Abstract
We report on experimental generation of Electromagnetic Bessel-Gaussian Schell-Model [EBGSM] beams via incoherent superposition of two mutually orthogonal electric field components, both originated from a laser source, whose phases are spatially modified by two nematic liquid crystal Spatial Light Modulators. The EBGSM beam is then passed through a weakly fluctuating turbulent channel and examined for contrast in its fluctuating intensity. It is demonstrated that after passing through turbulence the electromagnetic beam exhibits reduction in the scintillation index on the order of 50%, as compared with that for an equivalent scalar beam, in strong agreement with recent theoretical predictions.
| Original language | English (US) |
|---|---|
| Article number | 20554 |
| Pages (from-to) | 207-215 |
| Number of pages | 9 |
| Journal | Optics Communications |
| Volume | 359 |
| DOIs | |
| State | Published - Jan 15 2016 |
Keywords
- Propagation of electromagnetic laser beams in turbulence
- Scintillation index
- Spatially partially coherent laser beams
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Physical and Theoretical Chemistry
- Electrical and Electronic Engineering
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Avramov-Zamurovic, S., Nelson, C., Guth, S., Korotkova, O., & Malek-Madani, R. (2016). Experimental study of electromagnetic Bessel-Gaussian Schell Model beams propagating in a turbulent channel. Optics Communications, 359, 207-215. [20554]. https://doi.org/10.1016/j.optcom.2015.09.078