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photonics
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Ultrafast Laser Pulses Could Increase Data Storage Energy Efficiency
A recent discovery from the University of California, Davis (UC Davis), could enable faster and more efficient magnetic hard drives by using ultrafast laser pulses to process data. The findings could significantly reduce energy consumption for data centers.
The current hard drives used in data centers, while much cheaper than solid-state drives used by many commercial devices, are much slower and consume a lot of energy because they use a magnetic field to conduct heat through a wire coil each time an information bit is processed.
The research work at UC Davis sought to test whether domain walls in certain multilayered ferromagnets could remain stable at speeds >10 km/s — a speed that scientists recently predicted was...
Categorías: Sensores
TRUMPF Collaborates with The Exploration Company on Spacecraft Parts
TRUMPF is collaborating with European space-travel startup The Exploration Company on the construction of core components for spacecrafts designed for missions in the Earth’s orbit and to the moon. As early as the spring of 2024, The Exploration Company will use 3D printers from TRUMPF to print core components of the Huracán and Mistral engines for the Nyx Earth and Nyx Moon spacecraft in Planegg, Germany, near Munich.
The Exploration Company will use 3D printers from TRUMPF to produce core components for the propulsion systems of its Nyx spacecrafts, which it plans to send on missions in the Earth’s orbit, as well as missions to the moon. Courtesy of The Exploration Company.
According to Tobias Brune, responsible...
Categorías: Sensores
Infleqtion Acquires Two Silicon Photonics Firms
Quantum information company Infleqtion has acquired two integrated silicon photonics companies: SiNoptiq Inc. and Morton Photonics Inc. The acquisitions serve to expedite Infleqtion’s plans for chip-scale integration of lasers and atomic systems used for quantum sensing and computing, as well as to bolster its supply chain and manufacturing.
SiNoptiq is a developer of ultra-low loss photonic solutions based on silicon nitride. The company is headed by Dan Blumenthal, who will join Infleqtion as Chief Photonics Architect. Blumenthal will continue in his role as distinguished professor of Electrical and Computer Engineering and director of the Terabit Optical Ethernet Center at the University of California, Santa Barbara.
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SiNoptiq is a developer of ultra-low loss photonic solutions based on silicon nitride. The company is headed by Dan Blumenthal, who will join Infleqtion as Chief Photonics Architect. Blumenthal will continue in his role as distinguished professor of Electrical and Computer Engineering and director of the Terabit Optical Ethernet Center at the University of California, Santa Barbara.
...
Categorías: Sensores
Machine Learning Hones NIR-HSI’s Ability to Identify Liver Disease
A research team at the Tokyo University of Science (TUS) has combined NIR hyperspectral imaging (NIR-HSI) and machine learning to assess lipid content in the liver. The technique enables noninvasive diagnosis of steatotic liver disease (SLD), previously known as nonalcoholic fatty liver disease, which includes a range of conditions caused by fat buildup in the liver due to abnormal lipid metabolism.
Conventional testing for SLD has relied on performing biopsies, in which a tissue sample is taken from the liver for analysis. The method developed by TUS professor Kohei Soga and his team uses NIR light to visualize lipid content in the liver. NIR wavelengths can be used to identify fat distribution in the liver because they are long...
Categorías: Sensores
Deep Learning-Driven Terahertz System Captures Multispectral Images in Real Time
Researchers at UCLA have developed a focal plane array (FPA) capable of supporting real-time multispectral terahertz (THz) video in 3D. According to the team, led by UCLA professors Mona Jarrahi and Aydogan Ozcan, this is the first time a terahertz imaging system has been able to achieve real-time multispectral imaging with video capability while maintaining a high signal-to-noise ratio (SNR).
The terahertz spectrum is desirable due to its ability to penetrate opaque materials and provide unique spectral information on various chemicals, but practical implementation of this spectral region has been limited due to the slow speeds, high costs, and general complexity of current imaging systems. The problem, the researchers said, is the...
Categorías: Sensores
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