Boundary-enhanced region-of-interest image reconstruction in propagation-based x-ray phase-contrast tomography [0.03%]
基于x射线相位衬度层析成像的边界增强感兴趣区域图像重建技术
Mark A Anastasio,Daxin Shi,Xiaochuan Pan
Mark A Anastasio
Propagation-based phase-contrast tomography is an imaging method that can reconstruct the distribution of the three-dimensional complex-valued refractive index distribution of an object. In many applications, a boundary-enhanced image is so...
Surface acoustic wave propagation properties in 0.67Pb(Mg(13)Nb(23))O(3)-0.33PbTiO(3) single crystal poled along [111](c) [0.03%]
0.67PMN-0.33PT单晶[111](C)取向极化时的表面声波传播特性
Xiuming Li,Rui Zhang,Naixing Huang et al.
Xiuming Li et al.
Surface acoustic wave (SAW) propagation properties in relaxor-based 0.67Pb(Mg(13)Nb(23))O(3)-0.33PbTiO(3) (PMN-33%PT) ferroelectric single crystals poled along [111](c) has been analyzed theoretically. We found that the X-cut PMN-33%PT has ...
High-speed tuning of visible laser wavelength using a nanoimprinted grating optical tunable filter [0.03%]
基于纳米压印光栅的可见光激光高速调谐技术
Nien-Tsu Huang,Steven C Truxal,Yi-Chung Tung et al.
Nien-Tsu Huang et al.
We report on a microelectromechanical tunable optical filter incorporating strain-tunable nanoimprinted elastomeric grating with a pitch varied by 18%. This device enables tuning of optical fiber-guided laser wavelength between lambda=473 a...
Rachel S Selinsky,David J Keavney,Matthew J Bierman et al.
Rachel S Selinsky et al.
A soft x-ray absorption and x-ray magnetic circular dichroism (XMCD) study of the ferromagnetism in solution-grown EuS nanocrystals (NCs) is reported. The absorption edges of Eu M(5) and M(4), S K, O K, and P K were probed to determine elem...
Ioan Marginean,Jason S Page,Ryan T Kelly et al.
Ioan Marginean et al.
An experimental study of pulsating electrosprays operated at subambient pressure is reported. The pressure domain that affords stable electrospray operation appears to be limited by the vapor pressure of the liquid. The voltage driving the ...
Soluble state high resolution atomic force microscopy study of Alzheimer's beta-amyloid oligomers [0.03%]
可溶状态下的阿尔兹海默症β淀粉样蛋白低聚物的高分辨原子力显微研究
Gajendra S Shekhawat,Mary P Lambert,Saurabh Sharma et al.
Gajendra S Shekhawat et al.
We report here the direct observation of high resolution structures of assemblies of Alzheimer beta-amyloid oligomers and monomers using liquid atomic force microscopy (AFM). Visualization of nanoscale features of Abeta oligomers (also know...
Strategies for nanoplasmonic core-satellite biomolecular sensors: Theory-based Design [0.03%]
基于理论的纳米等离激元核心-卫星生物分子传感器设计策略
Benjamin M Ross,John R Waldeisen,Tim Wang et al.
Benjamin M Ross et al.
We present a systematic theoretical study of core-satellite gold nanoparticle assemblies using the Generalized Multiparticle Mie formalism. We consider the importance of satellite number, satellite radius, the core radius, and the satellite...
B Naydenov,R Kolesov,A Batalov et al.
B Naydenov et al.
Diamond provides unique technological platform for quantum technologies including quantum computing and communication. Controlled fabrication of optically active defects is a key element for such quantum toolkit. Here we report the producti...
Characterization of optical microring ultrasound detector by using a high frequency focused photoacoustic transmitter [0.03%]
一种基于高频率聚焦光声发射器的光微环形谐振腔超声检测器特性分析方法
Hyoung Won Baac,Tao Ling,Sheng-Wen Huang et al.
Hyoung Won Baac et al.
We characterize a response of optical microring resonator to high frequency focused ultrasound. To properly evaluate the response over high frequency and broadband spectrum, we use a photoacoustic concave transmitter generating and subseque...
Detection of picomolar concentrations of lead in water using albumin-based fluorescence sensor [0.03%]
基于荧光的白蛋白基传感器检测飞摩尔浓度的铅离子
Anushree Saha,Vladislav V Yakovlev
Anushree Saha
Comprehensive analysis of fluorescence of albumin shows a weak fluorescence band at 430 nm, whose intensity exhibits a remarkable sensitivity to the presence of heavy ions in water. Using this fluorescence as a marker, as low as 10 pM conce...