Intensity-moments characterization of general pulsed paraxial beams with the Wigner distribution function

被引：9
|
作者：
Yang, J [1 ]
Fan, DY [1 ]
机构：
[1] Acad Sinica, Shanghai Inst Opt & Fine Mech, Natl Lab High Power Laser & Phys, Shanghai 201800, Peoples R China
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 1999年 / 16卷 / 10期
关键词：
D O I：
10.1364/JOSAA.16.002488
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
On the basis of the space-time Wigner distribution function (STWDF), we use the matrix formalism to study the propagation laws for the intensity moments of quasi-monochromatic and polychromatic pulsed paraxial beams. The advantages of this approach are reviewed. Also, a least-squares fitting method for interpreting the physical meaning of the effective curvature matrix is described by means of the STWDF. Then the concept is extended to the higher-order situation, and what me believe is a novel technique for characterizing the beam phase is presented. (C) 1999 Optical Society of America [S0740-3232(99)001009-1].
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页码：2488 / 2493
页数：6
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