Niyom Lue,Jeon Woong Kang,Timothy R Hillman et al.
Niyom Lue et al.
We present an imaging modality capable of providing high-speed optical dispersion measurements of live cells. The technique permits wide-field measurement of the optical phase shifts introduced by a sample for multiple discrete wavelengths ...
David A Thayer,Yuting Lin,Alex Luk et al.
David A Thayer et al.
Due to the strong scattering nature of biological tissue, optical imaging beyond the diffusion limit suffers from low spatial resolution. In this letter, we present an imaging technique, laser-induced photo-thermal magnetic imaging (PMI), w...
A method to measure specific absorption rate of nanoparticles in colloidal suspension using different configurations of radio-frequency fields [0.03%]
利用不同配置的无线电频率场测量胶体悬浮中纳米粒子的比吸收率的方法
Dhivya Ketharnath,Rohit Pande,Leiming Xie et al.
Dhivya Ketharnath et al.
We report a method for characterization of the efficiency of radio-frequency (rf) heating of nanoparticles (NPs) suspended in an aqueous medium. Measurements were carried out for water suspended 5 nm superparamagnetic iron-oxide NPs with 30...
Electron spin resonance shift and linewidth broadening of nitrogen-vacancy centers in diamond as a function of electron irradiation dose [0.03%]
氮离子注入金刚石中氮空位色心的电子自旋共振线偏移和线宽研究
Edwin Kim,Victor M Acosta,Erik Bauch et al.
Edwin Kim et al.
A high-nitrogen-concentration diamond sample was subjected to 200-keV electron irradiation using a transmission electron microscope. The optical and spin-resonance properties of the nitrogen-vacancy (NV) color centers were investigated as a...
Ivo M Vellekoop,Meng Cui,Changhuei Yang
Ivo M Vellekoop
We demonstrate a method for phase conjugating fluorescence. Our method, called reference free digital optical phase conjugation, can conjugate extremely weak, incoherent optical signals. It was used to phase conjugate fluorescent light orig...
Biological colloid engineering: Self-assembly of dipolar ferromagnetic chains in a functionalized biogenic ferrofluid [0.03%]
生物胶体工程：功能性生物源铁磁流体中铁磁链的自组装
Warren C Ruder,Chia-Pei D Hsu,Brent D Edelman Jr et al.
Warren C Ruder et al.
We have studied the dynamic behavior of nanoparticles in ferrofluids consisting of single-domain, biogenic magnetite (Fe(3)O(4)) isolated from Magnetospirillum magnetotacticum (MS-1). Although dipolar chains form in magnetic colloids in zer...
Zhimin Li,Ronald T Wakai,Thad G Walker
Zhimin Li
The authors report on a rubidium atomic magnetometer designed for use in a shielded environment. Operating in the spin-exchange relaxation-free regime, the magnetometer utilizes parametric modulation of the z-magnetic field to suppress nois...
Application of well-defined indium tin oxide nanorods as Raman active platforms [0.03%]
明确界定的氧化锡纳米线作为拉曼活性平台的应用
Songqing Zhao,Yi Guo,Sheng Song et al.
Songqing Zhao et al.
We determine the surface enhanced Raman (SER) capability of indium tin oxide nanorods (ITO NRs) whose physical, chemical, and optical properties are precisely and uniformly controlled during synthesis. We demonstrate that the Raman intensit...
Observation of room-temperature negative differential resistance in Gd-doped Si nanowires on Si(110) surface [0.03%]
室温下Gd掺杂硅纳米线的负电阻温度系数效应观察研究
Ie-Hong Hong,Tsung-Ming Chen,Yung-Feng Tsai
Ie-Hong Hong
The massively parallel arrays of highly periodic Gd-doped Si nanowires (SiNWs) self-organized on Si(110)-16 × 2 surface were investigated by scanning tunneling microscopy and spectroscopy. These periodic Gd-doped SiNWs are atomically preci...
Mid-infrared photothermal heterodyne spectroscopy in a liquid crystal using a quantum cascade laser [0.03%]
基于量子级联激光器的液晶中中部红外光电热混频光谱学研究
Alket Mërtiri,Thomas Jeys,Vladimir Liberman et al.
Alket Mërtiri et al.
We report a technique to measure the mid-infrared photothermal response induced by a tunable quantum cascade laser in the neat liquid crystal 4-octyl-4'-cyanobiphenyl (8CB), without any intercalated dye. Heterodyne detection using a Ti:sapp...