Dynamical diffraction of atomic matter waves by crystals of light
... solid state crystals @1#. A plethora of diffraction experiments have been performed which are in excellent agreement with the theory of dynamical diffraction. The main difference between these diffraction experiments and our experiments is that in our situation the usual roles of matter and light wa ...
... solid state crystals @1#. A plethora of diffraction experiments have been performed which are in excellent agreement with the theory of dynamical diffraction. The main difference between these diffraction experiments and our experiments is that in our situation the usual roles of matter and light wa ...
FIB – an easy tool for fabrication of high quality plasmonic structures
... promising solution in subwavelength optics and lithography beyond the diffraction limit. They also find their applications in photonic data storage, light generation, and bio-photonics. SPPs cannot be excited directly by incident electromagnetic radiation. One of the possible ways for their excitati ...
... promising solution in subwavelength optics and lithography beyond the diffraction limit. They also find their applications in photonic data storage, light generation, and bio-photonics. SPPs cannot be excited directly by incident electromagnetic radiation. One of the possible ways for their excitati ...
LS2520342037
... 1.42) here the result shows the signal is divided almost into two equal parts behaving as beam splitter (1:1) for linear and 3:1 for nonlinear. (simulation result are not shown). Taking another configuration (lattice constant of 0.78µm) as background material Ge (refractive index of 1.47), the FDTD ...
... 1.42) here the result shows the signal is divided almost into two equal parts behaving as beam splitter (1:1) for linear and 3:1 for nonlinear. (simulation result are not shown). Taking another configuration (lattice constant of 0.78µm) as background material Ge (refractive index of 1.47), the FDTD ...
... power [3]. Filaments that are very close to each other have strongly coupled transverse dynamics. When two filaments are near each other but not propagating exactly parallel to each other, it can become energetically favorable for the two beams to coalesce, as in Figure 5a below. To coalesce into on ...
Lecture 10 - KFUPM Faculty List
... This behavior can be explained as follows. Starting on resonance, increasing the input intensity results in a nonlinear phase shift which tunes the total phase off the resonance peak so that the transmission decreases and the output intensity becomes sub-linear in the input intensity, case (b). For ...
... This behavior can be explained as follows. Starting on resonance, increasing the input intensity results in a nonlinear phase shift which tunes the total phase off the resonance peak so that the transmission decreases and the output intensity becomes sub-linear in the input intensity, case (b). For ...
MICROSCOPY
... common instruments have a relatively low resolution of 1.3 Megapixels, but higher resolution cameras are available. ...
... common instruments have a relatively low resolution of 1.3 Megapixels, but higher resolution cameras are available. ...
Document
... VL d EL (t) cos(ωL t L ), VX (rotating wave) Schrödinger equation has to be solved for each frequency of x-ray field ...
... VL d EL (t) cos(ωL t L ), VX (rotating wave) Schrödinger equation has to be solved for each frequency of x-ray field ...
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... rotating diffuser, turning into a partially spatially incoherent source. A biased photorefractive crystal (SBN:60, 5 5 8 mm3 , with r33 280 pm=V) is employed to provide a self-focusing noninstantaneous nonlinearity as in experiments with partially coherent solitons [19]. To generate a two-dime ...
... rotating diffuser, turning into a partially spatially incoherent source. A biased photorefractive crystal (SBN:60, 5 5 8 mm3 , with r33 280 pm=V) is employed to provide a self-focusing noninstantaneous nonlinearity as in experiments with partially coherent solitons [19]. To generate a two-dime ...
7th-ATF2-urakawa
... Re-config. (re-build) of CESR as low-emittance e-cloud test facility. First meas. of e-cloud build-up using instrumented sections in dipoles and drifts sections (large emittance). ...
... Re-config. (re-build) of CESR as low-emittance e-cloud test facility. First meas. of e-cloud build-up using instrumented sections in dipoles and drifts sections (large emittance). ...
Superior Pointing Stability Simplifies MPE Imaging
... aperture has a circular cross section, so at Coherent, we use a radial specification, i.e. 80 μrad/100 nm in any axis. That’s because with a circular aperture, it doesn’t matter which direction the beam walks – if it’s more than 400 microrad, it can be a problem. However, some MPE lasers are specifi ...
... aperture has a circular cross section, so at Coherent, we use a radial specification, i.e. 80 μrad/100 nm in any axis. That’s because with a circular aperture, it doesn’t matter which direction the beam walks – if it’s more than 400 microrad, it can be a problem. However, some MPE lasers are specifi ...
The spatial shape of entangled photon states generated in
... the cylindrical symmetry. This ellipticity can be observed in figures 2(b) and (c), where the pump beam width is w0 = 40 µm. In figures 2(a) and (b) the angle of emission of the signal photon is ϕ1 = 1◦ , while in figure 2(c) it is ϕ1 = 5◦ . If L w → ∞, which corresponds to a configuration where the ...
... the cylindrical symmetry. This ellipticity can be observed in figures 2(b) and (c), where the pump beam width is w0 = 40 µm. In figures 2(a) and (b) the angle of emission of the signal photon is ϕ1 = 1◦ , while in figure 2(c) it is ϕ1 = 5◦ . If L w → ∞, which corresponds to a configuration where the ...
Real Beam Propagation
... inadequate because, for example, the output of a laser can contain up to 50% higher-order modes and still be considered TEM00. ...
... inadequate because, for example, the output of a laser can contain up to 50% higher-order modes and still be considered TEM00. ...
Fourier Optics Laboratory Manual - McGill Undergraduate Physics Lab
... What would you define as a high or low pass filter in the two dimensional case? Build them and observe their effect. Use the image of a grid such as slide 11. How does the diffraction pattern look like? What do you expect as an image if only the vertical or horizontal rows of dots are allowed to pas ...
... What would you define as a high or low pass filter in the two dimensional case? Build them and observe their effect. Use the image of a grid such as slide 11. How does the diffraction pattern look like? What do you expect as an image if only the vertical or horizontal rows of dots are allowed to pas ...
A method to generate complex quasi-nondiffracting optical lat
... Among their applications may be the control of evolution of matter-wave or optical solitons in optical lattices produced by the corresponding nondiffracting beams. Due to their unusual symmetry such lattices may allow observation of new types of soliton motion and may substantially enrich the possi ...
... Among their applications may be the control of evolution of matter-wave or optical solitons in optical lattices produced by the corresponding nondiffracting beams. Due to their unusual symmetry such lattices may allow observation of new types of soliton motion and may substantially enrich the possi ...
Lecture 6: Waves Review and Examples PLEASE REVIEW ON
... 1. The intensity I as a function of y at a viewing screen located a distance L from the slits is shown to the right. L >> d, y, a. What is N? a) N = 2 ...
... 1. The intensity I as a function of y at a viewing screen located a distance L from the slits is shown to the right. L >> d, y, a. What is N? a) N = 2 ...
rtf
... The full details of what happens to the electron wave as it passes through the specimen are belong the scope of this section. Our main interest is that a wave with one unique wavevector before the specimen becomes split into a wave with a number of different wavevectors by the specimen diffraction. ...
... The full details of what happens to the electron wave as it passes through the specimen are belong the scope of this section. Our main interest is that a wave with one unique wavevector before the specimen becomes split into a wave with a number of different wavevectors by the specimen diffraction. ...
AOTF-based system for image cytometry
... Paratellurite acousto-optical filters are well suited for microscopic imaging. The simple setup requires a collimated fluorescence signal to be directed through an AOTF tuned to the frequency corresponding to the wavelength of interest, and focused on a monochrome CCD chip. Muti- or hyperspectral sp ...
... Paratellurite acousto-optical filters are well suited for microscopic imaging. The simple setup requires a collimated fluorescence signal to be directed through an AOTF tuned to the frequency corresponding to the wavelength of interest, and focused on a monochrome CCD chip. Muti- or hyperspectral sp ...
Experimental test of beam splitter techniques
... The next difficulty is to realize a double well trapping potential where position and height of the central barrier can be finely controlled at will. The beam splitter for a trappe ...
... The next difficulty is to realize a double well trapping potential where position and height of the central barrier can be finely controlled at will. The beam splitter for a trappe ...
characterization of nondiffracting bessel beams in the propagation
... [7] and free-space optical communications [8]. For these applications, the useful part of the Bessel beams is often limited to their near field. As a matter of fact, the central lobe persists as long as there are off-axis lobes to replenish its diffraction losses and prevent it from spreading [9, 10 ...
... [7] and free-space optical communications [8]. For these applications, the useful part of the Bessel beams is often limited to their near field. As a matter of fact, the central lobe persists as long as there are off-axis lobes to replenish its diffraction losses and prevent it from spreading [9, 10 ...
Fundamentals of Optical Interferometry for Thermal Expansion
... length of one beam by distance ΔX, we can conclude that the mirror has moved by λ/2 (since the beam has traveled over this distance twice). Interferometers thus measure the (OPLD) changes between two beams, one of which could be considered a reference beam. Hence Δ OPLD = 2 (Δ X1 cos θ1 + ΔX2 cos θ2 ...
... length of one beam by distance ΔX, we can conclude that the mirror has moved by λ/2 (since the beam has traveled over this distance twice). Interferometers thus measure the (OPLD) changes between two beams, one of which could be considered a reference beam. Hence Δ OPLD = 2 (Δ X1 cos θ1 + ΔX2 cos θ2 ...
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... thick strongly scattering tissue. Thus the transport mean-free path, which is the renormalized scattering length to account for the anisotropic phase function, can be obtained as lⴱ = ls / 共1 − g兲. The lⴱ values for 20 samples from each organ are shown in Fig. 3(c), which show larger standard deviat ...
... thick strongly scattering tissue. Thus the transport mean-free path, which is the renormalized scattering length to account for the anisotropic phase function, can be obtained as lⴱ = ls / 共1 − g兲. The lⴱ values for 20 samples from each organ are shown in Fig. 3(c), which show larger standard deviat ...
Homework Set #6 Due: 3-28-14
... waveplate and telescope, for example, will lose ~27% of its power if all the surfaces are uncoated. Another difficulty is that the index of refraction seen by the light will vary if the light is not normally incident upon the waveplate. The ordinary and extradinary polarization directions and the ex ...
... waveplate and telescope, for example, will lose ~27% of its power if all the surfaces are uncoated. Another difficulty is that the index of refraction seen by the light will vary if the light is not normally incident upon the waveplate. The ordinary and extradinary polarization directions and the ex ...
Single Crystal Growth by AHP Method
... throughout the entire sample (Figure 1.a), whereas a polycrystal material is composed of grains having different crystal orientations separated by grain boundaries, (Figure 1.b). a) ...
... throughout the entire sample (Figure 1.a), whereas a polycrystal material is composed of grains having different crystal orientations separated by grain boundaries, (Figure 1.b). a) ...
Observation of near-field correlations in spontaneous parametric
... physical origin of this structure can be understood as follows. The crystal acts as a longitudinally extended source of photon pairs. The phase-matching conditions determine the relative phase of photon pairs born at different planes within the pumped region. The final probability amplitude of detec ...
... physical origin of this structure can be understood as follows. The crystal acts as a longitudinally extended source of photon pairs. The phase-matching conditions determine the relative phase of photon pairs born at different planes within the pumped region. The final probability amplitude of detec ...
Components of Optical Instruments, Cont…
... Two types of gratings are usually encountered: 1) transmission and 2) reflection (diffraction) gratings. Transmission gratings are seldom used in spectroscopic instruments and almost all gratings, which are used in conventional spectroscopic instruments, are of the reflection type. The groove densit ...
... Two types of gratings are usually encountered: 1) transmission and 2) reflection (diffraction) gratings. Transmission gratings are seldom used in spectroscopic instruments and almost all gratings, which are used in conventional spectroscopic instruments, are of the reflection type. The groove densit ...