
Radar cross section lectures Fuhs, Allen E.
... between tk-ue and apparent sizes. As measurement capabilities Improved,. investigations of the variation of RCS with these parameters provided the radar analyst with a plethora of data, but few insights into this relation. In the present context, such data are essential in determining the physical f ...
... between tk-ue and apparent sizes. As measurement capabilities Improved,. investigations of the variation of RCS with these parameters provided the radar analyst with a plethora of data, but few insights into this relation. In the present context, such data are essential in determining the physical f ...
Optical properties of small-bore hollow glass waveguides
... iodide layer is estimated as 0.23 µm and the inner surface roughness of the guide is estimated as 0.03 µm from the theoretical spectrum in Fig. 10. By choosing such a small thickness, we can obtain low attenuation at the Er:YAG laser wavelength of 2.94 µm. Figure 11 gives the measured straight losse ...
... iodide layer is estimated as 0.23 µm and the inner surface roughness of the guide is estimated as 0.03 µm from the theoretical spectrum in Fig. 10. By choosing such a small thickness, we can obtain low attenuation at the Er:YAG laser wavelength of 2.94 µm. Figure 11 gives the measured straight losse ...
Enhanced fiber coupled laser power and brightness for
... providing a smooth transition from laboratory development to low cost, repeatable, manufacturing. ...
... providing a smooth transition from laboratory development to low cost, repeatable, manufacturing. ...
"A MAP equalizer for the optical communications channel"
... the posterior probabilities required for a MAP equalizer. They also develop a practical method to accurately estimate the entire pdf of the electrical current, including its low-probability tails, from measurements of the averaged electrical current as a function of time. The importance of this meth ...
... the posterior probabilities required for a MAP equalizer. They also develop a practical method to accurately estimate the entire pdf of the electrical current, including its low-probability tails, from measurements of the averaged electrical current as a function of time. The importance of this meth ...
Iterative reconstruction algorithm for optoacoustic imaging
... distribution is constructed by backprojecting the acoustic signals among all possible source locations. For a single isotropic detector and a point source these locations lie on the surface of a sphere with the detector in the center. Summation of multiple spheres with their centers at different det ...
... distribution is constructed by backprojecting the acoustic signals among all possible source locations. For a single isotropic detector and a point source these locations lie on the surface of a sphere with the detector in the center. Summation of multiple spheres with their centers at different det ...
Light Field Microscopy - Stanford Computer Graphics Laboratory
... of the plane vertices) equal to zero (see [Levoy 1996]). This places the uv plane at infinity, which causes the input data to be treated as orthographic. The second and third properties means that microscopes lack parallax-based depth cues. As a result, microscopists are excited when they see our pe ...
... of the plane vertices) equal to zero (see [Levoy 1996]). This places the uv plane at infinity, which causes the input data to be treated as orthographic. The second and third properties means that microscopes lack parallax-based depth cues. As a result, microscopists are excited when they see our pe ...
Asymmetric scattering and non-orthogonal mode patterns in optical
... selective excitation of such traveling waves can be done by coupling light into the cavity via an attached waveguide [35]. It is important to emphasize that these superpositions are not eigenmodes of the cavity as they are composed of two modes with slightly different frequencies and Q-factors. The ...
... selective excitation of such traveling waves can be done by coupling light into the cavity via an attached waveguide [35]. It is important to emphasize that these superpositions are not eigenmodes of the cavity as they are composed of two modes with slightly different frequencies and Q-factors. The ...
Extended Nijboer-Zernike representation of the vector field in the
... highly focused fields are used. We mention the study of biological specimens like living cells, cell nuclei and genetic material using advanced high-resolution microscopy. High-aperture focused fields are equally used in leading edge optical lithography operating at a deep UV wavelength like 193 or 15 ...
... highly focused fields are used. We mention the study of biological specimens like living cells, cell nuclei and genetic material using advanced high-resolution microscopy. High-aperture focused fields are equally used in leading edge optical lithography operating at a deep UV wavelength like 193 or 15 ...
Conditions for practicing compressive Fresnel holography Yair Rivenson * and Adrian Stern
... field, λ is the wavelength, and z is the propagation distance of the light wave. The relation between the Fresnel transform and the Fourier transform is evident in Eq. (1). It is also clear that this relation depends on the distance z, suggesting that the applicability of the Fresnel transform as a ...
... field, λ is the wavelength, and z is the propagation distance of the light wave. The relation between the Fresnel transform and the Fourier transform is evident in Eq. (1). It is also clear that this relation depends on the distance z, suggesting that the applicability of the Fresnel transform as a ...
Observation of Localized States in Lieb Photonic
... broad beam. We split the SLM display into two parts. In the first path (region A), we modulate the amplitude of the beam by tuning the angle of two polarizers (P). We generate a pattern of several light disks of given radius (to be adjusted to match waveguides at the input facet) and given geometry ...
... broad beam. We split the SLM display into two parts. In the first path (region A), we modulate the amplitude of the beam by tuning the angle of two polarizers (P). We generate a pattern of several light disks of given radius (to be adjusted to match waveguides at the input facet) and given geometry ...
Lec03 - nptel
... Skew rays propagate without passing through the central axis of the fiber. In fact the skew rays go on spiralling around the axis of the optical fiber. The light energy carried by them is effectively confined to an annular region around the axis as shown in figure 3.6. Consequently, at the output, s ...
... Skew rays propagate without passing through the central axis of the fiber. In fact the skew rays go on spiralling around the axis of the optical fiber. The light energy carried by them is effectively confined to an annular region around the axis as shown in figure 3.6. Consequently, at the output, s ...
Attosecond pulses at kiloelectronvolt photon energies
... of 3 × 10−7 . This experiment offers a novel way to probe matter and is a very encouraging motivation of our theoretical research on x-ray boosted HHG, to be discussed in what follows. X-ray and optical wave mixing was proposed theoretically [19] in the 1970s but only recently it has been observed e ...
... of 3 × 10−7 . This experiment offers a novel way to probe matter and is a very encouraging motivation of our theoretical research on x-ray boosted HHG, to be discussed in what follows. X-ray and optical wave mixing was proposed theoretically [19] in the 1970s but only recently it has been observed e ...
Michelson Interferometer
... plate CP, travels totally in air. Thus an extra optical path 2(μ -1)t is introduced where, 't' is the thickness of the plate and ‘μ‘ is the refractive index of the BS plate for the monochromatic light used. Presence of CP is not essential if fringes are produced with monochromatic light. But it prod ...
... plate CP, travels totally in air. Thus an extra optical path 2(μ -1)t is introduced where, 't' is the thickness of the plate and ‘μ‘ is the refractive index of the BS plate for the monochromatic light used. Presence of CP is not essential if fringes are produced with monochromatic light. But it prod ...
Extending the Effective Ranging Depth of Spectral Domain Optical
... Due to this effect, the visibility of the spectral interference fringe is maximized when the optical path difference (OPD) is zero and decays as the path length difference increases. Thus, the effective ranging depth is defined as the imaging depth at which the sensitivity has decayed −6 dB from the ...
... Due to this effect, the visibility of the spectral interference fringe is maximized when the optical path difference (OPD) is zero and decays as the path length difference increases. Thus, the effective ranging depth is defined as the imaging depth at which the sensitivity has decayed −6 dB from the ...
CW mode-locked dye lasers for ultra fast spectroscopic studies
... of higher frequencies in the pulse. Such a positive chirp can arise simply from linear dispersion in the laser medium itself (wavelength dependent refractive index) or from ...
... of higher frequencies in the pulse. Such a positive chirp can arise simply from linear dispersion in the laser medium itself (wavelength dependent refractive index) or from ...