Results 21 to 30 of about 442,453 (293)

Recent advance of lanthanide luminescent materials in biological imaging

上海师范大学学报. 自然科学版, 2021
Due to the special structure of 4f electron layer, lanthanides have excellent spectral characteristics, such as sharp linear bands and relatively long excited state lifetime, which greatly improves their optical imaging performance and makes them a new ...
LI Mengmeng, JIAO Jingjing, YANG Shiping
doaj   +1 more source

THE ELECTRON-OPTICAL PROPERTIES OF IMAGE CONVERTER

Acta Physica Sinica, 1965
The field distribution and electron-optical properties of electrostatically-focused image converter with plane cathode are precisely determined by means of resistance network analogue and numerical computation. The axial potential distribution is found to be expressible by the empirical formula φ = A sinh kz. Graphs are given, showing the dependence of
null SHEN CHING-KAI, null CHOU MING, null NI TZE-CHUENG   +2 more
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Electron and ion stagnation at the collision front between two laser produced plasmas [PDF]

, 2009
We report results from a combined optical interferometric and spectrally resolved imaging study on colliding laser produced aluminium plasmas. A Nomarski interferometer was used to probe the spatio-temporal distribution of electron densities at the ...
C McLoughin, Doria D, J P Mosnier, J T Costello, National Institute of Standards, P Hayden, P Hough, Pretzler G, Ruiz-Camacho J, Rumsby P T, S S Harilal, Smith R A, T J Kelly   +12 more
core   +1 more source

Multiple Bioimaging Applications Based on the Excellent Properties of Nanodiamond: A Review

Molecules, 2023
Nanodiamonds (NDs) are emerging as a promising candidate for multimodal bioimaging on account of their optical and spectroscopic properties. NDs are extensively utilized for bioimaging probes due to their defects and admixtures in their crystal lattice ...
Xinyue Wang, Dandan Sang, Liangrui Zou, Shunhao Ge, Yu Yao, Jianchao Fan, Qinglin Wang   +6 more
doaj   +1 more source

Hyperspectral darkfield microscopy of single hollow gold nanoparticles for biomedical applications [PDF]

, 2013
Hyperspectral microscopy is a versatile method for simultaneous spatial and spectroscopic characterization of nonfluorescent samples. Here we present a hyperspectral darkfield imaging system for spectral imaging of single nanoparticles over an area of ...
Acimovic, Agathi Christofidou, Alkilany, Ament, Anker, Antonios G. Kanaras, Arvizo, Barreto, Bartczak, Becker, Bingham, Brown, Dreaden, Erathodiyil, Grabinski, Hutter, Johnson, Jun, Krpetic, Lassiter, Michalet, Mock, Murray, Natasha Fairbairn, Otto L. Muskens, Parak, Rosman, Saha, Schwartzberg, Sonnichsen, Tracey A. Newman, Urban, Van Dijk, Wu, Xie, Zhang, Zhang, Zhao   +37 more
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Integrating electron and near-field optics: dual vision for the nanoworld

Nanophotonics, 2014
The integration of near-field scanning optical microscopy (NSOM) with the imaging and localized excitation capabilities of electrons in a scanning electron microscope (SEM) offers new capabilities for the observation of highly resolved transport ...
Haegel Nancy M.
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Correlative light and electron microscopy using cathodoluminescence from nanoparticles with distinguishable colours [PDF]

, 2013
Correlative light and electron microscopy promises to combine molecular specificity with nanoscale imaging resolution. However, there are substantial technical challenges including reliable co-registration of optical and electron images, and rapid ...
Glenn, David R., Kasthuri, Narayanan, Lichtman, Jeff, Lo, P. K., Park, Hongkun, Schalek, Richard L., Trifonov, Alexei, Walsworth, Ronald L., Zhang, Huidan   +8 more
core   +1 more source

Photon gating in four-dimensional ultrafast electron microscopy [PDF]

, 2015
Ultrafast electron microscopy (UEM) is a pivotal tool for imaging of nanoscale structural dynamics with subparticle resolution on the time scale of atomic motion.
Baskin, John Spencer, Hassan, Mohammed T., Liu, Haihua, Zewail, Ahmed H.   +3 more
core   +2 more sources

Optic-Electronic Processing of Images

2018 XIV International Scientific-Technical Conference on Actual Problems of Electronics Instrument Engineering (APEIE), 2018
Experimental proof of functionality for potential combining optical and software methods for decating and investigation of images is considered. Checks and verifications using X-ray are one of the most effective methods for verification of heat-radiating elements.
openaire   +1 more source

Imaging of high-energy electron beam profile with optical diffraction radiation

Physical Review Special Topics. Accelerators and Beams, 2007
Optical transition radiation (OTR) has been widely used in electron beam profile imaging. Optical diffraction radiation (ODR) has recently been used to measure the electron beam’s transverse size with the angular distribution.
Dao Xiang, Wen-Hui Huang, Yu-Zheng Lin
doaj   +1 more source