Journal ArticleDOI
Atmospheric turbulence effects on a partially coherent Gaussian beam: implications for free-space laser communication.
TLDR
In this article, a quasi-monochromatic Gaussian laser beam propagating in atmospheric turbulence is examined by using a derived analytic expression for the cross-spectral density function.Abstract:
A partially coherent quasi-monochromatic Gaussian laser beam propagating in atmospheric turbulence is examined by using a derived analytic expression for the cross-spectral density function. Expressions for average intensity, beam size, phase front radius of curvature, and wave-front coherence length are obtained from the cross-spectral density function. These results provide a model for a free-space laser transmitter with a phase diffuser used to reduce pointing errors.read more
Citations
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Journal ArticleDOI
Survey on Free Space Optical Communication: A Communication Theory Perspective
TL;DR: An up-to-date survey on FSO communication systems is presented, describing FSO channel models and transmitter/receiver structures and details on information theoretical limits of FSO channels and algorithmic-level system design research activities to approach these limits are provided.
Journal ArticleDOI
Outage Capacity Optimization for Free-Space Optical Links With Pointing Errors
A.A. Farid,Steve Hranilovic +1 more
TL;DR: A statistical model for the optical intensity fluctuation at the receiver due to the combined effects of atmospheric turbulence and pointing errors is derived and the effect of beam width, detector size, and jitter variance explicitly is considered.
Journal ArticleDOI
Urban optical wireless communication networks: the main challenges and possible solutions
Debbie Kedar,Shlomi Arnon +1 more
TL;DR: Some of the exciting new research approaches that have been suggested to deal with UOWC issues are presented, including optimization of telescope gain, new technologies for pointing systems, and solutions at the network level.
Journal ArticleDOI
Free-space laser communication performance in the atmospheric channel
TL;DR: Statistical estimation and computation of communication parameters presented in this chapter will be useful in designing and optimizing lasercom systems that are reliable under all weather conditions.
Journal ArticleDOI
Transport of intensity equation: a tutorial
Chao Zuo,Jiaji Li,Jiasong Sun,Fan Yao,Jialin Zhang,Linpeng Lu,Runnan Zhang,Bowen Wang,Lei Huang,Chen Qian +9 more
TL;DR: A new era in which strict coherence and interferometry are no longer prerequisites for quantitative phase imaging and diffraction tomography is highlighted, paving the way toward new generation label-free three-dimensional microscopy, with applications in all branches of biomedicine.
References
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Book
Optical Coherence and Quantum Optics
Leonard Mandel,Emil Wolf +1 more
TL;DR: In this article, the authors present a systematic account of optical coherence theory within the framework of classical optics, as applied to such topics as radiation from sources of different states of coherence, foundations of radiometry, effects of source coherence on the spectra of radiated fields, and scattering of partially coherent light by random media.
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Wave propagation and scattering in random media
TL;DR: This IEEE Classic Reissue presents a unified introduction to the fundamental theories and applications of wave propagation and scattering in random media and is expressly designed for engineers and scientists who have an interest in optical, microwave, or acoustic wave propagate and scattering.
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Laser beam propagation through random media
TL;DR: In this paper, a line-of-sight propagation of Gaussian-Beam waves in the atmosphere has been studied in the context of beam statistics mathematica programmes.
Journal ArticleDOI
Propagation of a Finite Optical Beam in an Inhomogeneous Medium
R. F. Lutomirski,H. T. Yura +1 more
TL;DR: The Huygens-Fresnel principle is extended to a medium that exhibits a spatial (but not temporal) variation in index of refraction, and the formula used is used to calculate the mean intensity distribution for a plane wave diffracting from a circular aperture and to give approximate expressions for the beam spreading at various ranges.
Journal ArticleDOI
Optical beam propagation for a partially coherent source in the turbulent atmosphere
S. C. H. Wang,Martin A Plonus +1 more
TL;DR: In this article, the extended Huygens-Fresnel principle is used to formulate general expressions of the mutual intensity function for a finite optical source with partial spatial coherence propagating in the weakly turbulent atmosphere.