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Optics Letters

Optics Letters


  • Vol. 21, Iss. 16 — Aug. 15, 1996
  • pp: 1205–1207

Shape-invariance range of a light beam

F. Gori, S. Vicalvi, M. Santarsiero, and R. Borghi  »View Author Affiliations

Optics Letters, Vol. 21, Issue 16, pp. 1205-1207 (1996)

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A typical axially symmetric light beam on paraxial free propagation maintains the same transverse shape as at the waist plane for a certain range along its axis. We discuss a general procedure for estimating this range.

© 1996 Optical Society of America

Original Manuscript: February 12, 1996
Published: August 15, 1996

F. Gori, S. Vicalvi, M. Santarsiero, and R. Borghi, "Shape-invariance range of a light beam," Opt. Lett. 21, 1205-1207 (1996)

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  1. A. Siegman, Lasers (University Science, Mill Valley, Calif., 1986).
  2. P. M. Mejías, H. Weber, R. Martínez-Herrero, A. González-Urena, eds., Proceedings of the Workshop on Laser Beam Characterization (Sociedad Espanola de Optica, Madrid, 1993).
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