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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

  • Vol. 18, Iss. 9 — Sep. 1, 2001
  • pp: 2098–2101

Generalized M2 factor of hard-edged diffracted flattened Gaussian beams

Baida Lü and Shirong Luo  »View Author Affiliations


JOSA A, Vol. 18, Issue 9, pp. 2098-2101 (2001)
http://dx.doi.org/10.1364/JOSAA.18.002098


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Abstract

On the basis of generalized truncated second-order moments, a closed-form expression for the generalized M2 factor of hard-edge diffracted flattened Gaussian beams is derived that is determined by the beam order and the truncation parameter. Special cases are discussed. Moreover, it is shown that the M2 factor of truncated plane waves is equal to 43/3, independent of the aperture width.

© 2001 Optical Society of America

OCIS Codes
(050.1220) Diffraction and gratings : Apertures
(050.1940) Diffraction and gratings : Diffraction
(350.5500) Other areas of optics : Propagation

History
Original Manuscript: November 14, 2000
Revised Manuscript: February 20, 2001
Manuscript Accepted: February 20, 2001
Published: September 1, 2001

Citation
Baida Lü and Shirong Luo, "Generalized M2 factor of hard-edged diffracted flattened Gaussian beams," J. Opt. Soc. Am. A 18, 2098-2101 (2001)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-18-9-2098

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