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scholarly journals Performance analysis and modeling:  atmospheric turbulence and crosstalk of WDM-FSO network

2021 ◽  
Author(s):  
Ebrahim E. Elsayed
Keyword(s):  
Wavelength Division Multiplexing ◽  
Communication Systems ◽  
High Speed ◽  
Access Network ◽  
Pulse Position Modulation ◽  
Free Space Optical ◽  
Beam Spreading ◽  
Wavelength Division ◽  
Digital Pulse ◽  
Amplified Spontaneous Emission Noise

Abstract A wavelength division multiplexing (WDM) access network using high-speed free-space optical (FSO) communication for the distribution link is proposed. This Paper investigates terrestrial atmospheric of WDM-FSO communication systems operating under the influence of turbulence-induced scintillation, beam spreading, optical interchannel crosstalk, amplified spontaneous emission noise and pointing errors.On-off keying-non–return-to-zero and digital pulse position modulation are the modulation schemes used for the calculations.

An analytical method to guide mm-sized ultrasonic transducer design by demarcating regimes of beam-spreading and attenuation

2021 ◽  
pp. 1-1
Author(s):  
Bala Govind ◽  
Xiaoyue Jiang ◽  
Stephen Bart ◽  
Peter Hartwell
Keyword(s):  
Analytical Method ◽  
Ultrasonic Transducer ◽  
Beam Spreading ◽  
Transducer Design

THzPrism: Frequency-Based Beam Spreading for Terahertz Communication Systems

2020 ◽  
Vol 9 (6) ◽  
pp. 897-900 ◽  
Author(s):  
Bangzhao Zhai ◽  
Yilun Zhu ◽  
Aimin Tang ◽  
Xudong Wang
Keyword(s):  
Communication Systems ◽  
Beam Spreading ◽  
Terahertz Communication

Evolution and Beam spreading of Arbitrary order vortex beam propagating in atmospheric turbulence

2020 ◽  
Vol 460 ◽  
pp. 124888 ◽  
Author(s):  
Chuankai Luo ◽  
Xiang’e Han
Keyword(s):  
Atmospheric Turbulence ◽  
Arbitrary Order ◽  
Vortex Beam ◽  
Beam Spreading

Beam spreading, kurtosis parameter and Strehl ratio of partially coherent cosh-Airy beams in atmospheric turbulence

Optik ◽  
2019 ◽  
Vol 183 ◽  
pp. 656-663
Author(s):  
Yan Zhou ◽  
Ke Cheng ◽  
Boyuan Zhu ◽  
Na Yao ◽  
Xianqiong Zhong
Keyword(s):  
Atmospheric Turbulence ◽  
Strehl Ratio ◽  
Beam Spreading ◽  
Partially Coherent ◽  
Kurtosis Parameter ◽  
Airy Beams

Mean Irradiance and Beam Spreading

2019 ◽  
Author(s):  
Larry C. Andrews
Keyword(s):  
Beam Spreading

scholarly journals Design of 100-MeV proton beam spreading scheme with double-ring double scattering method

2019 ◽  
Vol 68 (5) ◽  
pp. 054104
Author(s):  
Jin-Hua Han ◽  
Gang Guo ◽  
Jian-Cheng Liu ◽  
Li Sui ◽  
Fu-Quan Kong ◽  
...  
Keyword(s):  
Proton Beam ◽  
Scattering Method ◽  
Double Scattering ◽  
Beam Spreading ◽  
Double Ring

Beam Spreading and Phase Singularities'''' Behavior of Non-Diffracting Vortex Beams Through Turbulent Atmosphere

2019 ◽  
Vol 39 (9) ◽  
pp. 0901001
Author(s):  
葛筱璐 Xiaolu Ge ◽  
岳喜福 Xifu Yue ◽  
王本义 Benyi Wang ◽  
韩克祯 Kezhen Han ◽  
郭立萍 Liping Guo ◽  
...  
Keyword(s):  
Turbulent Atmosphere ◽  
Beam Spreading ◽  
Phase Singularities ◽  
Vortex Beams
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