首页|Focusing of aberrated, partially coherent, square, fiat-topped pulsed beams by a thin lens
Focusing of aberrated, partially coherent, square, fiat-topped pulsed beams by a thin lens
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Flat-topped beam theoretical model and unified theory of coherence and polarization of light are used as the bases in examining aberrated,partially coherent,electromagnetic,square,flat-topped pulsed beams focused by a thin lens.This study demonstrates that Astigmatism is not necessarily undesirable in certain circumstances,and a certain amount of astigmatism can be guaranteed a similar spatial envelope of the beams in the geometric focal plane as the source of aberrated,partially coherent,electromagnetic,square,fiat-topped pulsed beams.This feature may be useful in determining the fidelity of high-power laser-beam transmission areas.
National Laboratory on High Power Laser and Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
Shanghai Institute of Laser Plasmas, Shanghai 201800, China
research was supported by the National Natural Science Foundation of China
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