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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 30, Iss. 12 — Dec. 1, 2013
  • pp: 2502–2509

Linear equations method for modal decomposition using intensity information

Yuanyang Li, Jin Guo, Lisheng Liu, Tingfeng Wang, and Junfeng Shao  »View Author Affiliations


JOSA A, Vol. 30, Issue 12, pp. 2502-2509 (2013)
http://dx.doi.org/10.1364/JOSAA.30.002502


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Abstract

The linear equations method is proposed to calculate the complete modal content of the partially coherent laser beam using only the intensity information. This method could give not only the incoherent expansion coefficients of the modal decomposition but also the cross-correlation expansion coefficients using the intensity profiles in several planes of finite distance along the propagation direction. A simulation is also presented to verify the validity of this theory. In our algorithm, the minimum and maximum mode orders should be known a priori, so we provide an estimation method for the two parameters.

© 2013 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(030.4070) Coherence and statistical optics : Modes
(140.3430) Lasers and laser optics : Laser theory
(140.3460) Lasers and laser optics : Lasers
(140.3295) Lasers and laser optics : Laser beam characterization

ToC Category:
Coherence and Statistical Optics

History
Original Manuscript: September 5, 2013
Revised Manuscript: October 18, 2013
Manuscript Accepted: October 18, 2013
Published: November 11, 2013

Citation
Yuanyang Li, Jin Guo, Lisheng Liu, Tingfeng Wang, and Junfeng Shao, "Linear equations method for modal decomposition using intensity information," J. Opt. Soc. Am. A 30, 2502-2509 (2013)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-30-12-2502


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