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Статті в журналах з теми "Travelling wave linear accelerators"
Quanfeng, Li, Yan Huiyong, Du Taibin, and 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 (March 2001): 194–98. http://dx.doi.org/10.1016/s0168-583x(00)00438-9.
Повний текст джерелаLonguet-Higgins, M. S. "The propagation of short surface waves on longer gravity waves." Journal of Fluid Mechanics 177 (April 1987): 293–306. http://dx.doi.org/10.1017/s002211208700096x.
Повний текст джерелаLiu, Shikuo, Zuntao Fu, Shida Liu, and Zhanggui Wang. "Combinability of Travelling Wave Solutions to Nonlinear Evolution Equation." Zeitschrift für Naturforschung A 59, no. 10 (October 1, 2004): 623–28. http://dx.doi.org/10.1515/zna-2004-1001.
Повний текст джерелаMcDonald, Fleur, Robert I. McLachlan, Brian E. Moore, and G. R. W. Quispel. "Travelling wave solutions of multisymplectic discretizations of semi-linear wave equations." Journal of Difference Equations and Applications 22, no. 7 (March 28, 2016): 913–40. http://dx.doi.org/10.1080/10236198.2016.1162161.
Повний текст джерелаHolden, A. J., I. Davies, P. Medhurst, and 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.
Повний текст джерелаKhrushchev, I. Yu, E. M. Dianov, and V. A. Tanko. "Tunable travelling-wave laser with a linear cavity configuration." Electronics Letters 31, no. 11 (May 25, 1995): 895–96. http://dx.doi.org/10.1049/el:19950630.
Повний текст джерелаJeffrey, Alan, and Siqing Xu. "Travelling wave solutions to certain non-linear evolution equations." International Journal of Non-Linear Mechanics 24, no. 5 (January 1989): 425–29. http://dx.doi.org/10.1016/0020-7462(89)90029-2.
Повний текст джерелаFilatov, Aleksandr Nikolaevich, and Vladimir Kuz'mich Shilov. "Radial dynamics of electrons in two-section linear accelerator." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 1 (February 1, 2019): 215. http://dx.doi.org/10.11591/ijece.v9i1.pp215-220.
Повний текст джерелаOliveras, K. L., and C. W. Curtis. "Nonlinear travelling internal waves with piecewise-linear shear profiles." Journal of Fluid Mechanics 856 (October 12, 2018): 984–1013. http://dx.doi.org/10.1017/jfm.2018.679.
Повний текст джерелаKrylovas, Aleksandras, and Rima Kriauzienė. "ASYMPTOTICAL ANALYSIS OF SOME COUPLED NONLINEAR WAVE EQUATIONS." Mathematical Modelling and Analysis 16, no. 1 (April 8, 2011): 97–108. http://dx.doi.org/10.3846/13926292.2011.560618.
Повний текст джерелаДисертації з теми "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.
Повний текст джерелаIl 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.
Повний текст джерелаIl 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.
Повний текст джерелаRussman, 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.
Повний текст джерелаThe 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.
Повний текст джерелаChou, Yen-You, and 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.
Повний текст джерела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.
Повний текст джерелаКниги з теми "Travelling wave linear accelerators"
Particle accelerator physics: Basic principles and linear beam dynamics. Berlin: Springer-Verlag, 1993.
Знайти повний текст джерелаWiedemann, Helmut. Particle accelerator physics. 2nd ed. Berlin: Springer, 1999.
Знайти повний текст джерелаParticle Accelerator Physics. 3rd ed. Springer, 2007.
Знайти повний текст джерелаWiedemann, Helmut. Particle Accelerator Physics: Volume I and II (study edition) (Advanced Texts in Physics). 2nd ed. Springer, 2004.
Знайти повний текст джерелаЧастини книг з теми "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." In Particle Physics Reference Library, 295–336. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34245-6_7.
Повний текст джерелаТези доповідей конференцій з теми "Travelling wave linear accelerators"
Bhattacharjee, Somen, Sudipta Das, Durbadal Mandal, and Anup Kumar Bhattacharjee. "Performance of Linear Arrays with Travelling Wave Current Distribution." In 2011 International Conference on Devices and Communications (ICDeCom). IEEE, 2011. http://dx.doi.org/10.1109/icdecom.2011.5738507.
Повний текст джерелаXie, Wen-Qiu, Zi-Cheng Wang, Fangming He, Ji-Run Luo, and Qing-Lun Liu. "Linear analysis of a 0.22THz sine waveguide travelling wave tube." In 2014 39th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz). IEEE, 2014. http://dx.doi.org/10.1109/irmmw-thz.2014.6956378.
Повний текст джерелаWalthes, Wolfgang, and Manfred Berroth. "Non-Linear Characterization and Simulation of a Travelling Wave Amplifier." In 2001 31st European Microwave Conference. IEEE, 2001. http://dx.doi.org/10.1109/euma.2001.338970.
Повний текст джерелаReeves, Geoffrey D. "Wave Generation and Wave-Particle Interaction Using Space-Based, RF, Linear Electron Accelerators." In 2021 USNC-URSI Radio Science Meeting (USNC-URSI RSM). IEEE, 2021. http://dx.doi.org/10.23919/usnc-ursirsm52661.2021.9552348.
Повний текст джерелаSato, M. "A travelling-wave fed parallel plate slot array antenna with inclined linear polarisation at 60 GHz." In Tenth International Conference on Antennas and Propagation (ICAP). IEE, 1997. http://dx.doi.org/10.1049/cp:19970282.
Повний текст джерелаYoong, Carlos, Anders Thorin, and Mathias Legrand. "The Wave Finite Element Method Applied to a One-Dimensional Linear Elastodynamic Problem With Unilateral Constraints." In 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.
Повний текст джерелаAmabili, Marco, Prabakaran Balasubramanian, and Giovanni Ferrari. "Experiments and Simulations in Travelling Wave and Non-Stationary Nonlinear Vibrations of Circular Cylindrical Shells." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66315.
Повний текст джерелаLambert, William, and 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." In 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.
Повний текст джерелаSiegel, Stefan G., Tiger Jeans, and Thomas McLaughlin. "Intermediate Ocean Wave Termination Using a Cycloidal Wave Energy Converter." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-20030.
Повний текст джерелаLi, Yan, Thomas A. A. Adcock, and Ton S. van den Bremer. "Linear Evolution of a Narrow-Banded Surface Gravity Wavepacket Over an Infinite Step." In 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.
Повний текст джерелаЗвіти організацій з теми "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), August 2002. http://dx.doi.org/10.2172/800020.
Повний текст джерела