Optical fiber communication
... If symmetry is perfectly round and free from all stresses, both polarization modes would propagate at exactly the same speed, resulting in zero PMD. called (DGD) ...
... If symmetry is perfectly round and free from all stresses, both polarization modes would propagate at exactly the same speed, resulting in zero PMD. called (DGD) ...
Optical trapping using cascade conical refraction of light
... Optical traps are used in a wide variety of experimental setups from basic studies of atom dynamics to biological cell stretching studies. The early work owes much to the insight of Ashkin and his associates who led off this research area in 1986 [8, 9]. Traps are now routinely used to optically man ...
... Optical traps are used in a wide variety of experimental setups from basic studies of atom dynamics to biological cell stretching studies. The early work owes much to the insight of Ashkin and his associates who led off this research area in 1986 [8, 9]. Traps are now routinely used to optically man ...
NicholasBarbutoPoster - Physics
... Interference effects inside photonic crystals provide mechanisms for the precise control of light both within and outside of the photonic crystal. In particular the emission direction, spectrum, and intensity can be affected by the band structure. We will study photoluminescence properties in one-di ...
... Interference effects inside photonic crystals provide mechanisms for the precise control of light both within and outside of the photonic crystal. In particular the emission direction, spectrum, and intensity can be affected by the band structure. We will study photoluminescence properties in one-di ...
Optimized back-focal-plane interferometry directly measures forces
... However, using the deflection of the trapping beam to measure the motion of the sample connected the measurements of positions and of momenta. The deflection of the light cone used by Ghislain and Webb naturally contains information on the change in the momentum of the photons, as S. Smith et al. [ ...
... However, using the deflection of the trapping beam to measure the motion of the sample connected the measurements of positions and of momenta. The deflection of the light cone used by Ghislain and Webb naturally contains information on the change in the momentum of the photons, as S. Smith et al. [ ...
Fundamental Limit to Linear One-Dimensional Slow Light Structures
... structures with large relative dielectric constants ε r , such as metals ( ε r ∼ 100 in the near infra-red); it does not, however, show how to design such systems nor does it prove that attaining such a limit is practically possible, especially given loss in such systems. This limit does say that re ...
... structures with large relative dielectric constants ε r , such as metals ( ε r ∼ 100 in the near infra-red); it does not, however, show how to design such systems nor does it prove that attaining such a limit is practically possible, especially given loss in such systems. This limit does say that re ...
Optical properties of Pittsburgh glass subjected to mechanical and
... The measurements performed by means of integrating sphere and standard reflectometry give a rather average reflectance over a larger scale reflected samples. In order to study the reflection from small surface areas, an optical profilometer (OP) [9] was applied. The scattered radiation measured by O ...
... The measurements performed by means of integrating sphere and standard reflectometry give a rather average reflectance over a larger scale reflected samples. In order to study the reflection from small surface areas, an optical profilometer (OP) [9] was applied. The scattered radiation measured by O ...
Harnessing a Quantum Design Approach for Making Low
... but they use materials with negative dielectric responses, and they absorb much of the light in a way that seriously degrades both the resolution and brightness of the image. Here we demonstrate an alternative “quantum metamaterials” (QM) approach that uses materials structured at the nanoscale, i.e ...
... but they use materials with negative dielectric responses, and they absorb much of the light in a way that seriously degrades both the resolution and brightness of the image. Here we demonstrate an alternative “quantum metamaterials” (QM) approach that uses materials structured at the nanoscale, i.e ...
Synthesis of highly focused fields with circular
... requirements of a specific problem [10]. Interestingly, several authors described inverse methods to find the pupil function from a predetermined field distribution in the focal area [11, 12]. Light shaping can be accomplished by using an optical setup able to generate beams with arbitrary polariza ...
... requirements of a specific problem [10]. Interestingly, several authors described inverse methods to find the pupil function from a predetermined field distribution in the focal area [11, 12]. Light shaping can be accomplished by using an optical setup able to generate beams with arbitrary polariza ...
Qn_Bank1
... 4. Explain in detail the crystal defects and their types 5. Explain the characteristics of unit cell of the diamond and NaCl structure. 6. What is packing factor? Obtain packing factors for SC, BCC and FCC structures. (16) 7. What are miller indices? Derive an expression for interplanar spacing for ...
... 4. Explain in detail the crystal defects and their types 5. Explain the characteristics of unit cell of the diamond and NaCl structure. 6. What is packing factor? Obtain packing factors for SC, BCC and FCC structures. (16) 7. What are miller indices? Derive an expression for interplanar spacing for ...
Miniaturized Fiber-Optic Fabry-Perot Interferometer for Highly
... interferometer with a micrometric tip for highly sensitive refractive-index measurement. By demodulation of the interference spectrum, the change of optical path distance caused by the environment can be obtained. This effect can be very useful in a broad range of biomedical applications, such as re ...
... interferometer with a micrometric tip for highly sensitive refractive-index measurement. By demodulation of the interference spectrum, the change of optical path distance caused by the environment can be obtained. This effect can be very useful in a broad range of biomedical applications, such as re ...
A New Fiber Optic Spring
... springs are used for a large variety of functions in sensor applications such as the measurement of force, acceleration, vibration, and pressure. Although they provide different information, coiled metal springs have been used for at least 500 years in a variety of machine design applications and me ...
... springs are used for a large variety of functions in sensor applications such as the measurement of force, acceleration, vibration, and pressure. Although they provide different information, coiled metal springs have been used for at least 500 years in a variety of machine design applications and me ...
Analysis and Compensation of Four Wave Mixing Products in
... The simulation arrangement for FWM configuration is shown in fig. 1. Block diagram of the system is divided into three sections: transmitter, channel and receiver. In transmitter section first block is data source where data rate and bit is customized. The data source is the pseudo number sequence. ...
... The simulation arrangement for FWM configuration is shown in fig. 1. Block diagram of the system is divided into three sections: transmitter, channel and receiver. In transmitter section first block is data source where data rate and bit is customized. The data source is the pseudo number sequence. ...
Physical basis of colors seen in Congo red-stained amyloid
... be crossed. When Congo red-stained amyloid is considered, this arrangement is what is usually meant by ‘polarized light,’ but a more accurate expression is examination of a specimen between crossed polarizer and analyzer. There are two observations to explain, namely, how Congo red-stained amyloid a ...
... be crossed. When Congo red-stained amyloid is considered, this arrangement is what is usually meant by ‘polarized light,’ but a more accurate expression is examination of a specimen between crossed polarizer and analyzer. There are two observations to explain, namely, how Congo red-stained amyloid a ...
Refractive index dispersion and related properties in fluorine doped
... Refractive index dispersion has been determined for fluorine doped fused silica containing 1 and 2%fluorine. Addition of fluorine is found to reduce the refractive index and material dispersion. Fibers modeled for minimization of modal dispersion having fused silica cores and fluorine doped silica c ...
... Refractive index dispersion has been determined for fluorine doped fused silica containing 1 and 2%fluorine. Addition of fluorine is found to reduce the refractive index and material dispersion. Fibers modeled for minimization of modal dispersion having fused silica cores and fluorine doped silica c ...
UV-light microscope: improvements in optical imaging for a
... been used for stable isotope analyses of geological samples at high precision and accuracy.1,2 Isotope analyses are performed by sputtering of the sample surface using Cs+ or O primary ions that are focused, typically, to a diameter of 10–15 mm; secondary ions ejected from the sample surface are ex ...
... been used for stable isotope analyses of geological samples at high precision and accuracy.1,2 Isotope analyses are performed by sputtering of the sample surface using Cs+ or O primary ions that are focused, typically, to a diameter of 10–15 mm; secondary ions ejected from the sample surface are ex ...
Design and investigation of properties of nanocrystalline diamond
... Moreover, in both papers [7, 8] the NCD films were deposited on optically non-transparent substrates, which are rather mirrors and from the text in [7] it is not clear if the conditions for waveguiding properties are fulfilled. What concerns the NCD films deposited on Si [8] there could be found a p ...
... Moreover, in both papers [7, 8] the NCD films were deposited on optically non-transparent substrates, which are rather mirrors and from the text in [7] it is not clear if the conditions for waveguiding properties are fulfilled. What concerns the NCD films deposited on Si [8] there could be found a p ...
Optical Parametric Generation Spontaneous parametric down
... crystal for phase matching. In uniaxial crystals, the phasematching angle depends only on the angle between the Z axis and the k vector of the laser beam. This polar angle is usually called the phase-matching angle. The crystal cut is chosen to allow rotation of the phase-matching angle, while keepi ...
... crystal for phase matching. In uniaxial crystals, the phasematching angle depends only on the angle between the Z axis and the k vector of the laser beam. This polar angle is usually called the phase-matching angle. The crystal cut is chosen to allow rotation of the phase-matching angle, while keepi ...
