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Browsing Elektronik ve Haberleşme Mühendisliği Bölümü Yayın Koleksiyonu by Subject "Dark Hollow Beams"

Now showing items 1-9 of 9

Concept of area scintillation

Eyyuboğlu, Halil T. (Springer, 2009-08)

Stemming from the results of our earlier investigations, the concept of area scintillation is introduced, which takes into account the intensity distribution over the receiver plane. In this context, the area scintillation ...
Cross beam scintillations in non-Kolmogorov medium

Baykal, Yahya (Optical Soc Amer, 2014-10)

For the collimated and focused cross beams, the on-axis scintillation index is evaluated when these beams propagate in weak non-Kolmogorov turbulence. In the limiting cases, our solution correctly reduces to the known ...
Generalized tensor ABCD law for an elliptical Gaussian beam passing through an astigmatic optical system in turbulent atmosphere

Cai, Yangjian; Lin, Q.; Eyyuboğlu, Halil T.; Baykal, Yahya (Springer, 2009-02)

The propagation of an elliptical Gaussian beam (EGB) through an astigmatic ABCD optical system in a turbulent atmosphere is investigated. An analytical formula for the average intensity of an EGB and a generalized tensor ...
Partially coherent elegant Hermite-Gaussian beam in turbulent atmosphere

Wang, F.; Cai, Y.; Eyyuboğlu, Halil T.; Baykal, Yahya (Springer, 2011-05)

Based on the extended Huygens-Fresnel integral, analytical formulas for the cross-spectral density, mean-squared beam width and angular spread of a partially coherent elegant Hermite-Gaussian (HG) beam in turbulent atmosphere ...
Partially coherent Lorentz Gaussian beam and its scintillations

Eyyuboğlu, Halil T. (Springer, 2011-06)

We study the scintillation aspects of partially coherent Lorentz Gaussian (LG) beams via numerically integrating the average and average squared intensity expressions. Within the examined range of input and propagation ...
Propagation and coherence properties of higher order partially coherent dark hollow beams in turbulence

Eyyuboğlu, Halil T. (Elsevier Science Ltd, 2008-02)

We formulate and evaluate in terms of graphical outputs, source and receiver plane expressions, the complex degree of coherence, beam size variation and power in bucket performance for higher order partially coherent dark ...
Propagation of various dark hollow beams through an optical system in turbulent atmosphere

Cai, Yangjian; Eyyuboğlu, Halil T.; Baykal, Yahya (Elsevier Science, 2010-10)

The propagation of a dark hollow beam (DHB) of circular, elliptical or rectangular symmetry through aligned and misaligned ABCD optical systems in turbulent atmosphere is investigated. Analytical propagation formulae for ...
Scintillation calculations for partially coherent general beams via extended Huygens-Fresnel integral and self-designed Matlab function

Eyyuboğlu, Halil T.; Baykal, Yahya; Cai, Y. (Springer, 2010-09)

We present scintillation calculations in weak atmospheric turbulence for partially coherent general beams based on the extended Huygens-Fresnel integral and a Matlab function designed to handle expressions both of the ...
Scintillations of Laguerre Gaussian beams

Eyyuboğlu, Halil T.; Baykal, Yahya; Ji, X. (Springer, 2010-03)

By using the Rytov method, we formulate and numerically evaluate the scintillations of Laguerre Gaussian beams in weak atmospheric turbulence. Our results indicate that at on-axis positions, Laguerre Gaussian beams with ...

Now showing items 1-9 of 9

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Browsing Elektronik ve Haberleşme Mühendisliği Bölümü Yayın Koleksiyonu by Subject "Dark Hollow Beams"

Browsing Elektronik ve Haberleşme Mühendisliği Bölümü Yayın Koleksiyonu by Subject "Dark Hollow Beams"

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