Padgett, M. and Allen, L. (1995) The Poynting Vector In Laguerre-Gaussian Laser Modes. Optics Communications, 121(39141), pp. 36-40.
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Abstract
It is found that the rotation of the Poynting vector of a Laguerre-Gaussian laser mode is proportional to the Gouy phase and for most cases of interest, rotates through less than one revolution in reaching the far field. For a p=0 mode, we show the expression for the rotation is particularly simple and independent of l. At the radius corresponding to maximum intensity, it yields a rotation of only +/- pi/2 as z--> +/- (infinity).
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Padgett, Professor Miles |
| Authors: | Padgett, M., and Allen, L. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Optics Communications |
| Journal Abbr.: | Opt. Commun. |
| ISSN: | 0030-4018 |
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