Analysis And Design Of Wide-angle Foveated Optical
... In the recent years, considerable research and development has been conducted in the field of optical foveated imaging based on the LC SLM technology, and several foveated optical systems (FOS) prototypes have been built. However, most research has been focused so far on the experimental demonstrati ...
... In the recent years, considerable research and development has been conducted in the field of optical foveated imaging based on the LC SLM technology, and several foveated optical systems (FOS) prototypes have been built. However, most research has been focused so far on the experimental demonstrati ...
appel a projets recherche 2014 - lumat - Université Paris-Sud
... phase from solids to the Warm Dense Matter (WDM) to dense strongly coupled plasmas (DSCP), through the investigation of the radiative emission .properties of the heated sample. The primary process for the energy deposition is direct photoionization of the solid by the incident XUV pulse, with a stro ...
... phase from solids to the Warm Dense Matter (WDM) to dense strongly coupled plasmas (DSCP), through the investigation of the radiative emission .properties of the heated sample. The primary process for the energy deposition is direct photoionization of the solid by the incident XUV pulse, with a stro ...
optical properties of skin, subcutaneous, and muscle tissues
... To separate the light beam attenuation due to absorption from the loss due to scattering the onedimensional (1D), two-°ux KubelkaMunk (KM) model can be used as the simplest approach to solve the problem. This approach has been widely used to determine the absorption and scattering coe±cients of bio ...
... To separate the light beam attenuation due to absorption from the loss due to scattering the onedimensional (1D), two-°ux KubelkaMunk (KM) model can be used as the simplest approach to solve the problem. This approach has been widely used to determine the absorption and scattering coe±cients of bio ...
Fabrication of functional surfaces using ultrashort laser pulse ablation
... high absorption structures in a controlled way. Another interesting functionality of materials is their wettability and methods to control this have been developed by mimicking the nature. The best-known example of a natural water-repellent surface is the leaf of lotus. This property of hydrophobici ...
... high absorption structures in a controlled way. Another interesting functionality of materials is their wettability and methods to control this have been developed by mimicking the nature. The best-known example of a natural water-repellent surface is the leaf of lotus. This property of hydrophobici ...
Wave aberration of human eyes and new descriptors
... amount of light that reaches the retina. As in any optical system, the size of the pupil has important consequences for image formation. A smaller pupil increases the depth of focus and minimizes the effects of higher-order aberrations (HOAs) by reducing the size of the blur circle onto the retina, ...
... amount of light that reaches the retina. As in any optical system, the size of the pupil has important consequences for image formation. A smaller pupil increases the depth of focus and minimizes the effects of higher-order aberrations (HOAs) by reducing the size of the blur circle onto the retina, ...
The Development of Femtosecond Electron Diffraction for
... With FED we measured laser-induced ultrafast structural dynamics in a 20-nm Al film by taking real-time snapshots of transmission electron patterns. The damped single-mode breathing motion of the Al film along the surface normal was recorded as coherent and in-phase oscillations of all the Bragg pea ...
... With FED we measured laser-induced ultrafast structural dynamics in a 20-nm Al film by taking real-time snapshots of transmission electron patterns. The damped single-mode breathing motion of the Al film along the surface normal was recorded as coherent and in-phase oscillations of all the Bragg pea ...
Ozone imaging and detection using photofragmentation laser
... fluorescence signal of the oxygen fragment was spectroscopically investigated, both regarding its absorption and emission characteristics. The O2 fragment has absorption lines within the tunable range of the laser, 247.9-248.9 nm, and strong emission in the wavelength range 260 nm to 440 nm. Further ...
... fluorescence signal of the oxygen fragment was spectroscopically investigated, both regarding its absorption and emission characteristics. The O2 fragment has absorption lines within the tunable range of the laser, 247.9-248.9 nm, and strong emission in the wavelength range 260 nm to 440 nm. Further ...
Femtosecond pulse propagation in silicon waveguides: Variational
... which linear and nonlinear process affect a particular pulse parameter. Considerable physical insight is gained by noting that the pulse width in Eq. (12) is affected directly not only by the dispersion parameter (as expected) but also by the TPA (somewhat unexpected). Moreover, whereas dispersion m ...
... which linear and nonlinear process affect a particular pulse parameter. Considerable physical insight is gained by noting that the pulse width in Eq. (12) is affected directly not only by the dispersion parameter (as expected) but also by the TPA (somewhat unexpected). Moreover, whereas dispersion m ...
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... The -PL spectra shown below were acquired in bulk-like InSe flakes (1- and 4-labelled flakes) and in singleterraced, 8 nm-thick, flakes (2- and 5-labelled flakes). The -PL spectra of the bulk-like flakes are very similar to that measured in the thickest terraces of the flake shown in the Fig. 3 of ...
... The -PL spectra shown below were acquired in bulk-like InSe flakes (1- and 4-labelled flakes) and in singleterraced, 8 nm-thick, flakes (2- and 5-labelled flakes). The -PL spectra of the bulk-like flakes are very similar to that measured in the thickest terraces of the flake shown in the Fig. 3 of ...
OPTI 517 Image Quality
... Encircled or ensquared energy is the ratio of the energy in the PSF that is collected by a single circular or square detector to the total amount of energy that reaches the image plane from that object point – This is a popular metric for system engineers who, reasonably enough, want a certain amoun ...
... Encircled or ensquared energy is the ratio of the energy in the PSF that is collected by a single circular or square detector to the total amount of energy that reaches the image plane from that object point – This is a popular metric for system engineers who, reasonably enough, want a certain amoun ...
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... phenomenon involving spontaneous scattering of light in a medium due to interaction betWeen the light and sound Waves passing through the medium. [0018] Cavity or Optically Resonant Cavity refers to an optical path de?ned by tWo or more re?ecting surfaces along Which light can reciprocate or circula ...
... phenomenon involving spontaneous scattering of light in a medium due to interaction betWeen the light and sound Waves passing through the medium. [0018] Cavity or Optically Resonant Cavity refers to an optical path de?ned by tWo or more re?ecting surfaces along Which light can reciprocate or circula ...
OpticalDiagnostics-ScatteringDiagnostics
... Obviously the scattered power depends on the number of electrons caught by the laser, but also on the interaction between them. This interaction start to happen above the Debye length. So this depends on the density and ...
... Obviously the scattered power depends on the number of electrons caught by the laser, but also on the interaction between them. This interaction start to happen above the Debye length. So this depends on the density and ...
A pulsed dye laser for photo-ionization of magnesium atoms
... (other species can be ionized and trapped with the desired ions). This problem is avoided when a resonant multi-step photo-ionization process is used. The atoms are rst selectively excited on resonant transitions and then ionized. Hence, only the desired species will have a signi cant ionization pr ...
... (other species can be ionized and trapped with the desired ions). This problem is avoided when a resonant multi-step photo-ionization process is used. The atoms are rst selectively excited on resonant transitions and then ionized. Hence, only the desired species will have a signi cant ionization pr ...
