pdf file
... present simulations. Time dependent refractive index change generally induces spectrum modification to ultrashort optical pulses. The spectrum changes of the pump light observed in this study, therefore, include third-order and higher-order effects. On the other hand, two-photon absorption, which is ...
... present simulations. Time dependent refractive index change generally induces spectrum modification to ultrashort optical pulses. The spectrum changes of the pump light observed in this study, therefore, include third-order and higher-order effects. On the other hand, two-photon absorption, which is ...
as a PDF
... densities. Section 2 then concentrates on measurements of pressures and forces in static and quasistationary (slowly varying) fields. Of main interest in our context is actually the electrostriction effect (or the analogous magnetostriction effect). The electrostriction term, as derived from the Hel ...
... densities. Section 2 then concentrates on measurements of pressures and forces in static and quasistationary (slowly varying) fields. Of main interest in our context is actually the electrostriction effect (or the analogous magnetostriction effect). The electrostriction term, as derived from the Hel ...
The Optical Beam Diameter Within the Beam
... the system are approximately in a pupil plane, so that the thermal radiation arriving from the 100% emissive regions around the mirrors can be masked using a cold mask situated close to a pupil plane. When there is significant diffraction occurring between different optical elements, a pupil mask is ...
... the system are approximately in a pupil plane, so that the thermal radiation arriving from the 100% emissive regions around the mirrors can be masked using a cold mask situated close to a pupil plane. When there is significant diffraction occurring between different optical elements, a pupil mask is ...
The Development of Femtosecond Electron Diffraction for
... The evolution of material structures is governed by the making and breaking of chemical bonds and the rearrangement of atoms, which occurs on the time scale of an atomic vibrational period, hundreds of femtoseconds. Atomic motion on this time scale ultimately determines the course of phase transitio ...
... The evolution of material structures is governed by the making and breaking of chemical bonds and the rearrangement of atoms, which occurs on the time scale of an atomic vibrational period, hundreds of femtoseconds. Atomic motion on this time scale ultimately determines the course of phase transitio ...
Metal-optic and Plasmonic Semiconductor
... new applications in sensing and displays, among many other things. Yet, up until recently, there was a fundamental problem with making lasers smaller: purely semiconductor lasers couldn’t be made smaller than the diffraction limit of light. In recent years, however, metal-based lasers have been demo ...
... new applications in sensing and displays, among many other things. Yet, up until recently, there was a fundamental problem with making lasers smaller: purely semiconductor lasers couldn’t be made smaller than the diffraction limit of light. In recent years, however, metal-based lasers have been demo ...
Estimation of longitudinal resolution in optical coherence
... optical coherence imaging such as optical coherence tomography1 and optical coherence microscopy.4 In this paper we investigate optical coherence imaging cases in which the self-coherence function is the determining factor of longitudinal resolution. The impact on longitudinal resolution of high-num ...
... optical coherence imaging such as optical coherence tomography1 and optical coherence microscopy.4 In this paper we investigate optical coherence imaging cases in which the self-coherence function is the determining factor of longitudinal resolution. The impact on longitudinal resolution of high-num ...
Composite optical vortices - RIT Center for Imaging Science
... carries orbital angular momentum.12 In general, when one beam is superimposed with another, the phase of the composite field differs from that of the component beams. Being a topological phase structure, an optical vortex is readily affected when it is combined with other fields. The new or ‘‘compos ...
... carries orbital angular momentum.12 In general, when one beam is superimposed with another, the phase of the composite field differs from that of the component beams. Being a topological phase structure, an optical vortex is readily affected when it is combined with other fields. The new or ‘‘compos ...
24_(582-588)(완료)E14120 ed-Jin-Kyu Yang.hwp
... of the Poynting flux, which should be far from a dipole source and the LSP mode at the Ag/SiO2 CS NPs. Both the TM-polarized dipole and the TE-polarized dipole have a similar absorption spectrum. The difference of the absorption intensity between the TM-polarized dipole and the TE-polarized dipole i ...
... of the Poynting flux, which should be far from a dipole source and the LSP mode at the Ag/SiO2 CS NPs. Both the TM-polarized dipole and the TE-polarized dipole have a similar absorption spectrum. The difference of the absorption intensity between the TM-polarized dipole and the TE-polarized dipole i ...
Narrowband photon pair generation and waveform reshaping
... they become distinguishable by the click–click action of two detectors, since extraordinary polarized photons click the detector first. To obtain EPR-Bohm entangled states from these paired photons, the straightforward method is to compensate the delay time generated in the propagation, which was firs ...
... they become distinguishable by the click–click action of two detectors, since extraordinary polarized photons click the detector first. To obtain EPR-Bohm entangled states from these paired photons, the straightforward method is to compensate the delay time generated in the propagation, which was firs ...
Tuning of resonance-spacing in a traveling-wave
... properties of such resonators has significantly enhanced device functionalities for applications where reconfiguration is required [5–7]. So far, most reconfigurable devices are envisioned for linear applications (e.g., filtering) where just one resonance mode is of interest. However, for many nonli ...
... properties of such resonators has significantly enhanced device functionalities for applications where reconfiguration is required [5–7]. So far, most reconfigurable devices are envisioned for linear applications (e.g., filtering) where just one resonance mode is of interest. However, for many nonli ...
Continuous-variable optical quantum-state tomography
... The bipartite entanglement is of the order 兩2 log共兲兩, which is much less than 1. Equations 共5兲 and 共6兲 reveal a significant limitation of the photon-counting approach. This method works well if it is a priori known that the modes involved are in one of the qubit basis states or their linear combin ...
... The bipartite entanglement is of the order 兩2 log共兲兩, which is much less than 1. Equations 共5兲 and 共6兲 reveal a significant limitation of the photon-counting approach. This method works well if it is a priori known that the modes involved are in one of the qubit basis states or their linear combin ...
Interaction of electromagnetic radiation with matter
... Only in the case of a non-dispersive wave, for which ! is proportional to k, will equations (3.26) and (3.27) be, in general, equal to one another. Figure 3.3 illustrates the idea of a dispersive wave. It shows a sinusoidal wave that has been modulated by a Gaussian envelope to give a pulse. The pul ...
... Only in the case of a non-dispersive wave, for which ! is proportional to k, will equations (3.26) and (3.27) be, in general, equal to one another. Figure 3.3 illustrates the idea of a dispersive wave. It shows a sinusoidal wave that has been modulated by a Gaussian envelope to give a pulse. The pul ...
Two-dimensional Bose-Einstein Condensate in an optical surface trap
... quantum gases [Pet00]. Due to phase-fluctuations a BEC does not occur in 1D or 2D at any finite temperature, however a trapping potential leading to a finite sample size enables a realization of a condensate at a finite particle number [Ket96]. The first experiments investigating 2D dilute atomic sy ...
... quantum gases [Pet00]. Due to phase-fluctuations a BEC does not occur in 1D or 2D at any finite temperature, however a trapping potential leading to a finite sample size enables a realization of a condensate at a finite particle number [Ket96]. The first experiments investigating 2D dilute atomic sy ...
Module P6.3 Optical elements: prisms, lenses and spherical mirrors
... known behaviour of light rays when reflected from mirrors or refracted at the boundary between two transparent optical media. The magnifying glass is just one application of a thin lens and the mirrors listed above are examples of spherical mirrors. An understanding of the action of these simple opt ...
... known behaviour of light rays when reflected from mirrors or refracted at the boundary between two transparent optical media. The magnifying glass is just one application of a thin lens and the mirrors listed above are examples of spherical mirrors. An understanding of the action of these simple opt ...
Analysis And Design Of Wide-angle Foveated Optical
... optical systems (FOS) prototypes have been built. However, most research has been focused so far on the experimental demonstration of the basic concept using off-the-shelf components, without much concern for the practicality or the optical performance of the systems. Published results quantify only ...
... optical systems (FOS) prototypes have been built. However, most research has been focused so far on the experimental demonstration of the basic concept using off-the-shelf components, without much concern for the practicality or the optical performance of the systems. Published results quantify only ...
1.5% root-mean-square flat-intensity laser beam
... and output beam shapes, the whole system can only work well for the single input–output combination. In addition, the technique can do nothing to reduce the effect of spatial noise and imperfections present in real laser beams. The use of diffractive optics and holographic optical elements is popula ...
... and output beam shapes, the whole system can only work well for the single input–output combination. In addition, the technique can do nothing to reduce the effect of spatial noise and imperfections present in real laser beams. The use of diffractive optics and holographic optical elements is popula ...
Quantitative Phase Imaging
... studying weakly scattering and absorbing specimens (Popescu, 2011). The main challenge in generating intrinsic contrast from optically thin specimens including live cells is that, generally, they do not absorb or scatter light significantly, i.e., they are transparent, or phase objects. In his theor ...
... studying weakly scattering and absorbing specimens (Popescu, 2011). The main challenge in generating intrinsic contrast from optically thin specimens including live cells is that, generally, they do not absorb or scatter light significantly, i.e., they are transparent, or phase objects. In his theor ...
Direct spatiotemporal measurements of accelerating ultrashort
... amplitude of an accelerating Bessel pulse at three positions along the propagation axis (z). The color bar indicates the amplitude scale normalized separately for each plot. The white bar emphasizes t = 0, which is where the pulse would be located if it were propagating at c. ...
... amplitude of an accelerating Bessel pulse at three positions along the propagation axis (z). The color bar indicates the amplitude scale normalized separately for each plot. The white bar emphasizes t = 0, which is where the pulse would be located if it were propagating at c. ...