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Sensors & Detectors News
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 traditional intensity demodulation systems, the new phase demodulation method is structurally simple and is resistant to interference from light sources and the surrounding environment when the LITES technique is used. Diagram of the experimental
Quanergy, Teledyne FLIR Collaborate on Infrastructure Security
SAN JOSE, Calif., Sept. 12, 2023 — Lidar security solutions provider Quanergy and Teledyne FLIR have partnered to develop an integrated solution that addresses security challenges facing critical infrastructure environments. The collaborators will fuse Quanergy’s Q-Track 3D...
Complex Frequency Waves Counter Optical Losses in Superimaging
HONG KONG, Sept. 11, 2023 — Superlenses made of plasmonic materials and metamaterials can image features at the subdiffraction scale. However, intrinsic losses restrict the image resolution of superlenses, hindering their widespread use. To compensate for optical loss in...
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...
Computer Vision Enhanced Sensors Aid Mobility-Challenged Patients
POHANG, South Korea, Sept. 5, 2023 — Researchers from Pohang University of Science and Technology (POSTECH) have developed optical sensor technology to aid patients with limited mobility during their rehabilitation. The sensor integrates computer vision technology to help track muscle...
Skin-Like Microfiber Grating Gauges Cardiovascular Wellness
NANJING, China, Aug. 31, 2023 — According to the World Health Organization, 17.9 million people die annually due to cardiovascular diseases. Soft wearable devices are well suited for monitoring physiological signals from electrocardiogram, phonocardiogram, and pulse wave....
Novel Integration Helps Solve Imaging Bottleneck
LEUVEN, Belgium, Aug. 28, 2023 — Engineers at imec have integrated a pinned photodiode (PPD) structure in thin-film image sensors. According to the researchers, the addition of a pinned-photogate and a transfer gate into the thin-film image sensor architecture exploits the superior...
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...
Jenoptik Names Director of Corporate Identity, Communications; Ray Therapeutics Adds CDO: People in the News: 08/23/2023
JENA, Germany — Jenoptik named Sabine Klisch director of corporate identity and communications. Most recently, Klisch served as vice president of global marketing at MOSTLY AI, a startup in the field of AI-generated synthetic data based in Vienna. She spent most of...
Optical Processor Captures Scenes in Spatially Incoherent Light
LOS ANGELES, Aug. 22, 2023 — A research team led by professor Aydogan Ozcan at the University of California, Los Angeles (UCLA) developed a deep-learning-based approach to designing spatially incoherent, diffractive optical processors. The method provides a way to build...
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...
Cognex Q2 Revenue Declines 12%, a Result of Shrinking Demand for Capital Equipment
NATICK, Mass., Aug. 21, 2023 — Machine vision company Cognex reported its financial results this month, posting $242 million in revenue for the second quarter of the year, a 12% decline compared to the same quarter last year. The company attributed this decline to ongoing...
BAE Systems to Acquire Ball Aerospace
WESTMINSTER, Colo., Aug. 17, 2023 — Ball Corp. has reached an agreement to sell its aerospace business to BAE Systems for $5.6 billion in cash. BAE Systems is a provider of high-tech solutions for defense markets, including imaging, sensors, and optical displays, among others. Ball...
SuperLight Photonics Names CEO; Diamond Light Source Taps Leader: People in the News: 08/16/2023
ENSCHEDE, Netherlands — SuperLight Photonics, a developer of supercontinuum generation lasers, named Cees Links CEO. The University of Twente spinout is focused on applications spectrometry, OCT, crop management, surface inspection, and pollution detection enabled by PIC...
SPIE Optics + Photonics to Host Industry Leaders, Discuss the Best in Tech
SAN DIEGO, Aug. 14, 2023 — SPIE’s five-day Optics + Photonics trade show and exhibition will return to the San Diego Convention Center Aug. 20-24, with the company exhibition portion scheduled to run Aug. 22-24. Attendees can expect over 2200 presentations in a...
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....
IR Imager Merges AI, Thermal Physics to See in the Dark
WEST LAFAYETTE, Ind., Aug. 8, 2023 — Heat-Assisted Detection and Ranging (HADAR), a patent-pending thermal imaging technology from Purdue University, combines infrared (IR) imaging, machine learning, and thermal physics to visualize target objects in the dark as if it were broad...
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,...
Innoviz Technologies to Develop Lidar for BMW
TEL AVIV, Israel, Aug. 4, 2023 — Innoviz Technologies and the BMW Group are expanding their existing collaboration by starting a B-sample development phase for Innoviz’s second-generation InnovizTwo lidar sensor. Samples will be fabricated following BMW requirements. The...
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...
Ubicept Raises $8M in Seed Round
BOSTON, July 28, 2023 — Computer vision technology company Ubicept secured $8 million in a seed investment round to expand its team, secure further intellectual property rights, and provide product to more customers across several industries. Ubicept’s technology...
Perovskite Cells Meet Wearable Biosensor’s Power Demands
PASADENA, Calif., July 27, 2023 — Perovskite solar cells are providing a team at Caltech’s Heritage Medical Research Institute with an efficient power source for wearable sweat sensors that monitor a host of biomarkers associated with disease diagnostics and fitness levels....
Pixel-by-Pixel, Detector Captures Far-Away Targets in all Conditions
ALBUQUERQUE, N.M., July 27, 2023 — The capability to detect and track small, moving objects remotely, in all conditions, is crucial to many surveillance and monitoring missions. It is also an ongoing challenge. According to Tian Ma, a computer scientist at Sandia National...
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May 2024
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