Dissertation > Mathematical sciences and chemical > Physics > Optics > Nonlinear optical ( light and matter)

The Investigation of Electron Acceleration by Intense Laser in Vacuum

Author LiuShiXiong
Tutor GuoHong
School South China Normal University
Course Optics
Keywords High Power Laser Relativistic phase slip Electron acceleration Energy gain Vacuum
CLC O437
Type Master's thesis
Year 2005
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This thesis theoretically investigate the feasibility of accelerated electrons in vacuum with strong laser direct its programs , and to draw the necessary conditions of the laser - accelerated electrons , the energy gain of expression was obtained . And brief overview of the development of the accelerator and laser acceleration technology . The article is divided into six chapters : Chapter Preface . The second chapter briefly introduces the development of laser- accelerated electrons . The third chapter describes the vacuum with strong laser to accelerate electronic program proposed and model . Chapter VI introduced himself during graduate work done . The first chapter outlines the development of intense laser matter interaction research areas , and inertial confinement fusion and laser fusion \Described the research background and research purposes . The second chapter , a brief intense laser the envisaged accelerated electrons and accelerator technology development process , pointed out that the scope and focus of this thesis . Chapter to study the feasibility of a strong laser- accelerated electrons in vacuum directly program . Starting from the Maxwell equations (Maxwell) , to deduce the presence of longitudinal electric field of the laser field . , We must break the the Lawson-Woodard (LW) law, and meet certain conditions in order to effectively accelerate electrons and net energy gain . In addition , several laser - accelerated electrons used model . Chapter IV , introduced a vacuum with a single beam of intense laser accelerated electron theory analysis . Hermite - Gaussian ( Hermite -Gaussian ) light field and Bessel (Bessel) light field in the third chapter of the theory based on , for example, to explore and come directly accelerated electrons should satisfy the conditions and the corresponding energy gain. Chapter V , in order to accelerate electrons , often require a high - intensity laser focused Gaussian light field is often used . In this comparative study the specific characteristics of the fundamental mode Gaussian beam and focused Gaussian beam of accelerated electrons in a vacuum . Chapter VI , introduced vacuum using accelerated electron beam cross- intense laser theory analysis . In the front on the basis of theoretical studies , using two beams intersect the beam for accelerating an electric field is obtained directly accelerated electrons should meet the conditions and the corresponding energy gain .

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