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LASER TECHNOLOGY > 1996 > 20(3): 185-190.

Wang Xiqing, LÜ Baida. Focusing properties of Laguerre-Gaussian beams[J]. LASER TECHNOLOGY, 1996, 20(3): 185-190.

Citation:

Wang Xiqing, LÜ Baida. Focusing properties of Laguerre-Gaussian beams[J]. LASER TECHNOLOGY, 1996, 20(3): 185-190.

Wang Xiqing, LÜ Baida. Focusing properties of Laguerre-Gaussian beams[J]. LASER TECHNOLOGY, 1996, 20(3): 185-190.

Citation:

Wang Xiqing, LÜ Baida. Focusing properties of Laguerre-Gaussian beams[J]. LASER TECHNOLOGY, 1996, 20(3): 185-190.

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Focusing properties of Laguerre-Gaussian beams

Wang Xiqing¹,
LÜ Baida²

1.
Dept.of Applied Physics, Southwest Jiaotong University;
2.
Institute of Laser Physics and Laser Chemistry, Sichuan University

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Received Date: May 28, 1995
Published Date: May 24, 1996

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Abstract

The relative intensity excess and focal shift of focused Laguerre-Gaussian beams in the unapertured case have been derived by using Collins diffraction integral. Detailed numerical caculations have been Performed to illustrate the focusing properties of apertured Laguerre-Gaussian beams.
- Laguerre-Gaussian (L-G) beam,
- focusing properties,
- focal shift,
- unapertuted andapertured cases

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References

[1]	吕百达.激光光学.第二版.成都:四川大学出版社,1992
[1]	Carter W H,Aburdence M F.J O S A,1987;A4(10):1949～1952
[2]	Li Y,Wolf E.Opt.Commun,1982;42(3):151～156

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