Beam smoothing characteristics of continuous phase plate with Gaussian distribution

yang chunlin; xu qiao; wen shenglin; ma ping

Volume 21 Issue 07

Jul. 2009

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Article Navigation > High Power Laser and Particle Beams > 2009 > 21(07): 0-

xiong yong, yi you-gen, zheng zhi-jian. Computation of electron impact K-shell ionization cross sections of Al, Ti, Cu and Mo atoms[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

yang chunlin, xu qiao, wen shenglin, et al. Beam smoothing characteristics of continuous phase plate with Gaussian distribution[J]. High Power Laser and Particle Beams, 2009, 21.

xiong yong, yi you-gen, zheng zhi-jian. Computation of electron impact K-shell ionization cross sections of Al, Ti, Cu and Mo atoms[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

yang chunlin, xu qiao, wen shenglin, et al. Beam smoothing characteristics of continuous phase plate with Gaussian distribution[J]. High Power Laser and Particle Beams, 2009, 21.

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Beam smoothing characteristics of continuous phase plate with Gaussian distribution

1.
Chengdu Fine Optical Engineering Research Center,Chengdu 610041,China

Publish Date: 2009-07-15

Abstract

Abstract

According to the requirement of beam smoothing in laser systems, the continuous phase plate with Gaussian distribution is designed. The far-field distributions of such phase plate with correlation lengths of 39 mm, 30 mm, 10 mm and 3 mm are calculated. The numerical results show that while the correlation length is longer than 10 mm, far-field distribution of the phase plate is inordinate for the ergodic condition is not satisfied. While the correlation length is less than 10 mm, far-field distribution of the phase plate is very close to ideal Gaussian distribution. Using the continuous phase plate with the correlation length of 3 mm, the beam smoothing process is simulated. The results show that after propagating through a phase plate the intensity distribution of the laser beam on the f
- diffractive optics,
- continuous phase plate,
- gaussian distribution,
- beam smoothing

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