搜索结果: 1-15 共查到“知识库 物理学 Characterization”相关记录56条 . 查询时间(0.628 秒)
Local characterization of one-dimensional topologically ordered states
Local characterization one-dimensional topologically ordered states
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2016/1/23
We consider one-dimensional Hamiltonian systems whose ground states display symmetry-protected topological order. We show that ground states within the topological phase cannot be connected with each ...
Characterization and Interactions of Ultrafast Surface Plasmon Pulses
Femtosecond pulse tracking Heterodyne detection Near-field scanning optical microscope Plasmonic nanostructures Spectral bandwidth Ultrafast Surface Plasmon
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2014/11/20
Surface Plasmon Polaritons (SPPs) are considered to be attractive components for plasmonics and nanophotonic devices due to their sensitivity to interface changes, and their ability to guide and confi...
Mineralogical characterization of Martian Jezero crater from MRO CRISM hyperspectral images
Planetary mapping Hyper spectral Minerals Mars
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2014/7/23
Martian mineral detection and mapping can provide important information and constraints on Martian aqueous history, which can be used to assess the potential habitability of Mars. The key parameters t...
Texture Analysis And Characterization Using Probability Fractal Descriptors
Pattern Recognition Fractal Dimension Fractal Descriptors
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2012/5/31
A gray-level image texture descriptors based on fractal dimension estimation is proposed in this work. The proposed method estimates the fractal dimension using probability (Voss) method. The descript...
Fabrication and characterization of an electrically contacted vapor cell
Fabrication and characterization electrically contacted vapor cell Atomic Physics
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2012/4/20
We demonstrate the use of electrically contacted vapor cells to switch the transmission of a probe laser. The excitation scheme makes use of electromagnetically induced transparency involving a Rydber...
Chemical Synthesis of Nano-Sized particles of Lead Oxide and their Characterization Studies
Nanoparticles lead oxide chemical method semiconductor band gap
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2012/4/19
The quantum dots of semiconductor display novel and interesting phenomena that have not been in the bulk material. The color tunability is one of the most attractive characteristics in II-VI semicondu...
Imaging power of multi-fibered nulling telescopes for extra-solar planet characterization
Fourier optics Nulling telescope Achromatic phase shifter Single-mode waveguide
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2011/8/18
Abstract: In this paper are discussed the nulling and imaging properties of monolithic pupil telescopes equipped with a focal plane waveguide array, which could be envisaged as precursor space mission...
Pound-locking for characterization of superconducting microresonators
Pound-locking superconducting microresonators
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2011/9/6
We present a new application and implementation of the so-called Pound locking technique for the interrogation of superconducting microresonators. We discuss how by comparing against stable frequency ...
Characterization of excited states of ultracold atoms in optical lattices
Characterization of excited states ultracold atoms optical lattices
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2011/9/15
Loading ultracold atoms in an optical lattice from a Bose-Einstein condensate is generally a nonadiabatic process resulting in the dynamical excitation of a wavepacket, a combination of several eigens...
Spectral and temporal characterization of a fused-quartz microresonator optical frequency comb
Spectral and temporal characterization fused-quartz microresonator optical frequency comb
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2011/9/1
We report on the fabrication of high-Q, fused-quartz microresonators and the parametric genera-tion of a frequency comb with 36 GHz line spacing using them. We have characterized the intrinsic stabili...
A Characterization of Entropy in Terms of Information Loss
Shannon entropy Tsallis entropy information theory measure-preserving function
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2011/7/27
Abstract: There are numerous characterizations of Shannon entropy and Tsallis entropy as measures of information obeying certain properties. Using work by Faddeev and Furuichi, we derive a very simple...
Element specific characterization of heterogeneous magnetism in (Ga,Fe)N films
Element specific characterization heterogeneous magnetism
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2010/11/18
We employ x-ray spectroscopy to characterize the distribution and magnetism of particular alloy
constituents in (Ga,Fe)N films grown by metal organic vapor phase epitaxy. Furthermore, photo-
electro...
Fabrication and characterization of a Ni-Mn-Ga uniaxially textured freestanding film deposited by DC magnetron sputtering
DC magnetron sputtering freestanding Ni-Mn-Ga thick film martensitic transformation
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2010/11/22
Homogeneous freestanding films have been obtained by the direct current (DC) magnetron sputtering technique using a sacrificial layer. After annealing, the films are crystallized with a strong out-of-...
Capacitance-voltage profiling techniques for characterization of semiconductor materials and devices
Capacitance-voltage profiling techniques characterization of semiconductor materials devices
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2010/11/23
This work re-defines the well-known C-V (capacitance-voltage)measurement technique, in the view of a new physics formula,discovered in 2006 [1].
Raman and optical characterization of multilayer turbostratic graphene grown via chemical vapor deposition
Raman optical characterization chemical vapor deposition
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2010/11/19
We synthesize large-area graphene via atmospheric-pressure (AP) chemical vapor deposition
(CVD) on copper, and transfer to SiO2 wafers. In contrast to low-pressure (LP) CVD on copper,
optical contra...