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Updated: Sep 11, 2025
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The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
Published on: August 12, 2013
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Optimized optical propagation through underwater turbulence using off-axis Bessel-Gauss beam probing
Optics Express
|August 13, 2025
Summary
Off-axis Bessel-Gauss beams, using theHOBBIT system, significantly reduce underwater turbulence effects by over 91% by finding optimal paths. This enables robust transmission of multiple beams through disturbed environments.
Area of Science:
- Optics and Photonics
- Fluid Dynamics
- Optical Communications
Background:
- Underwater environments present significant challenges for optical beam propagation due to turbulence.
- Traditional on-axis beams are highly susceptible to scattering and intensity fluctuations.
- Bessel-Gauss (BG) beams offer inherent resistance to turbulence but require optimized propagation strategies.
Purpose of the Study:
- To investigate the efficacy of off-axis Bessel-Gauss beams for rapid probing of underwater turbulence.
- To demonstrate a method for identifying optimal transmission paths that minimize beam perturbations.
- To assess the performance of a modified Higher Order Bessel Beams Integrated with Time (HOBBIT) system in turbulent conditions.
Main Methods:
- Utilizing off-axis Bessel-Gauss beams within a modified Higher Order Bessel Beams Integrated with Time (HOBBIT) system.
- Rapidly scanning the underwater environment to capture instantaneous turbulence realizations.
- Comparing the performance of off-axis beams with centered on-axis BG beams.
Main Results:
- A reduction of over 91% in scintillation index for off-axis BG beams compared to on-axis beams.
- Successful transmission of higher-order Bessel-Gauss beams through the turbulent medium.
- Identification and characterization of robust, unperturbed transmission paths.
Conclusions:
- Off-axis Bessel-Gauss beams provide a highly effective solution for mitigating underwater turbulence effects.
- TheHOBBIT system enables rapid identification of optimal paths for robust optical communication.
- Simultaneous transmission of multiple beams through these optimized paths is feasible.
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