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Browsing Mühendislik Fakültesi by Subject "Transmittance"

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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 ...
Average transmittance in non-Kolmogorov turbulence

Ata, Yalçın; Baykal, Yahya; Gerçekçioğlu, Hamza (Elsevier Science Bv, 2013-09-15)

Average transmittance in non-Kolmogorov turbulence is evaluated. Our recently published equivalent structure constant formulation is employed in our numerical evaluations. At the fixed propagation distance and wavelength, ...
Effect of strong atmospheric non-Kolmogorov turbulence on the M-ary PSK subcarrier intensity modulated free space optical communications system performance

Gökçe, Muhsin Caner; Ata, Yalçın; Baykal, Yahya (Optical Soc Amer, 2019-05-01)

Atmospheric turbulence is one of the significant phenomena that degrades the free space optical (FSO) communications system performance, and thus designers need to define the requirements related to turbulence and optimize ...
Effects of Focused and Collimated Laser Beams on the Performance of Underwater Wireless Optical Communication Links

Keskin, Aysan; Çatmakaş, Ömer Kemal; Genç, Fatih; Baykal, Yahya; Altay Arpalı, Serap; Arpalı, Çağlar (IEEE, 2015)

In this paper, the optical transmittance and bit error rate (BER) of focused and collimated laser beams are experimentally examined in an underwater optical wireless communication link with different water types. The water ...
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 ...
Transmittance for Dense Wavelength Division Multiplexing system in non-Kolmogorov turbulence

Ata, Yalçın; Baykal, Yahya; Gerçekçioğlu, Hamza (2012)

Transmittance for a Dense Wavelength Division Multiplexing (DWDM) system operating in non-Kolmogorov medium is evaluated. MODTRAN (MODerate resolution atmospheric TRANsmission) is also used to include the absorption and ...
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 ...
Turbulence effect on transmittance of atmospheric optics telecommunication system using dense wavelength division multiplexing

Ata, Yalçın; Baykal, Yahya (Taylor&Francis Ltd, 2011)

The effect of atmospheric turbulence on atmospheric optics telecommunication links employing dense wavelength division multiplexing (DWDM) systems is examined. For this purpose, transmittance obtained by using the MODTRAN ...

Now showing items 1-8 of 8

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Browsing Mühendislik Fakültesi by Subject "Transmittance"

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