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... where ωT is the THz ferquency and n g (ωopt ) is the group refractive index at optical frquencies. In Fig. 1(a) is shown the group refractive index at 800 nm by a red horizontal line. The phase matching condition is satisfied at THz wave frequency of 2.1 THz. For the simulations under perfect phase ...
... where ωT is the THz ferquency and n g (ωopt ) is the group refractive index at optical frquencies. In Fig. 1(a) is shown the group refractive index at 800 nm by a red horizontal line. The phase matching condition is satisfied at THz wave frequency of 2.1 THz. For the simulations under perfect phase ...
Advanced Computer Graphics - Ohio State Computer Science and
... • All measurements relative to perception of illumination • Units different from radiometric but conversion is scale factor -- weighted by spectral response of eye (over about 360 to 800 nm). © Lastra/Machiraju/Möller ...
... • All measurements relative to perception of illumination • Units different from radiometric but conversion is scale factor -- weighted by spectral response of eye (over about 360 to 800 nm). © Lastra/Machiraju/Möller ...
2-2-1 Pulsed Laser Deposition of Thin Films
... 2-2 Laser in Synthesis Thin Films: The field of material science and engineering community’s ability to conceive the novel materials with extraordinary combination of chemical, physical and mechanical, properties has changed the modern society. There is an increasing technological progress. Modern ...
... 2-2 Laser in Synthesis Thin Films: The field of material science and engineering community’s ability to conceive the novel materials with extraordinary combination of chemical, physical and mechanical, properties has changed the modern society. There is an increasing technological progress. Modern ...
Liquid-crystal photonic applications
... In standard three-color imaging, one actually takes three images for three different colors or wavelength ranges. A color CCD, for example, often consists of RGB pixels in a Bayer arrangement, with double the amount of green pixels, compared to red and blue. In hyperspectral imaging, the aim is to o ...
... In standard three-color imaging, one actually takes three images for three different colors or wavelength ranges. A color CCD, for example, often consists of RGB pixels in a Bayer arrangement, with double the amount of green pixels, compared to red and blue. In hyperspectral imaging, the aim is to o ...
Radiative Transfer Theory - UCL Department of Geography
... over the horizontal extent of the canopy) although this is not a strict requirement of the theory (see Myneni et al., 1989; p.6). We will also deal only with a random (Poisson) distribution of vegetation in detail in these notes. The reader is referred to Myneni et al. (1989; p. 8) for consideration ...
... over the horizontal extent of the canopy) although this is not a strict requirement of the theory (see Myneni et al., 1989; p.6). We will also deal only with a random (Poisson) distribution of vegetation in detail in these notes. The reader is referred to Myneni et al. (1989; p. 8) for consideration ...
Special-Effect Pigments
... Factors affecting this flip-Flop effect are the shape and size of the pigment particles and the way they are laid down within the paint.' The most requested class of effect pigments at the moment is basically a mica flake coated with Single or multiple thin layers of metal oxide. The interplay of c ...
... Factors affecting this flip-Flop effect are the shape and size of the pigment particles and the way they are laid down within the paint.' The most requested class of effect pigments at the moment is basically a mica flake coated with Single or multiple thin layers of metal oxide. The interplay of c ...
New method for estimating the refractive index of optical materials in
... cylindrical optical element for the spectral angular selection is limited by the refractive index values approximately up to n2 = 2.8. In this range of the refractive index values, the shape of the scattering indicatrix and the angular positions of peaks unambiguously define the value of the refract ...
... cylindrical optical element for the spectral angular selection is limited by the refractive index values approximately up to n2 = 2.8. In this range of the refractive index values, the shape of the scattering indicatrix and the angular positions of peaks unambiguously define the value of the refract ...
Holography
... It turns out that it is more favorable to shift either the holographic layer or the object sideways. Laser beam, object, and hologram are not on the same axis anymore. The hologram represents the outer area of a fresnel zone lens. Again a virtual and a real image are formed during construction. The ...
... It turns out that it is more favorable to shift either the holographic layer or the object sideways. Laser beam, object, and hologram are not on the same axis anymore. The hologram represents the outer area of a fresnel zone lens. Again a virtual and a real image are formed during construction. The ...
Fiber Optic Sensors For Detection of Toxic and Biological Threats
... Fiber optic sensors have since then found applications in chemical [1-4], biochemical [4-8], biomedical and environmental [9-12] sensing. In general, Fiber optic sensors are classified as intrinsic and extrinsic type sensors. In the extrinsic type of sensors the optical fiber is only used as a means ...
... Fiber optic sensors have since then found applications in chemical [1-4], biochemical [4-8], biomedical and environmental [9-12] sensing. In general, Fiber optic sensors are classified as intrinsic and extrinsic type sensors. In the extrinsic type of sensors the optical fiber is only used as a means ...
Nanoscience sophmore Victor Dao is co
... the emission from the first excited state (4I13/2) to the ground state (4I15/2) at 1.54 μm that is the minimum loss window of silica fibers for optical communications and in the eye-safe wavelength region3–7. GaN with the direct bandgap semiconductor appears to be excellent host materials for Er io ...
... the emission from the first excited state (4I13/2) to the ground state (4I15/2) at 1.54 μm that is the minimum loss window of silica fibers for optical communications and in the eye-safe wavelength region3–7. GaN with the direct bandgap semiconductor appears to be excellent host materials for Er io ...
Sisay M THESIS - Addis Ababa University Institutional Repository
... Diffusion is a process by which matter is transformed from one part of a system to another as a result of random molecular motion [1, 2]. Diffusion also describes the spread of particles through random motion from regions of higher concentration to regions of lower concentration [3, 4]. Diffusion ca ...
... Diffusion is a process by which matter is transformed from one part of a system to another as a result of random molecular motion [1, 2]. Diffusion also describes the spread of particles through random motion from regions of higher concentration to regions of lower concentration [3, 4]. Diffusion ca ...
Ultraviolet–visible spectroscopy
Ultraviolet–visible spectroscopy or ultraviolet-visible spectrophotometry (UV-Vis or UV/Vis) refers to absorption spectroscopy or reflectance spectroscopy in the ultraviolet-visible spectral region. This means it uses light in the visible and adjacent (near-UV and near-infrared [NIR]) ranges. The absorption or reflectance in the visible range directly affects the perceived color of the chemicals involved. In this region of the electromagnetic spectrum, molecules undergo electronic transitions. This technique is complementary to fluorescence spectroscopy, in that fluorescence deals with transitions from the excited state to the ground state, while absorption measures transitions from the ground state to the excited state.