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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 7 — Apr. 1, 2013
  • pp: 1101–1103

Beam quality improvement by joint compensation of amplitude and phase

M. L. Gong, Yuntao Qiu, Lei Huang, Qiang Liu, Ping Yan, and H. T. Zhang  »View Author Affiliations


Optics Letters, Vol. 38, Issue 7, pp. 1101-1103 (2013)
http://dx.doi.org/10.1364/OL.38.001101


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Abstract

The M2 factor could be decomposed as amplitude term and phase term. A method to improve the beam quality of laser beams is proposed. In our method, the amplitude and phase of a laser beam are both compensated in order to improve the beam quality completely. In experiment, a laser amplifier is set to modulate the amplitude to Gaussian type, and a deformable mirror is used to compensate the phase aberration. The laser beam is well compensated by our method; the beam quality factor of the laser is improved from 1.7 to 1.1.

© 2013 Optical Society of America

OCIS Codes
(080.1010) Geometric optics : Aberrations (global)
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3280) Lasers and laser optics : Laser amplifiers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 9, 2013
Revised Manuscript: February 19, 2013
Manuscript Accepted: February 20, 2013
Published: March 22, 2013

Citation
M. L. Gong, Yuntao Qiu, Lei Huang, Qiang Liu, Ping Yan, and H. T. Zhang, "Beam quality improvement by joint compensation of amplitude and phase," Opt. Lett. 38, 1101-1103 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-7-1101


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