
Probing the Electronic Structure of Complex Systems by ARPES
... surface, and escape of the photoelectron into vacuum after transmission through the surface potential barrier. This is the most common approach, in particular when photoemission spectroscopy is used as a tool to map the electronic band structure of solids. However, from the quantummechanical point o ...
... surface, and escape of the photoelectron into vacuum after transmission through the surface potential barrier. This is the most common approach, in particular when photoemission spectroscopy is used as a tool to map the electronic band structure of solids. However, from the quantummechanical point o ...
Oxidation of some Late Transition Metal Surfaces: Structural studies
... lattice, and thus the interference pattern, does not only consist of delta-functions. Fig. 3.7 shows a simulation of the intensity variations along a row of reciprocal lattice points perpendicular to the surface, for different penetration depths. The two extremes, scattering in a single layer and an ...
... lattice, and thus the interference pattern, does not only consist of delta-functions. Fig. 3.7 shows a simulation of the intensity variations along a row of reciprocal lattice points perpendicular to the surface, for different penetration depths. The two extremes, scattering in a single layer and an ...
Novel 3-D microscopy techniques - Purdue University Cytometry
... submicrometer resolution down to a depth of a few hundred microns. • 2-p microscopy separates excitation and emission light more effectively • All the emitted photons from multi-photon excitation can be used for imaging (in principle) therefore no confocal blocking apertures have to be used. ...
... submicrometer resolution down to a depth of a few hundred microns. • 2-p microscopy separates excitation and emission light more effectively • All the emitted photons from multi-photon excitation can be used for imaging (in principle) therefore no confocal blocking apertures have to be used. ...
Poster Board | 120 Poster Board | 123 Poster Board | 125 Poster Board
... probe these properties, we investigate the third-order, coherent anti-stokes (CAS) response of individual SWCNTs using a dual color, four-wave-mixing technique. Despite SWCNTs being nanoscale objects much smaller than the wavelength of light, the CAS response allows single SWCNTs to be optically ima ...
... probe these properties, we investigate the third-order, coherent anti-stokes (CAS) response of individual SWCNTs using a dual color, four-wave-mixing technique. Despite SWCNTs being nanoscale objects much smaller than the wavelength of light, the CAS response allows single SWCNTs to be optically ima ...
A Study of the Phenomenon of Spontaneous Parametric Down
... the behavior of light in a non-linear medium in which the dielectric polarization P~ of the medium responds non~ of the light [1]. A parametlinearly to the electric field E ric non-linearity is an interaction in which the quantum state of the non-linear material is not changed by the interaction wit ...
... the behavior of light in a non-linear medium in which the dielectric polarization P~ of the medium responds non~ of the light [1]. A parametlinearly to the electric field E ric non-linearity is an interaction in which the quantum state of the non-linear material is not changed by the interaction wit ...
Laser Molecular Spectroscopy CHE466 Fall 2007
... Population Inversion Schemes The efficiency of a laser is related to its ability to sustain a population inversion and regenerate a population in the low energy state to initiate a new pumping cycle. As you may see a 2 level laser would be very inefficient, because a population inversion may not be ...
... Population Inversion Schemes The efficiency of a laser is related to its ability to sustain a population inversion and regenerate a population in the low energy state to initiate a new pumping cycle. As you may see a 2 level laser would be very inefficient, because a population inversion may not be ...
Semiconductor lasers Nobel Lecture, December 11, 1964
... (I) The creation of quantum frequency oscillators of high stability and the transition to atomic standards of time made it possible to raise the question of solving the problem of the properties of atomic time. Dicke 2 in his paper at the first conference on quantum electronics pointed out the possi ...
... (I) The creation of quantum frequency oscillators of high stability and the transition to atomic standards of time made it possible to raise the question of solving the problem of the properties of atomic time. Dicke 2 in his paper at the first conference on quantum electronics pointed out the possi ...
Nikolai G. Basov - Nobel Lecture
... (I) The creation of quantum frequency oscillators of high stability and the transition to atomic standards of time made it possible to raise the question of solving the problem of the properties of atomic time. Dicke 2 in his paper at the first conference on quantum electronics pointed out the possi ...
... (I) The creation of quantum frequency oscillators of high stability and the transition to atomic standards of time made it possible to raise the question of solving the problem of the properties of atomic time. Dicke 2 in his paper at the first conference on quantum electronics pointed out the possi ...
PDF
... Linear optical quantum computation (LOQC) has recently attracted great interests following the suggestion [1] that a scalable quantum computer based on linear optical components is possible. It has also been known that linear optical systems could achieve non-scalable quantum computation by encoding ...
... Linear optical quantum computation (LOQC) has recently attracted great interests following the suggestion [1] that a scalable quantum computer based on linear optical components is possible. It has also been known that linear optical systems could achieve non-scalable quantum computation by encoding ...
Lecture_1
... charge neutrality, so any deformation in ionic solids must be large enough to move the atoms back into registry. Metals do not have this restriction. Hence, ionic solids are brittle, while metals are ductile. ...
... charge neutrality, so any deformation in ionic solids must be large enough to move the atoms back into registry. Metals do not have this restriction. Hence, ionic solids are brittle, while metals are ductile. ...
is it possible to know about something without ever interacting with it?
... The trouble is that the bomb is designed in such a way that any interaction with light, even a very soft photon bouncing on bomb's sensor, causes an explosion. The task therefore seems to be impossible, and in classical physics it surely is. However, our interaction-free q u a n t u m measurement yi ...
... The trouble is that the bomb is designed in such a way that any interaction with light, even a very soft photon bouncing on bomb's sensor, causes an explosion. The task therefore seems to be impossible, and in classical physics it surely is. However, our interaction-free q u a n t u m measurement yi ...
VISUAL PERCEPTION
... color detectors have been corroborated by spectrophotometric measurements on single cones, for example in the goldfish retina [4]. Three kinds of cones correspond to the three different absorption maximum, as shown in figure 12. Thus, each class of cone absorbs photons in a band about its maximum (R ...
... color detectors have been corroborated by spectrophotometric measurements on single cones, for example in the goldfish retina [4]. Three kinds of cones correspond to the three different absorption maximum, as shown in figure 12. Thus, each class of cone absorbs photons in a band about its maximum (R ...
Quantum fluids of light
... Integer quantum Hall effect for photons (in spite of no Fermi level) Photon phase observable => expts sensitive to gauge-variant quantities!! T. Ozawa and IC, Anomalous and Quantum Hall Effects in Lossy Photonic Lattices, PRL (2014) ...
... Integer quantum Hall effect for photons (in spite of no Fermi level) Photon phase observable => expts sensitive to gauge-variant quantities!! T. Ozawa and IC, Anomalous and Quantum Hall Effects in Lossy Photonic Lattices, PRL (2014) ...
Chapter 12: Optical Communications
... which respond well to the total photon flux from all directions of arrival. For example, intraroom optical links of this type are commonly used for remote control of many consumer electronic devices, but with a much larger multimode antenna (photodiode) of area A ≅ 2×10-6 [m2] instead of 2×10-14. Th ...
... which respond well to the total photon flux from all directions of arrival. For example, intraroom optical links of this type are commonly used for remote control of many consumer electronic devices, but with a much larger multimode antenna (photodiode) of area A ≅ 2×10-6 [m2] instead of 2×10-14. Th ...
Imaging scanning tunneling microscope
... The prospect of creating photonic devices based on surface plasmon propagation is attracting increasing attention.1–5 The motivation has been to create miniaturized optics that would enable higher bandwidth optical computing, all-optical interconnects for telecommunications, or even ‘‘nano-lasers.’’ ...
... The prospect of creating photonic devices based on surface plasmon propagation is attracting increasing attention.1–5 The motivation has been to create miniaturized optics that would enable higher bandwidth optical computing, all-optical interconnects for telecommunications, or even ‘‘nano-lasers.’’ ...
Effect of Ions on the Hydrophobic Interaction between Two Plates
... chemical and biological processes goes back more than a century, starting with Hofmeister’s1 experiments on the ability of ions to solubilize/precipitate proteins in 1888. The purpose of this paper is to demonstrate how the hydrophobic interaction between nanoscale nonpolar solutes is modified by th ...
... chemical and biological processes goes back more than a century, starting with Hofmeister’s1 experiments on the ability of ions to solubilize/precipitate proteins in 1888. The purpose of this paper is to demonstrate how the hydrophobic interaction between nanoscale nonpolar solutes is modified by th ...
Barnett
... The set probability operators describing a measurement is called a probability operator measure (POM) or a positive operator-valued measure (POVM). The probability operators can be defined by the properties ...
... The set probability operators describing a measurement is called a probability operator measure (POM) or a positive operator-valued measure (POVM). The probability operators can be defined by the properties ...
Input
... It is an object of this invention to modulate the fre 30 The separation between energy levels E1 and E3 de quency of the coherent monochromatic light output of ?nes a spectral line of the modulating medium 11. When optical masers in accordance with signal information. a majority of the electrons of ...
... It is an object of this invention to modulate the fre 30 The separation between energy levels E1 and E3 de quency of the coherent monochromatic light output of ?nes a spectral line of the modulating medium 11. When optical masers in accordance with signal information. a majority of the electrons of ...
Guendelman2008
... (1,1) +(S, -S), S being the expression given before. So the amplitude for axion going into photon (1,-1) is S, this agrees with a known result obtained by P. Sikivie many years ago for this type of external static magnetic field. ...
... (1,1) +(S, -S), S being the expression given before. So the amplitude for axion going into photon (1,-1) is S, this agrees with a known result obtained by P. Sikivie many years ago for this type of external static magnetic field. ...
[pdf]
... promise for increased tumor detection sensitivity and specificity [4-10]. In order to take full advantage of these new contrasts it is critical to develop high fidelity three-dimensional ...
... promise for increased tumor detection sensitivity and specificity [4-10]. In order to take full advantage of these new contrasts it is critical to develop high fidelity three-dimensional ...
An Introduction to Pulsed Dye Lasers Introduction Light amplification
... passes an excited atom, that the atom is jostled about and therefore finds it easier to emit its energy. Therefore, if one photon is present at the start, after emission a new photon is present along with the original. This process is called stimulated emission. One important characteristic of stimu ...
... passes an excited atom, that the atom is jostled about and therefore finds it easier to emit its energy. Therefore, if one photon is present at the start, after emission a new photon is present along with the original. This process is called stimulated emission. One important characteristic of stimu ...
EE 230: Optical Fiber Communication Lecture 7
... Energy levels 1 and 2 and their decay times. By means of pumping, the population density of level 2 is increased at the rate R2 while that of level 1 is decreased at the rate R1 For large DN or No (also called inversion density) We want t2 long, but t21 not too small, t1 and R1 large ...
... Energy levels 1 and 2 and their decay times. By means of pumping, the population density of level 2 is increased at the rate R2 while that of level 1 is decreased at the rate R1 For large DN or No (also called inversion density) We want t2 long, but t21 not too small, t1 and R1 large ...
Chapter 6 Experiment 4: Wave Interference
... double-slit pattern. When the slit mask is perpendicular to the beam, its reflection will re-enter the laser. Orient the screen perpendicular to the beam as well and mark the locations of the interference fringes (the finely spaced bright spots) on a strip of fresh tape. Mark all visible spots; if f ...
... double-slit pattern. When the slit mask is perpendicular to the beam, its reflection will re-enter the laser. Orient the screen perpendicular to the beam as well and mark the locations of the interference fringes (the finely spaced bright spots) on a strip of fresh tape. Mark all visible spots; if f ...
Sensitivity of the FluoroLog® and FluoroMax
... S/N via a water Raman test with 5-nm bandpass. Other companies use a 10-nm bandpass on both emission and excitation monochromators. This lets twice the light into each monochromator and twice the light out, a factor of four per monochromator, and 16 for the entire instrument. Thus, the other compani ...
... S/N via a water Raman test with 5-nm bandpass. Other companies use a 10-nm bandpass on both emission and excitation monochromators. This lets twice the light into each monochromator and twice the light out, a factor of four per monochromator, and 16 for the entire instrument. Thus, the other compani ...