We present an experimental campaign consisting on the propagation of laser modes with orbital angular momentum (OAM), carried out in our campus, for a total propagation distance of 1 kilometer. In this proceedings article we describe our experiment and describe some preliminary results, using topological charges up to |ℓ| = 45. We also demonstrate that a Shack-Hartmann sensor may be used for OAM sensing in the presence of weak to intermediate turbulence without the help from adaptive optics.
|Title of host publication||Laser Communication and Propagation through the Atmosphere and Oceans XI|
|Editors||Jaime A. Anguita, Jeremy P. Bos, David T. Wayne|
|State||Published - 2022|
|Event||Laser Communication and Propagation through the Atmosphere and Oceans XI 2022 - San Diego, United States|
Duration: 22 Aug 2022 → 23 Aug 2022
|Name||Proceedings of SPIE - The International Society for Optical Engineering|
|Conference||Laser Communication and Propagation through the Atmosphere and Oceans XI 2022|
|Period||22/08/22 → 23/08/22|
Bibliographical noteFunding Information:
We would like to thank Alberto Domínguez, Santiago Vélez, and Francisco Ruiz-Tagle for their valuable engineering support. We also thank masters’ students Ignacio Rojas, Andrés Seguel, and JoséPablo Durandeau for contributing to the campaign with alignment tasks and measurements. This work has been supported by ANID Chile through grant Fondecyt 1210297. A significant part of the experimental equipment and student scholarships have been provided by the Millennium Science Initiative Program (ANID Chile), through grant ICN17-012.
© 2022 SPIE.
- atmospheric turbulence
- FSO communications
- orbital angular momentum
- Shack-Hartmann sensor