Littérature scientifique sur le sujet « Travelling wave linear accelerators »
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Articles de revues sur le sujet "Travelling wave linear accelerators"
Quanfeng, Li, Yan Huiyong, Du Taibin et Wang Peiqing. « Irradiation of semiconductor devices using a 10 MeV travelling wave electron linear accelerator ». Nuclear Instruments and Methods in Physics Research Section B : Beam Interactions with Materials and Atoms 174, no 1-2 (mars 2001) : 194–98. http://dx.doi.org/10.1016/s0168-583x(00)00438-9.
Texte intégralLonguet-Higgins, M. S. « The propagation of short surface waves on longer gravity waves ». Journal of Fluid Mechanics 177 (avril 1987) : 293–306. http://dx.doi.org/10.1017/s002211208700096x.
Texte intégralLiu, Shikuo, Zuntao Fu, Shida Liu et Zhanggui Wang. « Combinability of Travelling Wave Solutions to Nonlinear Evolution Equation ». Zeitschrift für Naturforschung A 59, no 10 (1 octobre 2004) : 623–28. http://dx.doi.org/10.1515/zna-2004-1001.
Texte intégralMcDonald, Fleur, Robert I. McLachlan, Brian E. Moore et G. R. W. Quispel. « Travelling wave solutions of multisymplectic discretizations of semi-linear wave equations ». Journal of Difference Equations and Applications 22, no 7 (28 mars 2016) : 913–40. http://dx.doi.org/10.1080/10236198.2016.1162161.
Texte intégralHolden, A. J., I. Davies, P. Medhurst et C. H. Oxley. « New wideband GaAs travelling-wave device : linear gate transistor ». Electronics Letters 22, no 15 (1986) : 777. http://dx.doi.org/10.1049/el:19860533.
Texte intégralKhrushchev, I. Yu, E. M. Dianov et V. A. Tanko. « Tunable travelling-wave laser with a linear cavity configuration ». Electronics Letters 31, no 11 (25 mai 1995) : 895–96. http://dx.doi.org/10.1049/el:19950630.
Texte intégralJeffrey, Alan, et Siqing Xu. « Travelling wave solutions to certain non-linear evolution equations ». International Journal of Non-Linear Mechanics 24, no 5 (janvier 1989) : 425–29. http://dx.doi.org/10.1016/0020-7462(89)90029-2.
Texte intégralFilatov, Aleksandr Nikolaevich, et Vladimir Kuz'mich Shilov. « Radial dynamics of electrons in two-section linear accelerator ». International Journal of Electrical and Computer Engineering (IJECE) 9, no 1 (1 février 2019) : 215. http://dx.doi.org/10.11591/ijece.v9i1.pp215-220.
Texte intégralOliveras, K. L., et C. W. Curtis. « Nonlinear travelling internal waves with piecewise-linear shear profiles ». Journal of Fluid Mechanics 856 (12 octobre 2018) : 984–1013. http://dx.doi.org/10.1017/jfm.2018.679.
Texte intégralKrylovas, Aleksandras, et Rima Kriauzienė. « ASYMPTOTICAL ANALYSIS OF SOME COUPLED NONLINEAR WAVE EQUATIONS ». Mathematical Modelling and Analysis 16, no 1 (8 avril 2011) : 97–108. http://dx.doi.org/10.3846/13926292.2011.560618.
Texte intégralThèses sur le sujet "Travelling wave linear accelerators"
Dal, Forno Massimo. « Theoretical and experimental analysis of interactions between electromagnetic fields and relativistic electrons in vacuum chamber ». Doctoral thesis, Università degli studi di Trieste, 2013. http://hdl.handle.net/10077/8570.
Texte intégralIl laser ad elettroni liberi (FEL) è una sorgente luminosa di quarta generazione che ha specifiche più stringenti rispetto alle sorgenti luminose di terza generazione, tra le quali ricordiamo i sincrotroni. La cosiddetta emittanza e la traiettoria del fascio determinano la qualità del fascio, e devono soddisfare severi requisiti nei FEL. Per esempio, nella sala ondulatori, la posizione del fascio deve essere misurata con risoluzione micrometrica. Il controllo della posizione del fascio può essere effettuato utilizzando i “Cavity Beam Position Monitor” (Cavity BPM). Questa tesi descrive l’attività di ricerca eseguita sui Cavity BPM. Precisamente, la progettazione, la simulazione elettromagnetica e l'ottimizzazione di un Cavity BPM sono state effettuate. Successivamente, 25 Cavity BPM sono stati fabbricati e installati nella sala ondulatori del progetto FERMI@Elettra. I segnali sono stati acquisiti e processati con un nuovo tipo di elettronica, e una serie di misure sono state effettuate. Il secondo dispositivo studiato in questo dottorato è l'acceleratore lineare di particelle. Tradizionali strutture acceleranti, dotate di un accoppiatore a singolo ingresso causano la degradazione delle proprietà fascio elettronico, a causa dell’ asimmetria del campo elettromagnetico. Un nuovo tipo di accoppiatore, con cortocircuito mobile, viene proposto, nel quale il campo elettrico è stato simmetrizzato. La progettazione, simulazione elettromagnetica e ottimizzazione del dispositivo sono state effettuate, e un prototipo della struttura accelerante è stato prodotto e sintonizzato. Il campo elettrico è stato misurato con il metodo bead-pull. Infine, in questa tesi sono descritti i deflettori RF ad alta energia, che sono degli strumenti di diagnostica in grado di misurare le proprietà fascio elettronico, in particolare la lunghezza del banco di elettroni e lo spazio longitudinale di fase.
The Free Electron Laser (FEL) is a fourth generation light source that has more stringent specifications with respect to the third generation light sources, such as synchrotrons. The so-called emittance and the beam trajectory determine the beam quality, and must satisfy stringent requirements in FELs. For example, in the undulator hall, the beam position must be measured with the micrometer resolution. The control in the beam position can be achieved using a cavity beam position monitor (Cavity BPM). This thesis describes the research performed on the cavity BPM. Precisely, the electromagnetic design, the simulation and the optimization of a cavity BPM have been carried out. Subsequently, 25 cavity BPMs have been manufactured and installed in the undulator hall of the FERMI@Elettra project. A new RF front-end has been set up, and a series of measurements have been performed. The second device studied in this PhD is the travelling wave linear accelerator. Traditional accelerating structures endowed with a single feed coupler cause degradation of the electron beam properties, due to the electromagnetic field asymmetry. A new type of single feed structure with movable short circuit is proposed, where the electric field has been symmetryzed. The electromagnetic design, simulation and optimization of the device have been carried out, and a prototype of the accelerating structure has been produced and tuned. The electric field has been measured with the bead-pull method. Finally, in this thesis are described the High Energy RF Deflector (HERFD), which are a fundamental diagnostic tool to measure the electron beam properties, in particular the bunch length and the longitudinal phase space.
XXV Ciclo
1984
Dal, Forno Massimo. « Theoretical and experimental analysis of interactions between electromagnetic fields and relativistic electrons in vacuum chamber ». Doctoral thesis, Università degli studi di Trieste, 2013. http://hdl.handle.net/10077/8537.
Texte intégralIl laser ad elettroni liberi (FEL) è una sorgente luminosa di quarta generazione che ha specifiche più stringenti rispetto alle sorgenti luminose di terza generazione, tra le quali ricordiamo i sincrotroni. La cosiddetta emittanza e la traiettoria del fascio determinano la qualità del fascio, e devono soddisfare severi requisiti nei FEL. Per esempio, nella sala ondulatori, la posizione del fascio deve essere misurata con risoluzione micrometrica. Il controllo della posizione del fascio può essere effettuato utilizzando i “Cavity Beam Position Monitor” (Cavity BPM). Questa tesi descrive l’attività di ricerca eseguita sui Cavity BPM. Precisamente, la progettazione, la simulazione elettromagnetica e l'ottimizzazione di un Cavity BPM sono state effettuate. Successivamente, 25 Cavity BPM sono stati fabbricati e installati nella sala ondulatori del progetto FERMI@Elettra. I segnali sono stati acquisiti e processati con un nuovo tipo di elettronica, e una serie di misure sono state effettuate. Il secondo dispositivo studiato in questo dottorato è l'acceleratore lineare di particelle. Tradizionali strutture acceleranti, dotate di un accoppiatore a singolo ingresso causano la degradazione delle proprietà fascio elettronico, a causa dell’ asimmetria del campo elettromagnetico. Un nuovo tipo di accoppiatore, con cortocircuito mobile, viene proposto, nel quale il campo elettrico è stato simmetrizzato. La progettazione, simulazione elettromagnetica e ottimizzazione del dispositivo sono state effettuate, e un prototipo della struttura accelerante è stato prodotto e sintonizzato. Il campo elettrico è stato misurato con il metodo bead-pull. Infine, in questa tesi sono descritti i deflettori RF ad alta energia, che sono degli strumenti di diagnostica in grado di misurare le proprietà fascio elettronico, in particolare la lunghezza del banco di elettroni e lo spazio longitudinale di fase.
The Free Electron Laser (FEL) is a fourth generation light source that has more stringent specifications with respect to the third generation light sources, such as synchrotrons. The so-called emittance and the beam trajectory determine the beam quality, and must satisfy stringent requirements in FELs. For example, in the undulator hall, the beam position must be measured with the micrometer resolution. The control in the beam position can be achieved using a cavity beam position monitor (Cavity BPM). This thesis describes the research performed on the cavity BPM. Precisely, the electromagnetic design, the simulation and the optimization of a cavity BPM have been carried out. Subsequently, 25 cavity BPMs have been manufactured and installed in the undulator hall of the FERMI@Elettra project. A new RF front-end has been set up, and a series of measurements have been performed. The second device studied in this PhD is the travelling wave linear accelerator. Traditional accelerating structures endowed with a single feed coupler cause degradation of the electron beam properties, due to the electromagnetic field asymmetry. A new type of single feed structure with movable short circuit is proposed, where the electric field has been symmetryzed. The electromagnetic design, simulation and optimization of the device have been carried out, and a prototype of the accelerating structure has been produced and tuned. The electric field has been measured with the bead-pull method. Finally, in this thesis are described the High Energy RF Deflector (HERFD), which are a fundamental diagnostic tool to measure the electron beam properties, in particular the bunch length and the longitudinal phase space.
XXV Ciclo
1984
Zemella, Ricardo J. (Ricardo Joel). « Design and development of a linear travelling wave motor ». Thesis, Massachusetts Institute of Technology, 1990. http://hdl.handle.net/1721.1/42436.
Texte intégralRussman, Felipe Boff. « Quebra de dinâmica ponderomotiva como um eficiente mecanismo de aceleração e focagem de partículas carregadas ». reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2018. http://hdl.handle.net/10183/174847.
Texte intégralThe present dissertation studies the one and three-dimensional dynamics of an electrically charged solitary particle under the action of a slowly modulated high frequency electrostatic carrier wave. The wave gives the particle electrical potential energy and its movement is known through the use of Hamiltonian formalism, where relativistic e ects are considered due to the high velocities involved in the process. Meanwhile the maximum speed experienced by the particle remains su ciently below the characteristic phase velocity of the accelerating carrier wave, its dynamics can be well described by a re ned ponderomotive approach. With this approach, the average, maximum and minimum speed developed by the particle along its movement through the curves that permeate and envelop the velocity pro le. The limits of validity of the approximation are well established and, once exceeded, the particle with resonant velocity is captured by the wave. Under the appropriate conditions calculated in this work, the capture mechanism spontaneously installs the optimum phase particle relative to the wave and accelerates towards the speed of light in the vacuum. At same time, the acceleration process is optimized by focusing the particle towards the wave propagation axis for a certain usable time interval and length.
Nakauchi, Gene. « Analytical and numerical results for a curvature-driven geometric flow rule ». Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/127335/1/Gene_Nakauchi_Thesis.pdf.
Texte intégralChou, Yen-You, et 周衍佑. « The study of quasi-phase-matched optical parametric oscillators in electro-optically controlled linear travelling-wave intra cavity scheme ». Thesis, 2017. http://ndltd.ncl.edu.tw/handle/sa4pr7.
Texte intégral國立中央大學
光電科學與工程學系
105
The modes are divided into two types: Longitudinal mode and Transverse mode. Longitudinal mode: its characteristics for the time axis changes, affecting its temporal coherence; transverse mode: its characteristics for the changes in the spatial axis, affecting its spatial coherence. In order to make the laser has a good spatial coherence, facilitates the transmission and focus of light, the vast majority of the laser will be set to the transverse mode as TEM00 fundamental mode, To produce a single longitudinal mode is the main research direction of the experimental study. Single-mode lasers with high intensity, very narrow spectral width, high collimation and other characteristics, are widely used in spectroscopy, space telemetry, optical fiber communication systems. In this study, the Volume Bragg Grating (VBG) is used as the second output coupling mirror to replace the dielectric output coupling mirror, which narrows the signal optical bandwidth of the optical parametric oscillator, then we use Electro-Optic Polarization Mode Converter ( EO PMC) to modulate polarization as two polarization rotators on both ends of optical parametric gain medium (OPGM), so that the light waves in the cavity will not produce standing wave but in the form of traveling wave transmission in the cavity , which inhibits the homogeneity broadening that caused by the special-hole burning phenomenon produced transverse mode. In this study, the comparison of the optical spectrum and the mode of the optical parametric oscillator in the standing wave operation and the electro-optical polarization modulator is carried out under the condition of the traveling wave. Compared with the standing wave, the half-height width has a narrowing effect, and the spectrum half-width is from 0.1 nanometer under standing wave operation narrowed to 0.01 nanometers below (our optical spectrometer resolution limit) under traveling wave operation.
Kyed, Mads [Verfasser]. « Travelling wave solutions of the heat equation in an unbounded cylinder with a non-Linear boundary condition / vorgelegt von Mads Kyed ». 2005. http://d-nb.info/975460145/34.
Texte intégralLivres sur le sujet "Travelling wave linear accelerators"
Particle accelerator physics : Basic principles and linear beam dynamics. Berlin : Springer-Verlag, 1993.
Trouver le texte intégralWiedemann, Helmut. Particle accelerator physics. 2e éd. Berlin : Springer, 1999.
Trouver le texte intégralParticle Accelerator Physics. 3e éd. Springer, 2007.
Trouver le texte intégralWiedemann, Helmut. Particle Accelerator Physics : Volume I and II (study edition) (Advanced Texts in Physics). 2e éd. Springer, 2004.
Trouver le texte intégralChapitres de livres sur le sujet "Travelling wave linear accelerators"
Seeman, J., D. Schulte, J. P. Delahaye, M. Ross, S. Stapnes, A. Grudiev, A. Yamamoto et al. « Design and Principles of Linear Accelerators and Colliders ». Dans Particle Physics Reference Library, 295–336. Cham : Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34245-6_7.
Texte intégralActes de conférences sur le sujet "Travelling wave linear accelerators"
Bhattacharjee, Somen, Sudipta Das, Durbadal Mandal et Anup Kumar Bhattacharjee. « Performance of Linear Arrays with Travelling Wave Current Distribution ». Dans 2011 International Conference on Devices and Communications (ICDeCom). IEEE, 2011. http://dx.doi.org/10.1109/icdecom.2011.5738507.
Texte intégralXie, Wen-Qiu, Zi-Cheng Wang, Fangming He, Ji-Run Luo et Qing-Lun Liu. « Linear analysis of a 0.22THz sine waveguide travelling wave tube ». Dans 2014 39th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz). IEEE, 2014. http://dx.doi.org/10.1109/irmmw-thz.2014.6956378.
Texte intégralWalthes, Wolfgang, et Manfred Berroth. « Non-Linear Characterization and Simulation of a Travelling Wave Amplifier ». Dans 2001 31st European Microwave Conference. IEEE, 2001. http://dx.doi.org/10.1109/euma.2001.338970.
Texte intégralReeves, Geoffrey D. « Wave Generation and Wave-Particle Interaction Using Space-Based, RF, Linear Electron Accelerators ». Dans 2021 USNC-URSI Radio Science Meeting (USNC-URSI RSM). IEEE, 2021. http://dx.doi.org/10.23919/usnc-ursirsm52661.2021.9552348.
Texte intégralSato, M. « A travelling-wave fed parallel plate slot array antenna with inclined linear polarisation at 60 GHz ». Dans Tenth International Conference on Antennas and Propagation (ICAP). IEE, 1997. http://dx.doi.org/10.1049/cp:19970282.
Texte intégralYoong, Carlos, Anders Thorin et Mathias Legrand. « The Wave Finite Element Method Applied to a One-Dimensional Linear Elastodynamic Problem With Unilateral Constraints ». Dans ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-46919.
Texte intégralAmabili, Marco, Prabakaran Balasubramanian et Giovanni Ferrari. « Experiments and Simulations in Travelling Wave and Non-Stationary Nonlinear Vibrations of Circular Cylindrical Shells ». Dans ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66315.
Texte intégralLambert, William, et Stefano Brizzolara. « On the Effect of Non-Linear Boundary Conditions on the Wave Disturbance and Hydrodynamic Forces of Underwater Vehicles Travelling Near the Free-Surface ». Dans ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/omae2020-18214.
Texte intégralSiegel, Stefan G., Tiger Jeans et Thomas McLaughlin. « Intermediate Ocean Wave Termination Using a Cycloidal Wave Energy Converter ». Dans ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-20030.
Texte intégralLi, Yan, Thomas A. A. Adcock et Ton S. van den Bremer. « Linear Evolution of a Narrow-Banded Surface Gravity Wavepacket Over an Infinite Step ». Dans ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-96082.
Texte intégralRapports d'organisations sur le sujet "Travelling wave linear accelerators"
Lin, Ellie. Standing Wave Linear Accelerators : An Investigation of the Fundamental Field Stability and Tuning Characteristics. Office of Scientific and Technical Information (OSTI), août 2002. http://dx.doi.org/10.2172/800020.
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