Double Negative Materials (DNM) - Institute for Defense Analyses
... Response From a Forced Harmonic System ......................................................... 3-3 3-4. Transport of EM Radiation Through a Material Showing the Source (S), a dipole Absorber/Emitter in the Material, and an External Point (P) at Which the Field Is Recorded ......................... ...
... Response From a Forced Harmonic System ......................................................... 3-3 3-4. Transport of EM Radiation Through a Material Showing the Source (S), a dipole Absorber/Emitter in the Material, and an External Point (P) at Which the Field Is Recorded ......................... ...
Properties and sensing characteristics of surface
... ⬍ 1.8), and 16.5°–16.8° for silicon (3.45 ⬍ n p ⬍ 3.7), while those of the aqueous medium were 60°–80°, 50°– 55°, and 22°–25°, respectively. The width of the reflectivity minima decreased with an increase of the prism refractive index; the result was especially remarkable for the calculated curves. ...
... ⬍ 1.8), and 16.5°–16.8° for silicon (3.45 ⬍ n p ⬍ 3.7), while those of the aqueous medium were 60°–80°, 50°– 55°, and 22°–25°, respectively. The width of the reflectivity minima decreased with an increase of the prism refractive index; the result was especially remarkable for the calculated curves. ...
Polarized Light
... Analysis of unknown polarization • If a linear polarizer is rotated and the transmission goes to zero at some angle, then input is linearly polarized, DONE. • If no there is no variation with polarizer rotation, light is circularly polarized, unpolarized, or a mixture of these – to distinguish betw ...
... Analysis of unknown polarization • If a linear polarizer is rotated and the transmission goes to zero at some angle, then input is linearly polarized, DONE. • If no there is no variation with polarizer rotation, light is circularly polarized, unpolarized, or a mixture of these – to distinguish betw ...
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)
... mechanical touch. By using the various effects of light, dielectric particles ranging in size from submicron to hundreds of microns can be successfully held by a beam (or beams) of light. Optical tweezers is a type of optical micro-manipulation and micro-fabrication system. Optical tweezers are scie ...
... mechanical touch. By using the various effects of light, dielectric particles ranging in size from submicron to hundreds of microns can be successfully held by a beam (or beams) of light. Optical tweezers is a type of optical micro-manipulation and micro-fabrication system. Optical tweezers are scie ...
Chapter 3: Dielectric Waveguides and Optical Fibers
... Graded index optical fibers Light absorption and scattering Attenuation in optical fibers ...
... Graded index optical fibers Light absorption and scattering Attenuation in optical fibers ...
Composite THz materials using aligned metallic
... Therefore, applicability of formulas developed for the periodic wire arrays to our metamaterials is questionable if at all justified. Instead, to describe our metamaterials one has to use effective random media theories such as Maxwell-Garnett or Bruggeman theories. Moreover, in most experimental wo ...
... Therefore, applicability of formulas developed for the periodic wire arrays to our metamaterials is questionable if at all justified. Instead, to describe our metamaterials one has to use effective random media theories such as Maxwell-Garnett or Bruggeman theories. Moreover, in most experimental wo ...
question 2 - Larbert High School
... a) What is meant by the ‘work function of a metal’ being 6.4x10-19J? b) Light of frequency 1.2x1015Hz is shone on to the metal surface. Find out whether these photons of light will cause photoelectric emission. c) The light is then replaced by another light of frequency 1.5x1015Hz. How much extra en ...
... a) What is meant by the ‘work function of a metal’ being 6.4x10-19J? b) Light of frequency 1.2x1015Hz is shone on to the metal surface. Find out whether these photons of light will cause photoelectric emission. c) The light is then replaced by another light of frequency 1.5x1015Hz. How much extra en ...
2. Higher Particles and Waves Questions [ppt
... a) What is meant by the ‘work function of a metal’ being 6.4x10-19J? b) Light of frequency 1.2x1015Hz is shone on to the metal surface. Find out whether these photons of light will cause photoelectric emission. c) The light is then replaced by another light of frequency 1.5x1015Hz. How much extra en ...
... a) What is meant by the ‘work function of a metal’ being 6.4x10-19J? b) Light of frequency 1.2x1015Hz is shone on to the metal surface. Find out whether these photons of light will cause photoelectric emission. c) The light is then replaced by another light of frequency 1.5x1015Hz. How much extra en ...
Sheets Mar 2014 - Arab Academy for Science, Technology
... 8] A typical relative refractive index difference for an optical fiber designed for long transmission is 1%. Estimate the NA and the solid acceptance angle in air for the fiber when the core index is 1.46. Further, calculate the critical angle at the core-cladding interface within the fiber. It may ...
... 8] A typical relative refractive index difference for an optical fiber designed for long transmission is 1%. Estimate the NA and the solid acceptance angle in air for the fiber when the core index is 1.46. Further, calculate the critical angle at the core-cladding interface within the fiber. It may ...
OW1: Experiment on Planar Waveguides
... direction of the laser output may be defined by firstly fixing the transmission axis of the polarizer at the desired angle, and then rotating the laser about its axis to achieve maximum transmission (i.e. maximum brightness of the illuminated spot when the beam intersects the white screen). The more ...
... direction of the laser output may be defined by firstly fixing the transmission axis of the polarizer at the desired angle, and then rotating the laser about its axis to achieve maximum transmission (i.e. maximum brightness of the illuminated spot when the beam intersects the white screen). The more ...
OW1: Experiment on Planar Waveguides
... direction of the laser output may be defined by firstly fixing the transmission axis of the polarizer at the desired angle, and then rotating the laser about its axis to achieve maximum transmission (i.e. maximum brightness of the illuminated spot when the beam intersects the white screen). The more ...
... direction of the laser output may be defined by firstly fixing the transmission axis of the polarizer at the desired angle, and then rotating the laser about its axis to achieve maximum transmission (i.e. maximum brightness of the illuminated spot when the beam intersects the white screen). The more ...
... diffraction efficiency around the first Bragg’s angle replay (20.8) for different thickness. In this figure can be seen how the secondary lobes are vanished and the principal lobe width is constant for thickness higher than 1000 µm. This is the effective optical thickness of the gratings recoded wit ...
Inferring periodic orbits from spectra of simply
... the full effective refractive index. It is a sum over two terms: one corresponding to the phase velocity, nef f 共km兲, and the nef f other one to the group velocity, km k 共km兲. If n full is considered as a constant over the observation range, which is true with a good accuracy, ␦k can be retrieved ...
... the full effective refractive index. It is a sum over two terms: one corresponding to the phase velocity, nef f 共km兲, and the nef f other one to the group velocity, km k 共km兲. If n full is considered as a constant over the observation range, which is true with a good accuracy, ␦k can be retrieved ...
ABSTRACT Dissertation: STUDIES OF
... micrometer scale, which is in the visible light range. We know that scattering and diffraction happen when the object size is on the same order of the impinging light wavelength. However, when the dimension of an object is in the nanometer range, a lot of optical properties change. For example, from ...
... micrometer scale, which is in the visible light range. We know that scattering and diffraction happen when the object size is on the same order of the impinging light wavelength. However, when the dimension of an object is in the nanometer range, a lot of optical properties change. For example, from ...
Handout 8 - Cornell University
... c assuming that the field and its derivative are continuous across all dielectric interfaces. This is called the scalar field approximation. Once the dominant electric field component has been found, the remaining field components can be found as in the case of the semi-vectorial approximation. Scal ...
... c assuming that the field and its derivative are continuous across all dielectric interfaces. This is called the scalar field approximation. Once the dominant electric field component has been found, the remaining field components can be found as in the case of the semi-vectorial approximation. Scal ...
Focusing of light through a stratified medium: a practical
... the various polarization contributions, these extremal rays are considered to be transmitted without reflections, namely with constant intensity, an assumption which may be questionable for high incidence rays or when large differences exist in the refraction indices. As a consequence, one can quest ...
... the various polarization contributions, these extremal rays are considered to be transmitted without reflections, namely with constant intensity, an assumption which may be questionable for high incidence rays or when large differences exist in the refraction indices. As a consequence, one can quest ...
Guided modes of integrated optical guides. A mathematical study
... The properties of the operator are presented in Section 3. Its spectrum consists of an essential spectrum corresponding to a continuum of radiation modes and of a point spectrum corresponding to guided modes. We determine the lower bound of the essential spectrum, which is given by the fundamental m ...
... The properties of the operator are presented in Section 3. Its spectrum consists of an essential spectrum corresponding to a continuum of radiation modes and of a point spectrum corresponding to guided modes. We determine the lower bound of the essential spectrum, which is given by the fundamental m ...
Experimental study on Extremely-Thin-Body In0
... the Si layers. The cross-sectional TEM image of the Si/SiGe/Si heterostructure in the inset of Fig. S5 indicates that the thickness of the SiGe layer after annealing is increased to approximately 50 nm. The dry etching of the 600-nm-wide waveguide also causes partial strain relaxation by 15%, as sho ...
... the Si layers. The cross-sectional TEM image of the Si/SiGe/Si heterostructure in the inset of Fig. S5 indicates that the thickness of the SiGe layer after annealing is increased to approximately 50 nm. The dry etching of the 600-nm-wide waveguide also causes partial strain relaxation by 15%, as sho ...