Konu "Gaussian-Beam" için Elektrik Elektronik Mühendisliği Bölümü listeleme

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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 ...
Multimode laser beam scintillations in strong atmospheric turbulence

Baykal, Yahya; Gerçekçioğlu, Hamza (Springer Heidelberg, 2019-08)

Multimode laser beam scintillation index is formulated at the origin of the receiver plane (on-axis) in strong atmospheric turbulence using the modified Rytov method. Variations of the scintillation index against the ...
Off-axis average transmittance and beam spread of a partially coherent flat-topped beam in a turbulent underwater medium

Keskin, Aysan; Baykal, Yahya (Optical Soc Amer, 2019-08-01)

The effects of oceanic turbulence on the off-axis optical transmittance and beam spread are examined when a partially coherent flat-topped beam wave propagates in an underwater medium. To observe the oceanic turbulence ...

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