researchers used two-photon-polymerization 3D printing to fabricate a microlens that...
Hamamatsu Refiles for NKT Photonics Acquisition; Photonis Adds El-Mul: Week in Brief: 07/28/23 HAMAMATSU, Japan, July 28, 2023 — Through its existing European subsidiary Photonics Management Europe srl, Hamamatsu Photonics submitted an application to the Danish Business Authority to acquire shares in NKT Photonics. The acquisition would result in NKT being made subsidiary to...
Microscopy Method Uses Infrared Light to Image Molecules with Vibrational Contrast PASADENA, Calif., July 7, 2023 — The complementary strengths of fluorescence and vibrational microscopy are combined in a new technique developed at Caltech, which is called bond-selective fluorescence-detected infrared-excited spectro-microscopy (BonFIRE). BonFIRE will benefit...
Resolve Optics Opens Test Center: Week in Review: 07/07/23 CHESHAM, England, July 7, 2023 — Resolve Optics installed and commissioned a new vibration test center adding to the suite of in-house lens-testing equipment the company is able to offer. Lenses used in harsh industrial inspection and military and space applications are often...
Time-Resolved Spectroscopy Peers in on Irreversible Phenomena OTTAWA, Ontario, June 26, 2023 — A team of researchers at the University of Ottawa developed a terahertz (THz) spectroscopy technique for recording movies in real time at 50,000 fps. High-speed video captures and slow-motion movies allow scientists to observe the mechanical...
ADVA Rebrands as Adtran Networks SE; Swave Photonics Adds Investment Capital: Week in Brief: 06/23/23 MUNICH, June 23, 2023 — ADVA Optical Networking SE’s proposed name change to Adtran Networks SE was approved by the 2023 Annual General Meeting of ADVA Optical Networking SE on May 24. The change was registered in the commercial register of the local court of Jena,...
Thermo Fisher Acquires Raman Specialists MarqMetrix WALTHAM, Mass., June 22, 2023 — Thermo Fisher Scientific has acquired MarqMetrix, a privately held developer of Raman-based spectroscopy solutions for in-line measurement. Based in Seattle, MarqMetrix provides in-line process analytical technology (PAT) for precise measurements...
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...
Camera Tech Holds Promise for Plastics Recycling AARHUS, Denmark, June 8, 2023 — Due to the diverse nature of the materials used to make plastics, as well as additives such as dyes and flame inhibitors, plastic recycling poses significant challenges. According to Bjarke Jørgensen, head of research and development at...
Breakdown Spectroscopy Modifications Set Sensitivity Benchmarks SHANGHAI, June 7, 2023 — Researchers at East China Normal University have developed a trio of techniques to elevate the sensitivity of ultrafast laser-induced breakdown spectroscopy (LIBS). The techniques — plasma grating-induced breakdown spectroscopy (GIBS),...
Metasurface Spectrometer Points to On-Chip Integration EDINBURGH, Scotland, June 5, 2023 — Spectrometers typically use optical elements such as diffraction gratings and prisms to achieve the dispersion necessary to measure the properties of light over a specific portion of the spectrum. The use of free-space optical elements, along with...
PhotonDelta and Research Partner Apply Integrated Photonics to Agrifood WAGENINGEN, Netherlands, May 18, 2023 — During the Post Harvest Unlimited Conference held this week at Wageningen University in the Netherlands, PhotonDelta and OnePlanet Research Center launched the Integrated Photonics for Agrifood roadmap. The roadmap, according to PhotonDelta, lays...
FPGA-Based Data Compression Drives Brain Imaging Performance Gains EDINBURGH, Scotland, May 17, 2023 — To help broaden the use of single-photon avalanche diode (SPAD) cameras for multispeckle diffuse correlation spectroscopy (DCS), researchers at the University of Edinburgh developed a data compression scheme for a large-pixel-count SPAD camera using...
IDEX Corp. Acquires Iridian Spectral Technologies NORTHBROOK, Ill., April 27, 2023 — Illinois-based IDEX Corp. has agreed to acquire Iridian Spectral Technologies, an Ottawa, Ontario-based developer and manufacturer of optical filters for applications spanning remote sensing, medical and biophotonics, and telecom/datacom. The deal,...
Dark Autoionizing States Enhance EUV Laser Power QUEBEC CITY, April 27, 2023 — Researchers led by Tsuneyuki Ozaki and François Légaré at the Institut national de la recherche scientifique (INRS) in Quebec have developed a method that could bring extreme ultraviolet (EUV) femtosecond lasers out of...
Nanoscale Spectroscopy Supports Optoelectronic Device Architectures POHANG, South Korea, April 20, 2023 — 2D semiconductors based on heterostructures are attracting attention as potential next-generation materials for the electronics industry. However, it is challenging to commercialize these materials because the physical properties of their...
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