Time‐Stretched Interferometric LiDAR with Dispersive Wavenumber‐to‐Time Range Encoding
We present a time‐stretched interferometric LiDAR that directly encodes distance into time‐domain interference signals. Operating at 5 MHz with only millimeter‐level coherence length, the system measures up to 12 m with centimeter precision and resolution, achieving high‐speed 3D imaging and dynamic target detection without FFT processing or long ...
Dahun Jung +7 more
wiley +1 more source
Denoising eye movement signals using a novel signal processing framework to preserve oculomotor integrity in dyslexia. [PDF]
Gajendiran S, Sivagnanam Y.
europepmc +1 more source
Highly Versatile Real‐Time Optical Noise Filtering Through Temporal Cloaking
Conventional bandpass filtering strategies may be insufficient for recovering optical waveforms under extremely noisy conditions. We demonstrate a temporal‐cloaking denoising strategy enabled by the temporal Talbot effect, which concentrates the coherent signal of interest into short temporal slots while broadband noise remains temporally spread.
Majid Goodarzi +5 more
wiley +1 more source
Rician Likelihood Loss for Quantitative MRI With Self-Supervised Deep Learning. [PDF]
Parker CS +5 more
europepmc +1 more source
Uniformly Improving Maximum-Likelihood SNR Estimation of Known Signals in Gaussian Channels
E. Stathakis +3 more
semanticscholar +1 more source
Faraday–Ramsey Rotation in Ultrathin Alkali Vapor Cells as an Analogy to Atomic‐Beam Systems
This work demonstrates that ultrathin rubidium vapor cells can emulate atomic‐beam behavior through geometry‐dependent velocity filtering. Employing a spatially separated pump–probe scheme and Faraday–Ramsey rotation, the study reveals coherent atomic dynamics without buffer gas or anti‐relaxation coatings. This approach offers a compact pathway toward
Mark Dikopoltsev +4 more
wiley +1 more source
Signal transmission optimization of intelligent metasurface-assisted communication system based on improved DQNN. [PDF]
Sun J, Wei Z.
europepmc +1 more source
This review examines how optical coherence tomography transforms industrial inspection by delivering real‐time, micrometer‐resolution, depth‐resolved imaging. It surveys applications across display manufacturing, thin films, microelectronics, laser processing, and coatings, evaluates performance against conventional techniques, and highlights emerging ...
Nipun Shantha Kahatapitiya +7 more
wiley +1 more source
31P MRSI Coil Combination Using 23Na Sensitivity Information. [PDF]
Dai J +5 more
europepmc +1 more source
Mid‐Infrared Quantum Scanning Microscopy via Visible Light Beyond Spatial Correlations
This work introduces a raster‐scanning approach based on quantum imaging with undetected light (QIUL) that probes samples in the mid‐infrared (MIR) spectral range while performing detection in the visible domain. Unlike previous QIUL implementations, this technique operates independently of photon‐pair spatial correlations and relies solely on induced ...
Josué R. León‐Torres +6 more
wiley +1 more source

