Effects of underwater turbulence on average transmittance of cos-Gaussian and cosh-Gaussian optical beams

Keskin, Aysan; Baykal, Yahya

doi:10.1080/17455030.2020.1743897

Cited by 5 publications

(5 citation statements)

References 29 publications

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“…1 Kinetic energy dissipation per unit mass of fluid [23] Transmission rates remained consistent in temperature-induced optical turbulence, and the transmission rates decreased for both beam types in salinity-induced turbulence 2…”

Section: No Turbulence Conditions Optical Effectmentioning

confidence: 93%

“…In temperature-induced optical turbulence, transmission rates remain consistent. However, an uptick in salinity-induced turbulence notably decreases the transmission rates for both beam types [23]. Closed-form Rytov variance expressions are derived by the simulations of plane and spherical wave propagations, linking the scintillation index to Rytov variance across different underwater turbulence intensities [24].…”

Section: Underwater Turbulence's Influence On Lightmentioning

confidence: 99%

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Breakthrough Underwater Physical Environment Limitations on Optical Information Representations: An Overview and Suggestions

Li,

Zhang,

Zhang

et al. 2024

JMSE

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Underwater optics have seen a notable surge of interest in recent years, emerging as a critical medium for conveying information crucial to underwater resource exploration, autonomous underwater vehicle navigation, etc. The intricate dynamics of underwater optical transmission, influenced by factors such as the absorption by the water and scattering by multiple particles, present considerable challenges. One of the most critical issues is that the optical information representation methods fail to take into account the impact of the underwater physical environment. We conducted a comprehensive review and analysis of recent advancements in underwater optical transmission laws and models. We summarized and analyzed relevant research on the effects of underwater particles and turbulence on light and analyzed the polarization effects in various environments. Then, the roles of various types of underwater optical propagation models were analyzed. Although optical models in complex environments are still mostly based on Monte Carlo methods, many underwater optical propagation mechanisms have been revealed and can promote the impacts of optical information expression. We delved into the cutting-edge research findings across three key domains: the enhancement of underwater optical image quality, the 3D reconstruction from monocular images, and the underwater wireless optical communication, examining the pivotal role played by light transmission laws and models in these areas. Drawing upon our extensive experience in underwater optics, including underwater optical sensor development and experiments, we identified and underscored future directions in this field. We advocate for the necessity of further advancements in the comprehension of underwater optical laws and physical models, emphasizing the importance of their expanded application in underwater optical information representations. Deeper exploration into these areas is not only warranted but essential for pushing the boundaries of current underwater optical technologies and unlocking new potential for their application in underwater optical sensor developments, underwater exploration, environmental monitoring, and beyond.

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Section: No Turbulence Conditions Optical Effectmentioning

confidence: 93%

Section: Underwater Turbulence's Influence On Lightmentioning

confidence: 99%

Breakthrough Underwater Physical Environment Limitations on Optical Information Representations: An Overview and Suggestions

Li,

Zhang,

Zhang

et al. 2024

JMSE

View full text Add to dashboard Cite

show abstract

“…It is clear from Figure 6 that the magnitude of the channel capacity decreases with increasing t χ and decreasing ε . The reason for this result comes from that with the increase in t χ and the decrease in ε , the turbulence of seawater increases, and the influence of turbulence on the beam increases [31].…”

Section: Effects Of Seawater Turbulence and Beam Parameters On Channel Capacitymentioning

confidence: 98%

“…It is clear from Figure 6 that the magnitude of the channel capacity decreases with increasing χ t and decreasing ε. The reason for this result comes from that with the increase in χ t and the decrease in ε, the turbulence of seawater increases, and the influence of turbulence on the beam increases [31]. However, because the refractive index difference is small in the outer scale of turbulence, the wave front distortion of the beam increases but not much.…”

Section: Effects Of Seawater Turbulence and Beam Parameters On Channel Capacitymentioning

confidence: 99%

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Capacity of the Weakly Absorbent Turbulent Ocean Channel with the Coaxial Double-Position Power Gaussian Vortex

Yan

Zhu

Zhang

2021

JMSE

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Turbulence and absorption of seawater are two important factors affecting the signal transmission quality of underwater optical communication link. Here, we study the channel capacity and bit error rate of an underwater extinction communication link with a coaxial double-position power Gaussian vortex carrier based on Rytov approximation theory. The study finds that channel capacity and bit error rate are the nonlinear functions of the dimensionless structural parameter and reach maximum and minimum values at |α| = 1, respectively. The seawater absorption has a great influence on the channel capacity but not bit error rate. The communication link with large receiving aperture, small transmitting beam diameter, long wavelength of light source in a seawater window, and more OAM channels has high channel capacity.

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Propagation of Sine hyperbolic Gaussian vortex beam (ShGvB) in vertical anisotropic oceanic turbulence with adaptive optics correction

Das,

Rajesh,

Gopinath

2025

Optics Communications

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Effects of underwater turbulence on average transmittance of cos-Gaussian and cosh-Gaussian optical beams

Cited by 5 publications

References 29 publications

Breakthrough Underwater Physical Environment Limitations on Optical Information Representations: An Overview and Suggestions

Breakthrough Underwater Physical Environment Limitations on Optical Information Representations: An Overview and Suggestions

Capacity of the Weakly Absorbent Turbulent Ocean Channel with the Coaxial Double-Position Power Gaussian Vortex

Propagation of Sine hyperbolic Gaussian vortex beam (ShGvB) in vertical anisotropic oceanic turbulence with adaptive optics correction

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