Diffraction of laser beams with amplitude modulations passing serrated apertures
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Corresponding author:
, baidalu@scu.edu.cn
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Received Date:
2004-12-09
Accepted Date:
2005-08-15
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Abstract
Based on the Huygens-Fresnel diffraction integral,the diffraction of laser beams with amplitude modulations passing serrated apertures is studied and compared with hard-edged circular apertures numerically.Furthermore,the effect of aperture parameters on the diffraction characteristics of laser beams with amplitude modulations is also analyzed.It is shown that,while maintaining a relatively large fill factor,the use of serrated apertures can suppress the diffraction modulations of axial intensity and reduce the nonuniformity of transversal intensity distributions.
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References
|
[1]
|
SIEGMAN A E.Lasers[M].California:University Science Books,1986.712～743. |
|
[2]
|
HUNT J T,SPECK D R.Present and future performance of the Nova laser system[J].Opt Engng,1989,28(4):461～486. |
|
[3]
|
GU M,GAN X S.Fresnel diffraction by circular and serrated apertures illuminated with an ultrashort pulsed-laser beam[J].J O S A,1996,13(4):771～778. |
|
[4]
|
AUERBACH J M,KARPENKO V P.Serrated aperture apodisers for high-energy systems[J].Appl Opt,1994,33(15):3179～3183. |
|
[5]
|
XIA L,QIAN L.Serrated-aperture apodizers of high-energy ultrashort pulse-laser beam[J].Chinese Journal of Lasers,2004,31(1):57～61(in Chinese). |
|
[6]
|
MANES K R,SIMMONS W W.Statistical optics applied to high-power glass lasers[J].J O S A,1985,A2(4):528～538. |
|
[7]
|
ZHANG B,Lü B D.Changes of laser beams with amplitude modulations and phase fluctuations passing through an aperture[J].Laser Technology,1998,22(2):103～106(in Chinese). |
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