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2 Ultrafast Lasers and Amplifiers
2 Ultrafast Lasers and Amplifiers

... laser and other (particle) sources to study the properties of matter. The extremely short pulse duration allows one to create, detect and study very short-lived transient chemical reaction intermediates and transition states. Ultrafast lasers can also be used to produce laser pulses with enormous pe ...
Displays - La Salle University
Displays - La Salle University

... • Color depth is the number of bits used to specify the color for each pixel. • The number of possible colors will be 2 raised to the color depth. This will be related to the number of intensity level of the electron guns. • For example “true color” uses 32 bits and thus has ...
Antimony Oxide Glasses and Their Nanocomposites for Optical
Antimony Oxide Glasses and Their Nanocomposites for Optical

... Contemporary glass research focuses on the development of specialized or unusual glasses as a novel media for photonic, plasmonic and nanophotonic technologies by incorporating luminescent rare-earth ions, metal nanoparticles, semiconductor nanoparticles, etc and their hybrids [1-3]. Research in the ...
182.pdf
182.pdf

... and its presence even in low index-contrast photonic crystals emphasize the possibility of extremely good ordering in selfassembled photonic crystals. This paper is organized as follows. In Sec. II, the experimental details will be presented. In Sec. III, results on the optical properties of the pho ...
In situ transmission electron microscopy of stress
In situ transmission electron microscopy of stress

... B19 . Note that there is no indication of the occurrence of the Rphase. A series of diffraction patterns during straining is shown in Fig. 2, and allows to determine the orientation relationship between austenite and martensite which is in this case [1, −1, 0]B19 //[1, 1, −1]B2 with an angle of 4. ...
The Casimir Force Between Real Materials
The Casimir Force Between Real Materials

Structural Materials
Structural Materials

Quadratic solitons: recent developments
Quadratic solitons: recent developments

... second harmonic), but must be used with caution otherwise. Actually, most of the quadratic solitons of highest interest occur near phase matching or under conditions where all the multicolor waves required to form a soliton participate on a similar footing in the parametric wave interaction. Such so ...
50 Years after Albert Einstein: The Failure of the
50 Years after Albert Einstein: The Failure of the

... intent against him. This perception was intensified because some of the 'leaks' could be traced back to Infeld. Rumors had travelled all the way to the Soviet Union and back, because Infeld, as you know, was a Stalinist informer. And he never paid for it. J - ...and Einstein didn't know that at the ...
Photonic Crystal Fibers
Photonic Crystal Fibers

... ⊥ is the transversal magnetic field in Hermite–Gaussian basis. Solving eigenvalue problem propagation constant β and field distribution can be obtained. This method has been developed for modeling PCF with circular holes and hexagonal lattice. It allows modeling of modal and dispersion properties of ...
INSTRUCTIUNI DE REDACTARE
INSTRUCTIUNI DE REDACTARE

... use of the end product, even after multiple steps distillations. This is one of the reasons of the present research. The common alimentary solvents are polar (water, alcohol) with high microwaves loss. The use of these solvents destroy the local convection in the process of extraction. One way to re ...
Electromagnetism and ElectroMagnetic Induction
Electromagnetism and ElectroMagnetic Induction

... Generators and Alternating Current It is easier to move the wire (or coil of wire) than it is to move the magnet. If we do this we produce current that changes direction with each turn. Chpt 25 – Magnetism and Electromagnetic Induction ...
Prospects of Emerging Engineered oxide nanomaterials and their
Prospects of Emerging Engineered oxide nanomaterials and their

... size distribution), chemical composition (crystallinity, purity), surface structure (surface-reactivity, sensitivity, and groups), porosity, shape, aggregation and defect centers (charged and neutral vacancies, F+ or F2+ and F0, respectively). In addition to above, reduction in crystal size would si ...
X04704145151
X04704145151

... especially for high power use. However, organic materials are perceived as being structurally more diverse and therefore are believed to have more long term promise than inorganics. Recent interest is concentrated on metal complexes of organic compounds owing to their large nonlinearity [2]. The - ...
Optical Distinctions Between Weyl Semimetal TaAs and Dirac
Optical Distinctions Between Weyl Semimetal TaAs and Dirac

... anomalous Hall effects and unusual optical conductivity.17,18 The existence of linear dispersions, low energy excitations and poor screening make a Weyl fermion a good candidate to show novel optical properties in linear and nonlinear responses. Therefore, fairly recently, it has been proposed theor ...
M F L OLDING THE
M F L OLDING THE

... modes in photonic crystals.4,5 The main differences are that electrons are described by a complex scalar field and strongly interact with each other, whereas photons are described by a vector field and do not interact with each other. For all practical purposes, then, solution of photon equations lead ...
EQUILIBRIUM MODE DISTRIBUTION IN W
EQUILIBRIUM MODE DISTRIBUTION IN W

... conditions, higher order modes will always appear in the output. Such higher order modes reduce the bandwidth of the W-type fiber and necessitate that the group delay difference between modes be minimized by optimizing the fiber’s refractive index profile [11]. As modal attenuation, coupling and dis ...
Monitors - La Salle University
Monitors - La Salle University

... • Color depth is the number of bits used to specify the color for each pixel. • The number of possible colors will be 2 raised to the color depth. This will be related to the number of intensity level of the electron guns. • For example “true color” uses 32 bits and thus has ...
A Tale of Two Limits: Fundamental Properties of Photonic-Crystal Fibers
A Tale of Two Limits: Fundamental Properties of Photonic-Crystal Fibers

... there is the possibility of a long-wavelength cutoff for guidance, but precisely how much decreased-index regions does one need to have such a cutoff? Third, under some circumstances it is possible to obtain a single-polarization fiber, in which the waveguide is truly single-mode (as opposed to two deg ...
Lecture 45
Lecture 45

... contain regularly repeating internal regions of high and low dielectric constant. Photons (as waves) propagate through this structure - or not - depending on their wavelength. Wavelengths of light that are allowed to travel are known as modes, and groups of allowed modes form bands. Disallowed bands ...
Beryllium: Properties and Applications Laura Coyle I. Introduction
Beryllium: Properties and Applications Laura Coyle I. Introduction

... cost by up to 50%. Aluminum-Beryllium is a lower cost alternative but the mixture negatively impacts many of the desired properties of pure beryllium. For fabrication of the mirrors themselves, it is often more cost effective to use near-net shaped HIP rather than machining a blank, especially for l ...
chapter 9
chapter 9

The presence of different oxidation states of cations in optical hosts
The presence of different oxidation states of cations in optical hosts

... Absorption, electron spin resonance (ESR) and RBS spectra were analyzed with the aim to define of oxidation states and sites of cobalt ions in gehlenite structure of SrLaGa3 O7 single crystal. It was stated that cobalt 2+ substitute octahedral sites, which is rather not expected result. ESR measureme ...
Synthesis, Growth and characterization of L-Histidine
Synthesis, Growth and characterization of L-Histidine

... UV-Vis-NIR spectral studies confirmed that the grown crystal has wide transparency in the visible region, the good transparency shows that LHHB crystal can be used for non-linear optical applications. The refractive index value was determined to be 1.505, this value shows that the grown crystal is s ...
Three-Dimensional Nanostructures for Photonics - KIT
Three-Dimensional Nanostructures for Photonics - KIT

... layer of the desired structure. Several layers are then stacked on top of each other using micromanipulation techniques[32] or they are optically aligned and subsequently connected via wafer fusion layer-by-layer.[30] As the 2D structure of each layer is defined via electron-beam lithography, functi ...
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Transformation optics

Transformation optics applies metamaterials to produce spatial variations, derived from coordinate transformations, which can direct chosen bandwidths of electromagnetic radiation. This can allow for the construction of new composite artificial devices, which probably could not exist without metamaterials and coordinate transformation. Computing power that became available in the late 1990s enables prescribed quantitative values for the permittivity and permeability, the constitutive parameters, which produce localized spatial variations. The aggregate value of all the constitutive parameters produces an effective value, which yields the intended or desired results.Hence, complex artificial materials, known as metamaterials, are used to produce transformations in optical space.The mathematics underpinning transformation optics is similar to the equations that describe how gravity warps space and time, in general relativity. However, instead of space and time, these equations show how light can be directed in a chosen manner, analogous to warping space. For example, one potential application is collecting sunlight with novel solar cells by concentrating the light in one area. Hence, a wide array of conventional devices could be markedly enhanced by applying transformation optics.
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