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Browsing by Subject "Optical Propagation"

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Anisotropic non-Kolmogorov turbulence effect on transmittance of multi-Gaussian beam

Ata, Yalçın; Baykal, Yahya (2020-01-02)

The effect of anisotropic non-Kolmogorov turbulent atmosphere on multi-Gaussian beam is investigated and the results are presented against different beam and medium parameters. Results show that anisotropy increases the ...
Effects of underwater turbulence on average transmittance of cos-Gaussian and cosh-Gaussian optical beams

Keskin, Ayşan; Baykal, Yahya Kemal (2021-11-02)

The impacts of underwater turbulence on the average optical transmittance are investigated when optical cosine-Gaussian and optical cosine-hyperbolic-Gaussian (cosh-Gaussian) beam propagate in weakly turbulent underwater ...
Flat-topped beam transmittance in anisotropic non-Kolmogorov turbulent marine atmosphere

Yalçın, Ata; Baykal, Yahya (Spie-Soc Photo-Optical Instrumentation Engineers, 2017-10)

Turbulence affects optical propagation, and, as a result, the intensity is attenuated along the path of propagation. The attenuation becomes significant when the turbulence becomes stronger. Transmittance is a measure ...
M-ary phase shift keying-subcarrier intensity modulation performance in strong oceanic turbulence

Gökçe, Muhsin Caner; Baykal, Yahya; Ata, Yalçın (Spie-Soc Photo-Optical Instrumentation Engineers, 2019-05)

In strong oceanic turbulence, we investigate the bit error rate (BER) performance of underwater wireless optical communication links by employing phase shift keying subcarrier intensity modulated Gaussian laser beam at the ...
Transmittance of multi Gaussian optical beams for uplink applications in atmospheric turbulence

Ata, Yalçın; Baykal, Yahya (IEEE-Inst Electrical Electronics Engineers Inc, 2015-09)

On-axis slant path uplink transmittance (used in short as transmittance throughout the text) for multi Gaussian optical beam in Kolmogorov atmospheric turbulent medium is investigated. It is observed that for both the ...

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