Shape-invariance range of a light beam
Optics Letters, Vol. 21, Issue 16, pp. 1205-1207 (1996)
http://dx.doi.org/10.1364/OL.21.001205
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Abstract
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
Citation
F. Gori, S. Vicalvi, M. Santarsiero, and R. Borghi, "Shape-invariance range of a light beam," Opt. Lett. 21, 1205-1207 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-16-1205
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