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spectroscopy News
OLED Pumping Enables Electrically Driven Semiconductor Lasing
ST. ANDREWS, Scotland, Oct. 6, 2023 — Researchers at the University of St. Andrews demonstrated an electrically driven, organic semiconductor laser using a new approach that could improve the performance of this class of laser and further the development of ultrafast, organic optoelectronics applications. The researchers used indirect OLED pumping to power the laser. They built an integrated device structure that efficiently coupled an OLED that had very high light output with a polymer-based, distributed feedback
Terahertz Generation Method Targets Ultrafast Electronics
SHANGHAI, Oct. 3, 2023 — Terahertz (THz) waves can be used to probe the magnetic properties of new materials. Efficient THz wave generation could advance applications in energy harvesting, ultrafast electronics, and THz spectroscopy. Bright, coherent THz light sources can...
Berthold Leibinger Awards Honor Laser Research at the Limits
DITZINGEN, Germany — In 2000, Berthold Leibinger, the man who brought laser technology into Germany’s TRUMPF Group, established the Innovation Award — expressed in native German as the “Innovationspreis” — to honor outstanding R&D in...
Spectroscopy Rides a Rising Tide of Water-Monitoring Applications
Oct 1, 2023 — In 2018, when California became the first state to pass legislation requiring the measuring of microplastics in drinking water supplies, it essentially set off a competition that would pit photonic technologies against one another as well as...
Monroe CC Awarded $5M by DOD; ASMPT AMICRA, Teramount Collaborate on Silicon Photonics Packaging: Week in Brief: 09/29/23
ROCHESTER, N.Y., Sept. 29, 2023 — Monroe Community College received a $5.1 million grant from the Department of Defense’s Manufacturing Engineering Education Program (MEEP) to fund its optics and photonics associate degree programs. The funding is part of $53 million recently...
Spectrometer Aims to Further Refine Lithography
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...
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...
Imec Spinout Axithra Raises $10M for Chip-based Raman Tech
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 Collaborate on Noninvasive Glucose-Monitoring Tech
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...
High-speed Raman Method 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 Modulator Targets 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 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....
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, Machine Learning Pair to Ease Recyclables Sorting
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 Clears Way for Sensor's Optimal 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...
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April 2024
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