Compressive Passive Millimeter Wave Imaging with Extended Depth of Field
... other obscurants, such as clothes and polymers. Millimeter waves are electromagnetic waves typically defined in the 30 to 300 GHz range with corresponding wavelengths between 10 to 1 mm. Radiation at these these frequencies is non-ionizing and is therefore considered safe for human use. Applications ...
... other obscurants, such as clothes and polymers. Millimeter waves are electromagnetic waves typically defined in the 30 to 300 GHz range with corresponding wavelengths between 10 to 1 mm. Radiation at these these frequencies is non-ionizing and is therefore considered safe for human use. Applications ...
Flat optics with designer metasurfaces
... or geometric effects (see discussion of the Pancharatnam–Berry phase associated with Fig. 4) are able to extend the phase response to cover the entire 2π range, which is necessary for a complete control of the wavefront. For example, in Fig. 1c the unit cell of the metasurface consisting of eight an ...
... or geometric effects (see discussion of the Pancharatnam–Berry phase associated with Fig. 4) are able to extend the phase response to cover the entire 2π range, which is necessary for a complete control of the wavefront. For example, in Fig. 1c the unit cell of the metasurface consisting of eight an ...
propagation of light in an optical fiber
... that the cladding is an undesirable feature. In the first look it then appears that the cladding is only for mechanical support. ...
... that the cladding is an undesirable feature. In the first look it then appears that the cladding is only for mechanical support. ...
Chapter 8: Optical Fibers and Components
... • If we only launch a light to the one of the two inputs of a 3-dB coupler, say input 1, then the coupler acts as a splitter. • If we launch a light to input 1 and a light to input 2 of a 3-dB coupler, then the two lights will be coupled together and the resulting light will be evenly divided betwe ...
... • If we only launch a light to the one of the two inputs of a 3-dB coupler, say input 1, then the coupler acts as a splitter. • If we launch a light to input 1 and a light to input 2 of a 3-dB coupler, then the two lights will be coupled together and the resulting light will be evenly divided betwe ...
Circular Dichroism (CD) and Optical Rotatory Dispersion (ORD
... Types of polarized light • Plane polarized light consists two circularly polarized components of equal intensity • Two circularly polarized components are like left- and right-handed springs/helices • As observed by looking at the source, right-handed circularly polarized light rotates clockwise • F ...
... Types of polarized light • Plane polarized light consists two circularly polarized components of equal intensity • Two circularly polarized components are like left- and right-handed springs/helices • As observed by looking at the source, right-handed circularly polarized light rotates clockwise • F ...
Electronic excitation gives informative fragmentation of polypeptide
... The much greater variety of fragmentation channels in HECD of dications and EDD of dianions, compared with CAD of the same species, requires explanation. Of course, the fragmenting species in both techniques are different: they are radical ions in the first case and even-electron species in the latt ...
... The much greater variety of fragmentation channels in HECD of dications and EDD of dianions, compared with CAD of the same species, requires explanation. Of course, the fragmenting species in both techniques are different: they are radical ions in the first case and even-electron species in the latt ...
Full Text - University of Arizona
... between sites in a sinusoidal potential can be controlled through time-dependent modulations of the lattice depth and phase. The latter can be used to impart a time-dependent acceleration to the lattice, thereby simulating the effects of an applied electric field for electrons in a crystal that give ...
... between sites in a sinusoidal potential can be controlled through time-dependent modulations of the lattice depth and phase. The latter can be used to impart a time-dependent acceleration to the lattice, thereby simulating the effects of an applied electric field for electrons in a crystal that give ...
Advances in Environmental Biology A. Afroozeh,
... A PCF is an optical fiber that achieves its waveguide properties not from a spatially variable glass structure but from planning of very small and closely spaced air holes which go through the whole length of fiber [1-3]. Photonic-crystal fiber (PCF) is a novel class of optical fiber based on the pr ...
... A PCF is an optical fiber that achieves its waveguide properties not from a spatially variable glass structure but from planning of very small and closely spaced air holes which go through the whole length of fiber [1-3]. Photonic-crystal fiber (PCF) is a novel class of optical fiber based on the pr ...
Plasmonic Airy beams with dynamically controlled trajectories Peng Zhang, Sheng Wang,
... Figs. 3(a) and 3(b), respectively. Apparently, the trajectory of the PAB is switched into a general ballistic one by the tilted excitation, while the peak intensity is always kept at the beginning of the trajectory. Such tiltedexcitation-induced control agrees with our theoretical analyses from Eq. ...
... Figs. 3(a) and 3(b), respectively. Apparently, the trajectory of the PAB is switched into a general ballistic one by the tilted excitation, while the peak intensity is always kept at the beginning of the trajectory. Such tiltedexcitation-induced control agrees with our theoretical analyses from Eq. ...
Orbital angular momentum of light
... All these transitions can be seen in experiments with plane waves with short wavelenghts (up to nanometers), but their probability decreases very fast with higher orders. ~ in terms of the Laguerre-Gaussian beam modes. It Alternatively, we can expand vector potential A has been shown [11], that such ...
... All these transitions can be seen in experiments with plane waves with short wavelenghts (up to nanometers), but their probability decreases very fast with higher orders. ~ in terms of the Laguerre-Gaussian beam modes. It Alternatively, we can expand vector potential A has been shown [11], that such ...
Plasmonic Airy beams with dynamically controlled trajectories Peng Zhang, Sheng Wang,
... Figs. 3(a) and 3(b), respectively. Apparently, the trajectory of the PAB is switched into a general ballistic one by the tilted excitation, while the peak intensity is always kept at the beginning of the trajectory. Such tiltedexcitation-induced control agrees with our theoretical analyses from Eq. ...
... Figs. 3(a) and 3(b), respectively. Apparently, the trajectory of the PAB is switched into a general ballistic one by the tilted excitation, while the peak intensity is always kept at the beginning of the trajectory. Such tiltedexcitation-induced control agrees with our theoretical analyses from Eq. ...
436 KB - The Photonic Systems Group
... modulation speeds of 40 Gb/s and above [13], where the nonlinear interactions among different wavelength channels become less-limiting factors. As a result of the short pulse width and high data rate, optical pulses within one channel are quickly dispersed and overlap significantly so to interact th ...
... modulation speeds of 40 Gb/s and above [13], where the nonlinear interactions among different wavelength channels become less-limiting factors. As a result of the short pulse width and high data rate, optical pulses within one channel are quickly dispersed and overlap significantly so to interact th ...
Default Normal Template
... Hence, in this thesis, a fiber optical strain sensor is illustrated. It showed an excellent linearity with the force causing the strain. Due to the advantages of optical fibers and the high sensitivity (resolution of 10 -6) of the sensor it is optimal for use in medical application to characterize s ...
... Hence, in this thesis, a fiber optical strain sensor is illustrated. It showed an excellent linearity with the force causing the strain. Due to the advantages of optical fibers and the high sensitivity (resolution of 10 -6) of the sensor it is optimal for use in medical application to characterize s ...
PDF
... object along the beam axis. A focused Gaussian beam has light intensity gradients both along the beam axis and perpendicular to it. The resulting optical gradient forces pul the high-index objects towards the focus with the highest intensity, and a stable trapping is achieved when they overcome the ...
... object along the beam axis. A focused Gaussian beam has light intensity gradients both along the beam axis and perpendicular to it. The resulting optical gradient forces pul the high-index objects towards the focus with the highest intensity, and a stable trapping is achieved when they overcome the ...
Tuneability of amplified spontaneous emission through control of the waveguide-mode... in conjugated polymer films
... remain a matter of debate. There have recently been a number of works investigating the way in which film morphology10–12 and temperature13,14 control the gain. Other work has presented a model for the line shape of the ASE.15,16 However, the factors which determine the spectral position of the emis ...
... remain a matter of debate. There have recently been a number of works investigating the way in which film morphology10–12 and temperature13,14 control the gain. Other work has presented a model for the line shape of the ASE.15,16 However, the factors which determine the spectral position of the emis ...