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Gigantskoe Inzhektsionnoe Magnitosoprotivlenie
ISBN: 9783659439643 / Rosyjski / Miękka / 116 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Sozdanie vysokochuvstvitelnykh magnitnykh sensorov i priborov spintroniki, rabotayushchikh pri komnatnoy temperature, yavlyaetsya aktualnoy problemoy fiziki magnetizma. Eta problema mozhet byt reshena polnostyu ili chastichno s pomoshchyu effekta gigantskogo inzhektsionnogo magnitosoprotivleniya (IMR-effekta), obnaruzhennogo v 2005 godu na geterostrukturakh, sostoyashchikh iz plenki SiO2 s nanochastitsami Co na arsenide galliya - SiO2(Co)/GaAs. IMR-effekt proyavlyaetsya pri inzhektsii elektronov iz SiO2(Co) v GaAs i dostigaet ekstremalno bolshikh znacheniy 100000% pri komnatnoy temperature....
Sozdanie vysokochuvstvitelnykh magnitnykh sensorov i priborov spintroniki, rabotayushchikh pri komnatnoy temperature, yavlyaetsya aktualnoy problemoy ...
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cena:
147,16 |
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Laserspektroskopie 1: Grundlagen
ISBN: 9783642213052 / Niemiecki / Twarda / 300 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In dem 2-bandigen Standardwerk erlautert der Autor die verschiedenen Techniken, die instrumentelle Ausrustung sowie die Bedeutung der Laserspektroskopie fur ein detailliertes Verstandnis der Struktur und Dynamik von Atomen und Molekulen. Band1 behandelt die Grundlagen der Spektroskopie sowie die experimentellen Hilfsmittel. Die Neuauflage wurde uberarbeitet, viele Abschnitte zu aktuellen Themen auf den neuesten Stand gebracht: u.a. Ultrakurzzeit-Spektroskopie, Attosekunden-Laser oder Laser-Interferometer als Detektoren fur Gravitationswellen. In dem 2-bandigen Standardwerk erlautert der Autor die verschiedenen Techniken, die instrumentelle Ausrustung sowie die Bedeutung der Laserspektros... |
cena:
225,72 |
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The Classical Theory of Fields: Electromagnetism
ISBN: 9783642232046 / Angielski / Twarda / 446 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The study of classical electromagnetic fields is an adventure. The theory is complete mathematically and we are able to present it as an example of classical Newtonian experimental and mathematical philosophy. There is a set of foundational experiments, on which most of the theory is constructed. And then there is the bold theoretical proposal of a field-field interaction from James Clerk Maxwell. This textbook presents the theory of classical fields as a mathematical structure based solidly on laboratory experiments. Here the student is introduced to the beauty of classical field... The study of classical electromagnetic fields is an adventure. The theory is complete mathematically and we are able to present it as an example of... |
cena:
201,24 |
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Power Quality in Interconnecting Renewable Energy to Electric Utility
ISBN: 9783846590126 / Angielski / Miękka / 200 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This book proposes several new utility interface converters to reduce cost, harmonic contents in line currents and to increase the reliability in interconnecting renewable energy sources such as wind, solar (photovoltaic), and fuel cells to electric utility. A new third harmonic current injection technique has been presented to reduce harmonic contents in the line current of controlled converters. A low cost, high efficiency, four-switch, three-phase PWM converter has been presented to interface small wind turbine with electric utility. A modular wind energy system along with modular utility...
This book proposes several new utility interface converters to reduce cost, harmonic contents in line currents and to increase the reliability in inte...
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cena:
353,37 |
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Optical Modulation
ISBN: 9783846586723 / Angielski / Miękka / 204 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Measurements of thallium and indium doped Silicon-On-Insulator rib waveguides show optical absorption at a wavelength of 1550nm, dependent on the charge state of the associated deep-level. Therefore, it is possible to use this effect to modulate waveguide transmission by means deep-level occupancy change induce by local depletion and/or injection of free-carriers. A one-dimensional model based on the generation and recombination process described by the modified Shockley-Read-Hall (SRH) mechanism was developed using MATLAB programming language in order to compute the optical absorption of a...
Measurements of thallium and indium doped Silicon-On-Insulator rib waveguides show optical absorption at a wavelength of 1550nm, dependent on the char...
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cena:
353,37 |
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Exploring Single Spin Physics in Self-Assembled Quantum Dots
ISBN: 9783838130200 / Angielski / Miękka / 80 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In semiconductors, free charge carriers such as electrons and holes can be confined in all three dimensions in nanometer sized regions called quantum dots (QDs). QDs are convenient tools to gain detailed insight into the single photon-single emitter interaction and they serve as optical probes to study semiconductor physics at the nanoscale. The spin state (spin-up or spin-down) of a trapped QD electron or QD hole is a promising candidate as a computational unit for quantum information processing (QIP), the application of quantum mechanics to information processing. QIP promises immense...
In semiconductors, free charge carriers such as electrons and holes can be confined in all three dimensions in nanometer sized regions called quantum ...
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cena:
241,09 |
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High-Power CW Green Lasers for Optical Metrology
ISBN: 9783838114347 / Angielski / Miękka / 252 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Compared to infrared lasers, high-power continuous-wave single-frequency (HPCWSF) laser sources emitting green light are beneficial in various engineering and physics applications. But in the past their output powers were limited to about 20 W. Light shining through a wall (LSW) experiments utilized pulsed lasers in the past. Their sensitivity was limited by the available average output powers of those systems with suitable beam quality and pulse length. These remained below 10 W. In this thesis a 532 nm HPCWSF laser source with an unprecedented long-term stable output power of 134 W was...
Compared to infrared lasers, high-power continuous-wave single-frequency (HPCWSF) laser sources emitting green light are beneficial in various enginee...
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cena:
402,12 |
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Co-Existence of Superconductivity and Ferromagnetism in Pr Doped YBCO
ISBN: 9783847313229 / Angielski / Miękka / 72 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The Green functions are especially useful for summing over the restricted classes of perturbation theory of diagrams, and are very powerful when combined with spectral representations. They play the most important part in the field-theoretical treatment of the many-body problem, and they are flexible enough to describe the effects of retarded interactions and all quantities of physical interest like thermodynamic properties can be derived from them. There are different types of Green functions,or propagators: One particle, two-particle,..., n particle, advanced, retarded, zero-temperature,...
The Green functions are especially useful for summing over the restricted classes of perturbation theory of diagrams, and are very powerful when comb...
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cena:
219,18 |
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Sustainable Electricity Production in a Developing Economy
ISBN: 9783847318538 / Angielski / Miękka / 60 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Sustainable Electricity Production in a Developing Economy, the case study of Ghana is geared toward policy makers in developing economies and to students taking engineering courses. The book's material is also applicable to researchers working to make electricity production in developing countries sustainable. The energy system and electricity inaccessibility is a global concern which calls for immediate action. This book focuses on thermal electricity production as a complimentary option. In addition to providing updated material in the rapidly developing electricity production system in...
Sustainable Electricity Production in a Developing Economy, the case study of Ghana is geared toward policy makers in developing economies and to stud...
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cena:
219,18 |
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Electromagnetic Modeling of Reflectarray Antennas
ISBN: 9783847374855 / Angielski / Miękka / 160 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Future antenna architectures especially for space applications are becoming more and more complex due to the need of Electronic Reconfigurability. This reconfigurability is needed in terms of Radiation Pattern, Bandwidth, Reliability, and Power Consumption. In this context, Electronically Tunable Reflectarrays and Frequency Selective Surfaces (FSSs) are particularly the hottest domains of RF design. The accurate analysis of electromagnetic(EM) scattering from such reconfigurable antenna structures is of great practical interest these days. However due to their large electrical size and...
Future antenna architectures especially for space applications are becoming more and more complex due to the need of Electronic Reconfigurability. Thi...
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cena:
263,91 |
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Power System Protection and Coordination
ISBN: 9783847333234 / Angielski / Miękka / 164 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In this book, adaptive protection schemes for power systems with DG units are proposed by integrating fault diagnosis with protection relay coordination strategies. An automated fault diagnosis method is developed using three staged radial basis function neural network (RBFNN) in which the first RBFNN determines the fault distance from each source, the second RBFNN identifies the exact faulty line and the third RBFNN determines the circuit breakers that must be open or close for isolating the faulty zone. After identifying the exact faulty line, then protection relay coordination is...
In this book, adaptive protection schemes for power systems with DG units are proposed by integrating fault diagnosis with protection relay coordinati...
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cena:
304,16 |
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Optical Absorption and El of Cu Doped Zinc Sulphide Nanocrystals
ISBN: 9783847317456 / Angielski / Miękka / 56 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Synthesis and characterization of nano-sized particles has currently been a topic of intense investigation. In recent years, much effort has been devoted to the research of doped nanostructured materials. This kind of nanomaterials exhibits unusual physical and chemical properties in comparison with their bulk counterpart. As an important II-VI material, ZnS is chemically more stable and technologically better than other chalcogenides. In this thesis, we report an effective doping process by chemical route method to obtain nanosized ZnS:Cu particles. I have prepare five different samples...
Synthesis and characterization of nano-sized particles has currently been a topic of intense investigation. In recent years, much effort has been devo...
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cena:
219,18 |
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Radar Absorbing Materials and Microwave Shielding Structures Design
ISBN: 9783846559390 / Angielski / Miękka / 472 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The book focuses on electromagnetic absorbing and shielding properties of multilayer materials. Nanomaterials are widely used and composite materials dielectric characterization is deeply discussed. Very little academic literature exists on how to model(design) an electromagnetic absorber using matrix formalism of microwave propagation through multilayer materials. This book therefore, provides an interesting approach to the absorbers design in which different branches of science are applied and where all of them are used to optimize the "quasi perfect absorber": nanotechnology,...
The book focuses on electromagnetic absorbing and shielding properties of multilayer materials. Nanomaterials are widely used and composite materials ...
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cena:
353,37 |
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Qualitative Analysis of Hydrodynamical Models of Charge Transport in Semiconductors
ISBN: 9781617617911 / Angielski / Twarda / 181 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. For the last decades mathematical simulation of physical phenomena in semiconductor devices becomes an actual and rapidly developing area of applied mathematics. Progress in microelectronic technologies enables constructing semiconductor devices of extremely small size. This title discusses the dynamics in this process.
For the last decades mathematical simulation of physical phenomena in semiconductor devices becomes an actual and rapidly developing area of applied m...
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cena:
1339,68 |
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Nonlinear Photonics and Novel Optical Phenomena
ISBN: 9781461435372 / Angielski / Twarda / 384 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Nonlinear Photonics and Novel Optical Phenomena contains contributed chapters from leading experts in nonlinear optics and photonics, and provides a comprehensive survey of fundamental concepts as well as hot topics in current research on nonlinear optical waves and related novel phenomena. The book covers self-accelerating airy beams, integrated photonics based on high index doped-silica glass, linear and nonlinear spatial beam dynamics in photonic lattices and waveguide arrays, the theory of polariton solitons in semiconductor microcavities, and Terahertz waves. Nonlinear Photonics and Novel Optical Phenomena contains contributed chapters from leading experts in nonlinear optics and photonics, and provides ... |
cena:
402,53 |
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Wechselrichter für Kleinwindkraftanlagen
ISBN: 9783639216288 / Niemiecki / Miękka / 128 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Die immer grosser werdende Anzahl an dezentralen Einspeiseanlagen erfordert auch Neu- und Weiterentwicklungen auf diesem Gebiet. Waren es bislang Photovoltaikanlagen so ist derzeit eine parallele Entwicklung hin zu Kleinwindkraftanlagen zu erkennen. Diese Art der Energieerzeugung ist aufgrund der vielen in den letzten Jahren errichteten Grosswindanlagen, welche auch in Windparks konzentriert sein konnen nicht unbekannt jedoch stellen kleine Einheiten wesentlich andere Anforderungen an die zugehorigen Betriebsmittel als dies bei Grossanlagen der Fall ist. In diesem Buch soll eine der...
Die immer grosser werdende Anzahl an dezentralen Einspeiseanlagen erfordert auch Neu- und Weiterentwicklungen auf diesem Gebiet. Waren es bislang Phot...
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cena:
263,91 |
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Informational Limits in Optical Polarimetry and Vectorial Imaging
ISBN: 9783642285271 / Angielski / Twarda / 232 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Central to this thesis is the characterisation and exploitation of electromagnetic properties of light in imaging and measurement systems. To this end an information theoretic approach is used to formulate a hitherto lacking, quantitative definition of polarisation resolution, and to establish fundamental precision limits in electromagnetic systems. Furthermore rigorous modelling tools are developed for propagation of arbitrary electromagnetic fields, including for example stochastic fields exhibiting properties such as partial polarisation, through high numerical aperture optics. Finally...
Central to this thesis is the characterisation and exploitation of electromagnetic properties of light in imaging and measurement systems. To this end...
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cena:
402,53 |
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Continuous-wave terahertz light from optical parametric oscillators
ISBN: 9783838126951 / Niemiecki / Miękka / 104 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Continuous-wave (cw) optical parametric oscillators (OPOs) are working horses for spectroscopy for near and mid infrared wavelengths. However, in the terahertz frequency range (0.1 to 10 THz), the pump threshold for oscillation is larger than 100 W due to high absorptions and thus exceeds the power of standard cw single-frequency pump sources. In this thesis, the first cw OPO capable of generating terahertz radiation is demonstrated. To overcome the threshold, the signal wave of a primary infrared process is resonantly enhanced to serve as a pump wave for a cascaded parametric process with...
Continuous-wave (cw) optical parametric oscillators (OPOs) are working horses for spectroscopy for near and mid infrared wavelengths. However, in the ...
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cena:
241,09 |
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Photon Statistics of Semiconductor Light Sources
ISBN: 9783838128221 / Angielski / Miękka / 152 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Modern telecommunications technologies rely on optical data transmission and storage. Keeping pace with this development requires light sources with high modulation rates and low power consumption. Efficient interfaces between optoelectronic devices and common electronics require semiconductor-based light sources. A combination of both is found in semiconductor structures with reduced dimensionality like quantum wells or quantum dots. Placing these as emitters inside microcavities allows for the creation of compact and efficient coherent light sources. This work characterizes several...
Modern telecommunications technologies rely on optical data transmission and storage. Keeping pace with this development requires light sources with h...
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cena:
312,66 |
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Low Frequency and Circuit based Quantum Cascade Lasers
ISBN: 9783838128573 / Angielski / Miękka / 244 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Quantum cascade lasers are unipolar semiconductor lasers based on intersubband transitions in quantum wells. They have shown laser operation from above 100 THz down to the terahertz region and are promising sources for the terahertz region (0.3-10 THz) which is lacking of efficient narrowband radiation sources. A low frequency quantum cascade laser design is developed that faces the emerging challenges when the photon energy approaches the broadening of the energy levels. A record lowest operation frequency of 1.2 THz is demonstrated. A hybrid laser-oscillator for the terahertz is developed...
Quantum cascade lasers are unipolar semiconductor lasers based on intersubband transitions in quantum wells. They have shown laser operation from abov...
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cena:
402,12 |
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