教師資料查詢 | 類別: 期刊論文 | 教師: 陳惟堯 CHEN, WEI-YEU (瀏覽個人網頁)

標題:Propagation of an intense Gaussian laser pulse in air
學年62
學期1
出版(發表)日期1973/08/01
作品名稱Propagation of an intense Gaussian laser pulse in air
作品名稱(其他語言)
著者Riechert, J. D.; Wanger, W. G.; 陳惟堯; Chen, W. Y.
單位淡江大學物理學系
出版者American Institute of Physics (AIP)
著錄名稱、卷期、頁數Journal of Applied Physics 44(8), pp.3647-3658
摘要A numerical solution of the nonlinear macroscopic laser‐fluid equations for propagation of a Gaussian laser pulse in air is described. The concept of ``utility analysis'' of numerical differencing schemes is introduced. With the computation scheme used, the laser pulse could be followed for only 10−5 sec; so enormous energy was put into the pulse to enhance the interaction with the fluid. Thus the initial pulse distortion could be observed. Analytical evaluation of the computer results produces a detailed quantitative check and suggests that a combination of analytic and numerical methods would allow a pulse to be conveniently followed for much longer periods of time. The preceding paper by the same authors describes various types of instabilities to be anticipated for propagation over long periods of time or with large powers.
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語言英文
ISSN0021-8979
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