Decay of oriented Rydberg wave packets excited with far-infrared radiation
... Stark states due to their coupling via the electric field. In Fig. 2 the calculated wave functions of both the red and blue states are shown in a contour plot. The calculations are done along the lines of Ref. @19#. The figure shows that the Stark states are indeed strongly oriented with respect to ...
... Stark states due to their coupling via the electric field. In Fig. 2 the calculated wave functions of both the red and blue states are shown in a contour plot. The calculations are done along the lines of Ref. @19#. The figure shows that the Stark states are indeed strongly oriented with respect to ...
Matter in Intense Laser Fields
... For laser intensities up to 1013 W/cm2 the response of the medium will be in the perturbative nonlinear regime, provided the applied intensity is higher than that required for a linear response. The nonlinear dependence of the susceptibility on the driving electric field will give rise to phenomena ...
... For laser intensities up to 1013 W/cm2 the response of the medium will be in the perturbative nonlinear regime, provided the applied intensity is higher than that required for a linear response. The nonlinear dependence of the susceptibility on the driving electric field will give rise to phenomena ...
EXPERIMENT 8. Monolayer Characterization: Contact angles
... Wear appropriate gloves, face shield, and apron when working with this.) Remove the substrate and rinse it thoroughly with water. Dry with a stream of nitrogen. After cleaning the substrate, we will immediately determine its refractive index and absorption coefficient. To do this place the sample on ...
... Wear appropriate gloves, face shield, and apron when working with this.) Remove the substrate and rinse it thoroughly with water. Dry with a stream of nitrogen. After cleaning the substrate, we will immediately determine its refractive index and absorption coefficient. To do this place the sample on ...
Single Particle Spectroscopy Study of Metal-Film
... interaction model. The experimental results suggest that low-loss silver nanoparticles can be used in surfaceenhanced spectroscopy studies throughout the entire visible spectrum. The use of frequency-tuned spherical metal nanoparticles on solid substrates could lead to thermally stable substrates fo ...
... interaction model. The experimental results suggest that low-loss silver nanoparticles can be used in surfaceenhanced spectroscopy studies throughout the entire visible spectrum. The use of frequency-tuned spherical metal nanoparticles on solid substrates could lead to thermally stable substrates fo ...
Single Particle Spectroscopy Study of Metal-Film
... interaction model. The experimental results suggest that low-loss silver nanoparticles can be used in surfaceenhanced spectroscopy studies throughout the entire visible spectrum. The use of frequency-tuned spherical metal nanoparticles on solid substrates could lead to thermally stable substrates fo ...
... interaction model. The experimental results suggest that low-loss silver nanoparticles can be used in surfaceenhanced spectroscopy studies throughout the entire visible spectrum. The use of frequency-tuned spherical metal nanoparticles on solid substrates could lead to thermally stable substrates fo ...
244065
... The interaction of photons with metallic nanoparticles and nanoantennas yields large enhancement and tight localization of electromagnetic fields in the vicinity of nanoparticles. In the first part of this study, the interaction of a spherical nanoparticle with focused beams of various angular spect ...
... The interaction of photons with metallic nanoparticles and nanoantennas yields large enhancement and tight localization of electromagnetic fields in the vicinity of nanoparticles. In the first part of this study, the interaction of a spherical nanoparticle with focused beams of various angular spect ...
Photodissociation of HBr. 1. Electronic Structure, Photodissociation
... state of HBr and its associated dipole moment.33-35 However, the number of calculations of the excited states is limited.14,36 Therefore, we have undertaken an ab initio investigation of the twelve electronic states, X1Σ+ (nondegenerate), 1Π (double degenerate), 3Π (sixfold degenerate) and 3Σ+ (thre ...
... state of HBr and its associated dipole moment.33-35 However, the number of calculations of the excited states is limited.14,36 Therefore, we have undertaken an ab initio investigation of the twelve electronic states, X1Σ+ (nondegenerate), 1Π (double degenerate), 3Π (sixfold degenerate) and 3Σ+ (thre ...
Remote Entanglement of Trapped Atomic Ions
... Free space photon mode quality from different Cd ions . . . . . . . . . . . . . . . . ...
... Free space photon mode quality from different Cd ions . . . . . . . . . . . . . . . . ...
18.1 Raman Scattering
... 18.1 Raman Scattering • an energy level diagram shows four types of scattering processes • Rayleigh scatter is due to microscopic refractive index changes, while Raman scatter is due to time-dependent changes in polarizability • scattering cross-sections are used to compare signal strengths from Ray ...
... 18.1 Raman Scattering • an energy level diagram shows four types of scattering processes • Rayleigh scatter is due to microscopic refractive index changes, while Raman scatter is due to time-dependent changes in polarizability • scattering cross-sections are used to compare signal strengths from Ray ...
Quasi-3D plasmonic coupling scheme for near-field optical lithography and imaging Y W
... beyond the diffraction limit and great efforts have been devoted to achieving high resolution and sensitivity. By working in the optical near field, people can utilize the large wave vector components in the evanescent waves created by a subwavelength aperture to selectively excite and probe the fea ...
... beyond the diffraction limit and great efforts have been devoted to achieving high resolution and sensitivity. By working in the optical near field, people can utilize the large wave vector components in the evanescent waves created by a subwavelength aperture to selectively excite and probe the fea ...
Model for estimating the penetration depth limit of
... technique for living tissue applications. First, the incident light fluence per pulse at the tissue surface has to be smaller than the tissue damage threshold ( 20 mJ cm −2 according to the ANSI medical safety standard [11]). We note that a pulsed light source is assumed as it yields more photons un ...
... technique for living tissue applications. First, the incident light fluence per pulse at the tissue surface has to be smaller than the tissue damage threshold ( 20 mJ cm −2 according to the ANSI medical safety standard [11]). We note that a pulsed light source is assumed as it yields more photons un ...
Strong enhancement of light extraction efficiency in GaInAsP 2D
... separated from electrodes. This paper discusses the extraction efficiency in 2-Darranged semiconductor microcolumns, designed like a 2-D photonic crystal. We can suppose three effects for the enhancement of the efficiency. The first one is the expanded escape cone of the internal light by a low effe ...
... separated from electrodes. This paper discusses the extraction efficiency in 2-Darranged semiconductor microcolumns, designed like a 2-D photonic crystal. We can suppose three effects for the enhancement of the efficiency. The first one is the expanded escape cone of the internal light by a low effe ...
Absorption & Emission
... Molar absorptivities (e) Molar absoptivities are very large for strongly absorbing chromophores (e >10,000) and very small if the absorption is weak (e = 10 to 100). The magnitude of e reflects both the size of the chromophore and the probability that light of a given wavelength will be absorbed wh ...
... Molar absorptivities (e) Molar absoptivities are very large for strongly absorbing chromophores (e >10,000) and very small if the absorption is weak (e = 10 to 100). The magnitude of e reflects both the size of the chromophore and the probability that light of a given wavelength will be absorbed wh ...
Micron-scale modifications of Si surface morphology by pulsed
... does not change significantly with F 0 . Integration of the relative height of the feature 兰 2 r⌬zdr shows that loss of material by evaporation or ablation is negligible under these conditions. We used plan-view transmission electron microscopy 共TEM兲 to confirm that the melt-zones recrystallize, a ...
... does not change significantly with F 0 . Integration of the relative height of the feature 兰 2 r⌬zdr shows that loss of material by evaporation or ablation is negligible under these conditions. We used plan-view transmission electron microscopy 共TEM兲 to confirm that the melt-zones recrystallize, a ...
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... If absorption length la is of the order of L 2 /l* or less, this result is modified by a factor of P/sinh(p), where p is (3L2/l*la)l/2 .1 2 In the present work we ignore absorption, as 1a is of the order of a few meters, and average pathlengths, which are of the order of L 2 /l*, are always less tha ...
... If absorption length la is of the order of L 2 /l* or less, this result is modified by a factor of P/sinh(p), where p is (3L2/l*la)l/2 .1 2 In the present work we ignore absorption, as 1a is of the order of a few meters, and average pathlengths, which are of the order of L 2 /l*, are always less tha ...
Optical amplifiers
... whisky goes into the student, but instantly comes back out, magnified several times with a flurry of liquid from the earlier pumping. And so the optical signal exits the EDFA having been increased in intensity several times over. Erbium has several energy levels, but its ions are usually in the grou ...
... whisky goes into the student, but instantly comes back out, magnified several times with a flurry of liquid from the earlier pumping. And so the optical signal exits the EDFA having been increased in intensity several times over. Erbium has several energy levels, but its ions are usually in the grou ...
Raman Scattering in Solids
... field2 and Einstein who explained the photoelectric effect3 prepared the ground for the study of inelastic light scattering processes. Since that time it has been clear that light can be described not only as an electromagnetic wave, but also as a particle "beam" consisting of single energy quanta. ...
... field2 and Einstein who explained the photoelectric effect3 prepared the ground for the study of inelastic light scattering processes. Since that time it has been clear that light can be described not only as an electromagnetic wave, but also as a particle "beam" consisting of single energy quanta. ...
Numerical modelling of LCD electro
... Light propagation in layered anisotropic absorbing media is evaluated with the methods that are based on Maxwell’s equations (Berreman 4×4-matrix approach). This approach can be simplified to yield methods with reduced computing time and sufficient accuracy for many problems (e.g. extended Jones 2×2 ...
... Light propagation in layered anisotropic absorbing media is evaluated with the methods that are based on Maxwell’s equations (Berreman 4×4-matrix approach). This approach can be simplified to yield methods with reduced computing time and sufficient accuracy for many problems (e.g. extended Jones 2×2 ...
Decoherence: Phases washed out or smeared recoil drift
... The description of decoherence by the decoherence function is more universal [5, 6, 8] than the recoil drift representation, but due to the approximation in Eq. (7) it neglects some details of the atomic motion, namely the shift of the envelope of the interference pattern [5]. On the other hand the ...
... The description of decoherence by the decoherence function is more universal [5, 6, 8] than the recoil drift representation, but due to the approximation in Eq. (7) it neglects some details of the atomic motion, namely the shift of the envelope of the interference pattern [5]. On the other hand the ...
Point-focus spectral splitting solar concentrator
... connection and the need for tunnel junctions between sub-cells further limit the design freedom. The resulting fabrication process of MJ cells, generally based on stacked mono-crystalline III-V materials, requires expensive epitaxial growth techniques and is, for this reason, economically viable for ...
... connection and the need for tunnel junctions between sub-cells further limit the design freedom. The resulting fabrication process of MJ cells, generally based on stacked mono-crystalline III-V materials, requires expensive epitaxial growth techniques and is, for this reason, economically viable for ...
Single Photon Sources - University of Rochester
... begin oscillating. Once these two requirements have been filled, the cantilever is ready to begin analyzing the surface of the sample, initiated with the “scan” button on the computer screen. 3.3 Fluorescence lifetime Fluorescence lifetime is obtained with a similar setup as the determination of ant ...
... begin oscillating. Once these two requirements have been filled, the cantilever is ready to begin analyzing the surface of the sample, initiated with the “scan” button on the computer screen. 3.3 Fluorescence lifetime Fluorescence lifetime is obtained with a similar setup as the determination of ant ...
Aluminum Zinc Oxide Transparent Conductors for Optical Cavity
... manufactured on flexible plastic substrates, which can weigh less than the inorganic devices and are easier to install in a variety of settings, since they can be fit to surfaces which aren’t flat. However, the power conversion efficiency of organic photovoltaics is not yet equal to that of the comm ...
... manufactured on flexible plastic substrates, which can weigh less than the inorganic devices and are easier to install in a variety of settings, since they can be fit to surfaces which aren’t flat. However, the power conversion efficiency of organic photovoltaics is not yet equal to that of the comm ...
Review on X-ray Detectors Based on Scintillators and CMOS
... radiographic films, scintillators are not essential, but they are generally used. In some imaging systems, such as computerized tomography and nuclear medicine imaging, an essential characteristic of the scintillators is used to advantage: they produce a flash of light proportional to the energy of ...
... radiographic films, scintillators are not essential, but they are generally used. In some imaging systems, such as computerized tomography and nuclear medicine imaging, an essential characteristic of the scintillators is used to advantage: they produce a flash of light proportional to the energy of ...
肖连团 - 山西大学
... wealth of nonlinear interactions between single emitters and single or few photons, which have been so far only achieved using sophisticated high-finesse microcavities. • Coherent preparation of a single molecule electronic state. ...
... wealth of nonlinear interactions between single emitters and single or few photons, which have been so far only achieved using sophisticated high-finesse microcavities. • Coherent preparation of a single molecule electronic state. ...
J. Phys. Chem. 1993,97, 2618
... matrices is either negligible or small with the ESIPT dynamics dominated by proton tunneling.”-I9 On the other hand, several laboratories have reported that in protic solvents the rate of proton transfer consists of both slow and fast component~.I~J@2~ The slow proton transfer component, k,~,,,depen ...
... matrices is either negligible or small with the ESIPT dynamics dominated by proton tunneling.”-I9 On the other hand, several laboratories have reported that in protic solvents the rate of proton transfer consists of both slow and fast component~.I~J@2~ The slow proton transfer component, k,~,,,depen ...