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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 11 — Jun. 1, 2004
  • pp: 1179–1181

Effect of absorption on the spreading of a laser beam

S. R. Seshadri  »View Author Affiliations


Optics Letters, Vol. 29, Issue 11, pp. 1179-1181 (2004)
http://dx.doi.org/10.1364/OL.29.001179


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Abstract

The propagation characteristics of the fundamental Gaussian laser beam in absorptive and active media are investigated. There is a general reduction in the spreading of the beam on propagation in both absorptive and active media. In addition, in an active medium there is a shift of the focal plane and a reduction in the waist size of the beam.

© 2004 Optical Society of America

OCIS Codes
(260.1960) Physical optics : Diffraction theory
(260.2110) Physical optics : Electromagnetic optics
(260.2160) Physical optics : Energy transfer
(350.5500) Other areas of optics : Propagation

Citation
S. R. Seshadri, "Effect of absorption on the spreading of a laser beam," Opt. Lett. 29, 1179-1181 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-11-1179

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