Label-free Imaging of Arterial Cells and Extracellular Matrix Using a Multimodal CARS Microscope [0.03%]
利用多模态CARS显微镜对动脉细胞和基质进行无标记成像研究
Han-Wei Wang,Thuc T Le,Ji-Xin Cheng
Han-Wei Wang
A multimodal nonlinear optical imaging system that integrates coherent anti-Stokes Raman scattering (CARS), sum-frequency generation (SFG), and two-photon excitation fluorescence (TPEF) on the same platform was developed and applied to visu...
In Vivo Monitoring of Multiple Circulating Cell Populations Using Two-photon Flow Cytometry [0.03%]
利用双光子流式细胞术对多种循环细胞群体进行体内监测
Eric R Tkaczyk,Cheng Frank Zhong,Jing Yong Ye et al.
Eric R Tkaczyk et al.
To detect and quantify multiple distinct populations of cells circulating simultaneously in the blood of living animals, we developed a novel optical system for two-channel, two-photon flow cytometry in vivo. We used this system to investig...
M E Durst,G Zhu,C Xu
M E Durst
Simultaneous spatial and temporal focusing (SSTF), when combined with nonlinear microscopy, can improve the axial excitation confinement of wide-field and line-scanning imaging. Because two-photon excited fluorescence depends inversely on t...
Optical Fourier techniques for medical image processing and phase contrast imaging [0.03%]
用于医学图像处理和相位对比成像的光学傅立叶变换技术
Chandra S Yelleswarapu,Sri-Rajasekhar Kothapalli,D V G L N Rao
Chandra S Yelleswarapu
This paper briefly reviews the basics of optical Fourier techniques (OFT) and applications for medical image processing as well as phase contrast imaging of live biological specimens. Enhancement of microcalcifications in a mammogram for ea...
Compact CH4 sensor based on difference frequency mixing of diode lasers in quasi-phasematched LiNbO3 [0.03%]
基于准相位匹配LiNbO3中二极管激光器差频混频的便携式CH4传感器
D G Lancaster,R Weidner,D Richter et al.
D G Lancaster et al.
A compact, portable and robust room temperature CH4 sensor is reported. By difference frequency mixing a 500 mW alpha-DFB diode laser at 1066 nm and an erbium-doped fiber amplified 1574 nm DFB diode laser in periodically poled lithium nioba...