Search Results - "Davod Nobahar"

Vortex beam manipulation through a tunable plasma-ferrite metamaterial by Nobahar, Davod, Khorram, Sirous, Rodrigues, João D.

“…This paper is devoted to the study of vortex beam transmission from an adjustable magnetized plasma-ferrite structure with negative refraction index. We use…”
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Terahertz vortex beam propagation through a magnetized plasma-ferrite structure by Nobahar, Davod, Khorram, Sirous

“…•We propose an adjustable stratified structure to manipulate terahertz vortex beam.•Reshaping of terahertz vortex beam via magnetic material was studied for…”
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Anisotropic plasma sheath turbulence effects on the mode states of Whittaker-Gaussian beams by Nobahar, Davod, Khorram, Sirous

“…In this paper detection probability and crosstalk probability variance of the orbital angular momentum states of the diffraction-free Whittaker-Gaussian (WG)…”
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Dust-ion acoustic solitons in superthermal dusty plasmas by Pakzad, Hamid Reza, Nobahar, Davod

“…•The range of propagation of dust-ion acoustic wave as a soliton form wave is found according to the plasma parameters.•Effects of superthermal parameter and…”
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The Effect of Plasma Sheath Turbulence on the Orbital Angular Momentum States of Bessel-Gaussian and Laguerre-Gaussian Beams by Davod Nobahar, Sirous Khorram

“…In this work, detection probability of the orbital angular momentum (OAM) states of the Bessel-Gaussian (BG) and Laguerre-Gaussian (LG) beams passing through a…”
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Twisted positron-acoustic wave in quantum plasmas by Nobahar, Davod, Pakzad, Hamid Reza

“…In this paper, we explore the existence of positron-acoustic wave (PAW) carrying orbital angular momentum (OAM) in a quantum electron-positron-ion (EPI) plasma…”
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Orbital angular momentum state variation of vortex beams propagating in a plasma sheath turbulence by Nobahar, Davod, Khorram, Sirous, Rodrigues, João D.

“…The presence of turbulent media is one of the major problems in the free-space communications. This arises from the sever distortion of spatial modes which…”
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Collisional absorption of the optical vortex beam in plasma by Nobahar, Davod, Hajisharifi, Kamal, Mehdian, Hassan

“…•Compared to the plane wave, collisional absorption of vortex beam decreases in plasma.•High frequency vortex beam has low absorption coefficient in…”
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