Microchip Magic: Twisted Crystals Unleash a New Era in Light Control
A new on-chip sensor using twisted moiré photonic crystals can precisely tune light properties in real time. This could ...
Twisted crystals open door to smaller, more powerful sensors for optical devices
Twisted moiré photonic crystals—an advanced type of optical metamaterial—have shown enormous potential in the race to ...
ePHOTOzine15d
Lenses and Optical Items Reviews
Our lens reviews offer detailed information on sharpness, distortion, bokeh, and all the other important factors that go into making a lens great. Our reviews give you all the information you need ...
Reuters20d
Nvidia CEO says power-saving optical chip tech will need to wait for wider use
Nvidia to use optical tech in networking chips, not GPUs Copper cables currently more reliable than optical connections Nvidia has backed startups working on co-packaged optics for AI chips SAN ...
IEEE20d
Polarization Insensitive Real-Time OWC Enabled by Multi-Mode Based Beam Shaping via Offset Launch
With the proposed configuration and coherent dual polarization QPSK (DP-QPSK) modulation, a real-time 10 Gb/s optical wireless link over 4.2 m free-space is experimentally demonstrated for multi-user ...
New York Post22d
Trump ties for highest approval he’s ever had — as more Americans say US is on right track than any time in 20 years: poll
The bad news is that Trump still has not won over a majority of Americans, and 54% said they disapprove of his handling of the economy — the first time he’s lost a majority on that issue in ...
IEEE27d
Modified Time-domain Backprojection Algorithm for SAR Frequency-domain Autofocus
Abstract: The Backprojection (BP) algorithm is a precise time-domain technique in Synthetic Aperture Radar (SAR) imaging, known for its robustness in scenarios where frequency-domain algorithms ...
C&EN27d
Raman-Polarization-Fluorescence Spectroscopic Lidar for Real-Time Detection of Humic-like Substance Profiles
Key Laboratory for Semi-Arid Climate Change of the Ministry of Education, College of Atmospheric Sciences, Lanzhou University, Lanzhou 730000, China ...