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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Franco Gori
  • Vol. 30, Iss. 11 — Nov. 1, 2013
  • pp: 2162–2168

Performance of target irradiation in a high-power laser with a continuous phase plate and spectral dispersion

Xiujuan Jiang, Jinghui Li, Rong Wu, Zhengtao Zhu, Shenlei Zhou, and Zunqi Lin  »View Author Affiliations

JOSA A, Vol. 30, Issue 11, pp. 2162-2168 (2013)

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We report on the performance of target irradiation at the SG-II high-power laser facility with a continuous phase plate (CPP) and the technique of smoothing by spectral dispersion (SSD). Simulative and experimental results are presented, where the irradiation uniformity and energy concentration of the target spots are analyzed. The results show that the designed CPP can focus the spot energy into the desired region and shape a profile with steep edge and flat top, but the actual performance of the fabricated CPP needs some improvements. It is also proved that the CPP is insensitive to the long-scale wavefront distortion in the incident beam. The one-dimensional SSD configuration evidently works in smoothing the fine-scale intensity modulation inside the target spot.

© 2013 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(140.3300) Lasers and laser optics : Laser beam shaping
(260.2030) Physical optics : Dispersion
(350.2660) Other areas of optics : Fusion

ToC Category:
Lasers and Laser Optics

Original Manuscript: July 3, 2013
Revised Manuscript: September 15, 2013
Manuscript Accepted: September 16, 2013
Published: October 2, 2013

Xiujuan Jiang, Jinghui Li, Rong Wu, Zhengtao Zhu, Shenlei Zhou, and Zunqi Lin, "Performance of target irradiation in a high-power laser with a continuous phase plate and spectral dispersion," J. Opt. Soc. Am. A 30, 2162-2168 (2013)

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