Search Results - "Ata, Yalcin"
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1
Angle-of-Arrival Fluctuations and Adaptive Optics Correction in Non-Kolmogorov Turbulent Atmosphere
Published in IEEE transactions on antennas and propagation (01-12-2022)“…In this study, angle-of-arrival (AOA) fluctuations of plane and spherical waves propagating through a non-Kolmogorov turbulent atmosphere are examined…”
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2
Analysis of Optical Wireless Communication Links in Turbulent Underwater Channels With Wide Range of Water Parameters
Published in IEEE transactions on vehicular technology (01-05-2023)“…In this study, the performance of underwater optical wireless communication links is investigated by taking into account turbulence, absorption and scattering…”
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3
Performance of optical seawater-to-air wireless links in the presence of seawater pitching angle effect
Published in IEEE transactions on communications (24-06-2024)“…This study presents new results for characterization of optical communication links through seawater-to-air interaction by taking into account the effects of…”
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4
HAPS Based FSO Links Performance Analysis and Improvement With Adaptive Optics Correction
Published in IEEE transactions on wireless communications (01-07-2023)“…This paper investigates the performance of high altitude platforms high altitude platforms (HAPS) based free-space optical (FSO) communication links including…”
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5
Wave and phase structure functions of plane and spherical waves in particle-free natural turbulent waters
Published in Optics communications (15-10-2021)“…The expressions for the wave and the phase structure functions of a plane wave and a spherical wave propagating in the natural water turbulence characterized…”
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6
BER variation of an optical wireless communication system in underwater turbulent medium with any temperature and salinity concentration
Published in Optics communications (15-04-2021)“…The effect of natural turbulence on an underwater wireless optical communication (UWOC) link using the on–off-key (OOK) modulation scheme and a coherent plane…”
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Aperture-Averaged Angle-of-Arrival Fluctuations in Oceanic Turbulence of Arbitrary Strength
Published in IEEE transactions on antennas and propagation (01-03-2024)“…In this work, the effects of aperture averaging on reducing the angle-of-arrival (AOA) fluctuations in oceanic turbulence of arbitrary strength are examined…”
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8
Underwater turbulence, its effects on optical wireless communication and imaging: A review
Published in Optics and laser technology (01-12-2022)“…•Underwater turbulence, its effects on optical wireless communication are reviewed.•Underwater turbulence, its effects on imaging are reviewed. Theory of…”
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9
Field correlation of flat-topped beams in anisotropic non-Kolmogorov turbulent atmosphere
Published in Journal of modern optics (19-01-2019)“…Field correlation of flat-topped beams in anisotropic non-Kolmogorov turbulent atmosphere is formulated and evaluated. Larger anisotropic factor causes higher…”
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10
Evaluation of Underwater Optical Wireless Channels over F Turbulence for Different Detection Types
Published in IEEE transactions on communications (04-09-2024)“…This paper presents a comprehensive performance study for the underwater optical wireless communication (UOWCs) channel, accounting for the effects of…”
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11
Fiber-Coupling Efficiency of Laser Array Beam From Turbulent Atmosphere to Fiber Link
Published in Journal of lightwave technology (01-01-2023)“…Free-space optical communication (FSOC) systems are nowadays integrated with fiber optical components developed for fiber-optic communications. In such…”
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12
Prevention of Scarring of Lung Parenchyma in COVID-19 Patients through Glucocorticoid Treatment
Published in American journal of health behavior (28-02-2023)“…The objective of this research was to determine the impact of glucocorticoid treatment on preventing scarring of lung parenchyma in COVID-19 patients by…”
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13
Tissue turbulence and its effects on optical waves: A review
Published in Optics communications (01-11-2023)“…Tissue turbulence and the effects of tissue turbulence on the propagation of optical waves are reviewed. After the introduction of a survey on the reported…”
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14
Performance analysis of M-ary pulse position modulation in strong oceanic turbulence
Published in Optics communications (15-11-2018)“…In this paper, we consider an underwater wireless optical communication (UWOC) system which consists of an M-ary pulse position modulated (PPM) Gaussian…”
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15
Multimode beam propagation through atmospheric turbulence
Published in Journal of quantitative spectroscopy & radiative transfer (01-02-2024)Get full text
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16
Coupling efficiency of multimode beam to fiber in atmospheric turbulence
Published in Journal of quantitative spectroscopy & radiative transfer (01-07-2023)“…•Mutual coherence function for multimode incidence is derived.•Received optical power on the coupling lens and the fiber core are derived.•Fiber coupling…”
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17
Structure functions for optical waves in a complex medium of turbulent biological tissues
Published in Journal of the Optical Society of America. A, Optics, image science, and vision (01-12-2022)“…Although optical wave propagation is investigated based on the absorption and scattering in biological tissues, the turbulence effect can also not be…”
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18
Intensity and Degree of Coherence of Vortex Beams in Atmospheric Turbulence
Published in IEEE journal of quantum electronics (01-12-2024)“…We utilize the Huygens-Fresnel principle to derive the mutual coherence function (MCF) for a vortex beam, which is the main focus of our investigation. Then,…”
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19
Mitigation of atmospheric turbulence on up and downlink optical communication systems using receiver diversity and adaptive optics
Published in Optical and quantum electronics (01-10-2022)“…Improvement in the performance of uplink and downlink optical communication systems by means of receive diversity and adaptive optics correction is…”
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20
General scintillation for Gaussian beam propagating through oceanic turbulence and UWOC system performance evaluation
Published in Optics and laser technology (01-01-2025)“…In this paper, we derive a general and exact closed-form expression of scintillation index (SI) for a Gaussian beam propagating through weak oceanic…”
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