Results 151 to 160 of about 229,398 (238)

A 1.5-GS/s 12-bit 58.9-dB SNDR Pipelined ADC with Weight-Regulated Dither-Based Interstage Gain Error Calibration. [PDF]

Sensors (Basel)
Xu S, Zhang Z, Zhang D, Wu G, Zhan L.
europepmc   +1 more source

Adaptive Spectral Analysis of Umbilical Venous Doppler Maternal–Fetal Power Ratio for Preeclampsia Risk Assessment

Journal of Ultrasound in Medicine, EarlyView.
Objectives To develop and evaluate adaptive spectral analysis for deriving the maternal–fetal power ratio (MFPR) from umbilical venous Doppler recordings and to assess MFPR for subsequent preeclampsia (PEC) risk discrimination across recording durations.
Jingyi Zhu, Gabriel Arenas, Xing Yao, Baris Oguz, Claudia Tawil, Ipek Oguz, Nadav Schwartz, Brett Byram   +7 more
wiley   +1 more source

Design-for-manufacture, fabrication, and assembly of an all-reflective freeform microscope objective. [PDF]

Light Adv Manuf
Bauer A, Hanninen AM, Clark S, Ferguson M, Nikolov D, Potma EO, Rolland JP.   +6 more
europepmc   +1 more source

Kinetic Study on the Reactions of Hydroxyl Radical with 1‐butene, Isobutene, and Trimethylpentene: Temperature and Pressure Dependence

International Journal of Chemical Kinetics, EarlyView.
ABSTRACT The temperature dependence of the reaction rate coefficients (k) for the reactions of hydroxyl radical with three alkenes was measured by using laser‐induced fluorescence techniques in the temperature range of 298–750 K. The negative temperature dependence of k was observed for each reaction in the low‐pressure range.
Ryota Fushimi, Tatsuo Oguchi
wiley   +1 more source

Automated alignment of XFEL nanofocusing mirrors via wavefront optimization. [PDF]

J Synchrotron Radiat
Yamada J, Yamaguchi G, Inoue I, Osaka T, Inubushi Y, Yabashi M.   +5 more
europepmc   +1 more source

Calibration‐Free Single‐Frame Super‐Resolution Fluorescence Microscopy

Laser &Photonics Reviews, EarlyView.
A deep learning framework reconstructs super‐resolved fluorescence images from a single dense camera frame, without any prior calibration or knowledge of the microscope. Trained solely on synthetic data, it generalizes across imaging setups and conditions.
Anežka Dostálová, Dominik Vašinka, Robert Stárek, Miroslav Ježek   +3 more
wiley   +1 more source

Dual‐Metasurface‐Integrated Fiber Array for Bidirectional Cylindrical‐Vector‐Beam Multiplexed Communication Using Off‐Axis Spatial Manipulation

Laser &Photonics Reviews, EarlyView.
A dual‐layer metasurface is integrated on a fiber‐array facet to realize compact, plug‐and‐play free‐space optical links with cylindrical vector beam (CVB) space‐division multiplexing. An optimized off‐axis collimation layer steers multiple channels, while a Dammann vortex layer performs polarization–topology conversion for bidirectional CVB (de ...
Xipeng Lu, Jinke Li, Jin Tae Kim, Shaoyan Li, Hongliang Li, Duk‐Yong Choi, Sang‐Shin Lee   +6 more
wiley   +1 more source

OneBoot GRU: Validation-Locked Polynomial Calibration for Level-Invariant Encrypted Inference. [PDF]

Entropy (Basel)
Song X, Chen Z, Chen L.
europepmc   +1 more source

Wavefront Shaping for Optimal Extinction of Focused Light by Individual Nanoscatterers

Laser &Photonics Reviews, EarlyView.
Wavefront shaping enables near‐complete optical extinction by nanoscatterers separated from a planar reflector. Time‐reversed emission profiles provide optimal illumination conditions, yielding 70% extinction from a single plasmonic nanoparticle and up to 90% from sub‐wavelength nanoparticle clusters, offering a promising route to efficient in‐ and out‐
Nick Feldman, Joris Pals, Arie J. den Boef, F. Javier García de Abajo, Lyubov V. Amitonova, A. Femius Koenderink   +5 more
wiley   +1 more source

Data-Driven Identification of Rational Nonlinear Dynamics in Biochemical Networks via an Implicit Singular Value Decomposition Based Framework. [PDF]

IET Syst Biol
Zhu H, Zuo L, Pan C, Jiang Q, Cao Z.
europepmc   +1 more source