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Aalborg Universitet theoretical analysis of finite-height semiconductor-on-insulator based planar photonic
... and they are analogous to the electronic bandgaps in semiconductor materials that can be related to the periodic arrangement of atoms on a crystal lattice. The new dielectric materials are often referred to as photonic crystals. Since then, a new field of research has started that seeks to understan ...
... and they are analogous to the electronic bandgaps in semiconductor materials that can be related to the periodic arrangement of atoms on a crystal lattice. The new dielectric materials are often referred to as photonic crystals. Since then, a new field of research has started that seeks to understan ...
CHAPTER 4 Fiber optic III: attenuation and dispersion
... losses: also called bending losses, occur when the fibre is curved. There are two types of radiative losses: Microbending losses. Macrobending losses. ...
... losses: also called bending losses, occur when the fibre is curved. There are two types of radiative losses: Microbending losses. Macrobending losses. ...
Asymmetric surface plasmon polariton emission by a dipole emitter
... transitions in atoms near a metal surface may also constitute an avenue for creating circularly polarized near-field sources. Another approach for engineering SPP radiation patterns may consist of engineering the properties of the plasmonic ...
... transitions in atoms near a metal surface may also constitute an avenue for creating circularly polarized near-field sources. Another approach for engineering SPP radiation patterns may consist of engineering the properties of the plasmonic ...
Get
... freedom from the actual simulation and design point of view. This problem has not been completely solved yet and is thus considered here. Usually in simulations, structured profiles of simple or complex gratings, e.g., rectangular, circular, sinusoidal, or triangular cross sections, are assumed to b ...
... freedom from the actual simulation and design point of view. This problem has not been completely solved yet and is thus considered here. Usually in simulations, structured profiles of simple or complex gratings, e.g., rectangular, circular, sinusoidal, or triangular cross sections, are assumed to b ...
Hybridization of atomic orbitals
... Atomic orbitals are (energy) states or wave forms of electrons in the atom. If we insist on the particle nature of electrons, then the probability of finding an electron in an atomic orbital is proportional to the square of the wavefunction. The values of the wavefunction can be either positive or n ...
... Atomic orbitals are (energy) states or wave forms of electrons in the atom. If we insist on the particle nature of electrons, then the probability of finding an electron in an atomic orbital is proportional to the square of the wavefunction. The values of the wavefunction can be either positive or n ...
diffraction gratings
... the next. Holographic grating grooves may be either parallel or of unequal distribution in order that system performance may be optimised. Holographic gratings are generated on plano, spherical, toroidal, and many other surfaces. Regardless of the shape of the surface or whether classically ruled or ...
... the next. Holographic grating grooves may be either parallel or of unequal distribution in order that system performance may be optimised. Holographic gratings are generated on plano, spherical, toroidal, and many other surfaces. Regardless of the shape of the surface or whether classically ruled or ...
Fluctuations in Ideal and Interacting Bose
... Three qualities of Herbert Walther stand out most clearly: His enormous energy, his unique dedication to science and his special eye for scientific quality. He obviously must subscribe to the German motto: “Die Probleme existieren, um überwunden zu werden” (problems exist to be overcome). This state ...
... Three qualities of Herbert Walther stand out most clearly: His enormous energy, his unique dedication to science and his special eye for scientific quality. He obviously must subscribe to the German motto: “Die Probleme existieren, um überwunden zu werden” (problems exist to be overcome). This state ...
Handbook of Optical Filters for Fluorescence Microscopy
... Several factors influence the amount of fluorescence emitted by a stained specimen with a given amount of excitation intensity. These include 1) the dye concentration within stained sections of the specimen, and the thickness of the specimen; 2) the extinction coefficient of the dye; 3) the quantum ...
... Several factors influence the amount of fluorescence emitted by a stained specimen with a given amount of excitation intensity. These include 1) the dye concentration within stained sections of the specimen, and the thickness of the specimen; 2) the extinction coefficient of the dye; 3) the quantum ...
Final Exam
... ____ 15. If the energy of 1.00 mole of photons is 441 kJ, what is the wavelength of the light? a. 271 nm b. 451 nm c. 680 nm d. 732 nm e. 891 nm ____ 16. What type of orbital is designated n = 4, = 3, m = -3? a. 4s b. 4p c. 4d d. 4f e. none ____ 17. Which of the following orbitals might have m = ...
... ____ 15. If the energy of 1.00 mole of photons is 441 kJ, what is the wavelength of the light? a. 271 nm b. 451 nm c. 680 nm d. 732 nm e. 891 nm ____ 16. What type of orbital is designated n = 4, = 3, m = -3? a. 4s b. 4p c. 4d d. 4f e. none ____ 17. Which of the following orbitals might have m = ...
AS Chemistry - Edexcel
... in the boxes at the top of this page with your name, • Fill centre number and candidate number. Answer all questions. • Answer the in the spaces provided • – there may bequestions more space than you need. ...
... in the boxes at the top of this page with your name, • Fill centre number and candidate number. Answer all questions. • Answer the in the spaces provided • – there may bequestions more space than you need. ...
Terahertz wave imaging: horizons and hurdles
... bandwidth and parallel imaging capability. In an electro-optic sampling setup, the field-induced birefringence of the sensor crystal, due to an applied electric field (THz wave), will modulate the polarization ellipticity of an optical probe beam that passes through the crystal. The ellipticity modu ...
... bandwidth and parallel imaging capability. In an electro-optic sampling setup, the field-induced birefringence of the sensor crystal, due to an applied electric field (THz wave), will modulate the polarization ellipticity of an optical probe beam that passes through the crystal. The ellipticity modu ...
Introduction to Diffraction Grating
... holographic grating is an advantage. Resolving Power: The resolving power of a grating is a measure of its ability to spatially separate two wavelengths. It is determined by applying the Rayleigh criteria to the diffraction maxima; two wavelengths are resolvable when the maxima of one wavelength coi ...
... holographic grating is an advantage. Resolving Power: The resolving power of a grating is a measure of its ability to spatially separate two wavelengths. It is determined by applying the Rayleigh criteria to the diffraction maxima; two wavelengths are resolvable when the maxima of one wavelength coi ...
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... dipole to be driven by the unperturbed incident field, but have to selfconsistently include the field emitted by the atom, and circulating in the cavity, into the total driving field. Thus for η > 1, the backaction of the cavity field generated by the oscillating atomic dipole on that same dipole is ...
... dipole to be driven by the unperturbed incident field, but have to selfconsistently include the field emitted by the atom, and circulating in the cavity, into the total driving field. Thus for η > 1, the backaction of the cavity field generated by the oscillating atomic dipole on that same dipole is ...
INTRODUCTION ...
... Inelastic neutron scattering is the process by which neutrons collide with atomic nuclei and either gain or lose kinetic energy. In this it is conceptually very similar to Raman scattering, but there are significant differences. The major difference is that photons (electromagnetic radiation) intera ...
... Inelastic neutron scattering is the process by which neutrons collide with atomic nuclei and either gain or lose kinetic energy. In this it is conceptually very similar to Raman scattering, but there are significant differences. The major difference is that photons (electromagnetic radiation) intera ...
MONOTONIC TUNING OF PLASMON RESONANCE USING
... scattering intensity) SERS signals demonstrate maximum enhancement with plasmon resonance λ PR=504nm, which is the center wavelength of excitation and Raman shifted wavelength. To conclude, this work directly shows systematic investigation of the relationship between the plasmon resonance and SERS b ...
... scattering intensity) SERS signals demonstrate maximum enhancement with plasmon resonance λ PR=504nm, which is the center wavelength of excitation and Raman shifted wavelength. To conclude, this work directly shows systematic investigation of the relationship between the plasmon resonance and SERS b ...
DEMONSTRATION OF RYDBERG BLOCKADE AND A NEUTRAL
... atoms. These include elements from the fields of quantum mechanics, optics, lasers, radio frequency (RF) devices, electronic feedback and control, and are accompanied with theoretical work in all these areas to understand the many interactions that we see in our experiment on a daily basis. This cha ...
... atoms. These include elements from the fields of quantum mechanics, optics, lasers, radio frequency (RF) devices, electronic feedback and control, and are accompanied with theoretical work in all these areas to understand the many interactions that we see in our experiment on a daily basis. This cha ...
Chapter 4 Elements and Symbols
... An alternative system uses numbers of 1–18 for all of the groups, from left to right, across the periodic table. Because both systems are currently in use, they are both shown on the periodic table in this text and are included in our discussions of elements and group numbers. ...
... An alternative system uses numbers of 1–18 for all of the groups, from left to right, across the periodic table. Because both systems are currently in use, they are both shown on the periodic table in this text and are included in our discussions of elements and group numbers. ...
Visible to near-infrared optical properties of pure synthetic olivine
... summarized briefly here. Olivine is an orthosilicate with a nearly hexagonally close-packed structure. It has a general formula of M1M2SiO4, where the cation sites (M1, M2) are six-coordinated (octahedral). The dominant (stoichiometric) divalent cations (Fe2+, Mg2+) occupy the octahedral cation site ...
... summarized briefly here. Olivine is an orthosilicate with a nearly hexagonally close-packed structure. It has a general formula of M1M2SiO4, where the cation sites (M1, M2) are six-coordinated (octahedral). The dominant (stoichiometric) divalent cations (Fe2+, Mg2+) occupy the octahedral cation site ...
X-ray fluorescence
![](https://commons.wikimedia.org/wiki/Special:FilePath/LDAutoXRFPic.jpg?width=300)
X-ray fluorescence (XRF) is the emission of characteristic ""secondary"" (or fluorescent) X-rays from a material that has been excited by bombarding with high-energy X-rays or gamma rays. The phenomenon is widely used for elemental analysis and chemical analysis, particularly in the investigation of metals, glass, ceramics and building materials, and for research in geochemistry, forensic science and archaeology.