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Serna Galán, Julio and Encinas Sanz, Fernando and Nemes, George (2001) Complete spatial characterization of a pulsed doughnut-type beam by use of spherical optics and a cylindrical lens. Journal of the Optical Society of America A-Optics Image Science And Vision, 18 (7). pp. 1726-1733. ISSN 0740-3232
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Official URL: http://www.opticsinfobase.org/josaa/abstract.cfm?id=64605
Abstract
A complete spatial characterization (in second-order moments) of a doughnut-type beam from a pulsed transversely excited atmospheric CO_2 laser is described. It includes the measurement of the orbital angular momentum carried by the beam. The key element in the characterization is the use of a cylindrical lens in addition to the usual spherical optics. Internal features of the beam that would have remained hidden if only spherical optics were employed were revealed by use of the cylindrical lens. The experimental results are compared and agree with a theoretical Laguerre-Gauss mode beam
| Item Type: | Article |
|---|---|
| Additional Information: | © 2001 Optical Society of America. |
| Uncontrolled Keywords: | Partially Coherent Beams, Tea CO_2-Laser Pulses, Parametric Characterization, Moments, Light |
| Subjects: | Sciences > Physics > Optics |
| ID Code: | 21967 |
| Deposited On: | 24 Jun 2013 12:28 |
| Last Modified: | 31 Dec 2020 00:01 |
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