Results 51 to 60 of about 5,014 (181)
Improving femtosecond laser pulse delivery through a hollow core photonic crystal fiber for temporally focused two-photon endomicroscopy [PDF]
, 2014 In this paper, we present a strategy to improve delivery of femtosecond laser pulses from a regenerative amplifier through a hollow core photonic crystal fiber for temporally focused wide-field two-photon endomicroscopy.
Choi, Heejin, So, Peter T. C.
core +1 more source
Advanced Science, EarlyView.This study introduces a versatile platform for quantifying three dimensional traction forces at bio‐adhesive interfaces. Integrating in situ stereo‐digital image correlation with finite element simulations allows for precise measurement of microscale displacements and traction forces in both dry and wet conditions.
Yingwei Hou, Fusheng Wang, Tao Liu
wiley +1 more source
Ultrasonic wave propagation in heterogenous media [PDF]
, 2012 The non-destructive testing of austenitic steel welds using ultrasound is of vital importance for assessing safety critical structures such as those found in the nuclear industry.
Bird, C. +3 more
core
Finite element analysis simulations for ultrasonic array NDE inspections [PDF]
, 2016 Advances in manufacturing techniques and materials have led to an increase in the demand for reliable and robust inspection techniques to maintain safety critical features.
Dobson, Jeff +6 more
core +1 more source
Ultra‐High Spin Hall Angle in Sputtered Sb2Te3 Topological Insulators via Pt Interfacial Engineering
Advanced Physics Research, EarlyView.Topological insulator Sb2Te3 demonstrates exceptional charge‐to‐spin conversion efficiency and thermal stability up to 400°C, showing great promise for spin–orbit torque memory applications. This study achieves high‐quality Sb2Te3 films on silicon substrates through optimized sputtering and introduces an ultrathin Pt interlayer to suppress interfacial ...
Qi Zhang +9 more
wiley +1 more source
Research of total-focusing-imaging based on phase coherence and dB amplitude enhancement
AIP AdvancesTo address the issue of weak defect visualization in the ultrasonic total-focusing method (TFM) after denoising, this paper integrates Phase Coherence Imaging (PCI) and dB amplitude enhancement (dB) with the TFM.
Nian Kun Pan, Bin Shao, Hua Chun Fang
doaj +1 more source
Sparse-TFM Imaging of Lamb Waves for the Near-Distance Defects in Plate-Like Structures
Metals, 2019 The ultrasonic phased array total focusing method (TFM) has the advantages of high imaging resolution and high sensitivity to small defects. However, it has a long imaging time and cannot realize near-distance defect imaging, which limits its application
Haiyan Zhang +5 more
doaj +1 more source
Comparative study of advanced image reconstruction algorithms for complex arbitrary components
Research and Review Journal of Nondestructive Testing, 2023 Accurate ultrasonic imaging and inspection of specimens with non-planar complex surfaces are often challenging from both transducer coupling and imaging perspectives.
Sumana Sumana +4 more
doaj +1 more source
Developing flaw sizing methodology in Total Focusing Method (TFM) by EDM calibration blocks
e-Journal of Nondestructive TestingThe Total Focusing Method (TFM) represents a significant advancement in ultrasonic inspection, delivering high-resolution imaging by leveraging phased array technology combined with sophisticated data processing algorithms. This synergy enables detailed visualization of flaws in various materials, thereby improving flaw detection and ...
Mohammad E Bajgholi +4 more
openaire +1 more source
Irrigation and Drainage, EarlyView.ABSTRACT Flow rates for applying nutrient solutions in hydroponic systems are empirically known, yet uncertainties remain regarding whether brackish water affects the optimal flow rate and, consequently, biomass production and allocation. This study evaluated whether variations in application flow rate affect coriander biomass when brackish water is ...
Raphaela Revorêdo Bezerra +7 more
wiley +1 more source