Log-Amplitude Variance of Laser Beam Propagation on the Slant Path Through the Turbulent Atmosphere

Wei, Hongyan; Wu, Zhensen; Ma, and Qingliang

doi:10.2528/pier10072205

Cited by 16 publications

(9 citation statements)

References 25 publications

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“…This topic is of an increasing interest because of the important role of laser beams in a wide range of modern technological applications, such as electromagnetic transmissions [4] in optical systems and in the atmosphere [5], satellite communication [6], medical diagnostics [7][8][9][10], and diagnostic techniques of turbulence [11] in heated turbulent media and in combustion chambers.…”

Section: Introductionmentioning

confidence: 99%

Correlations of Deflection Angles of a Laser Beam in a Hot Turbulent Jet of Air: Theoretical Determination and Experimental Measurement of the Structure Coefficient of Refractive Index Fluctuations

Bilong¹,

Nyobe²,

Hona³

et al. 2012

PIER B

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Abstract-Using the geometrical optics approximation, a theoretical prediction of the deflection angle correlation of a laser beam propagating in a hot turbulent jet is found as a functional form of the turbulent spectrum of the refractive index fluctuations. By applying the modified Von Karman model and Tatarskii model, the structure coefficient of the refractive index and the deflection angle correlation of the laser beam are then computed by means of a numerical procedure. Experiments to measure the structure coefficient are performed. A good agreement between the experimental results obtained and the theoretical predictions demonstrates the validity of the theoretical approach.

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Section: Introductionmentioning

confidence: 99%

Correlations of Deflection Angles of a Laser Beam in a Hot Turbulent Jet of Air: Theoretical Determination and Experimental Measurement of the Structure Coefficient of Refractive Index Fluctuations

Bilong¹,

Nyobe²,

Hona³

et al. 2012

PIER B

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show abstract

“…Moreover, Propagation properties of a similar family of beams, for example, cosh-Gaussian beams have been investigated in detail [26][27][28][29][30]. Recently, because of the requirement of atmospheric communication, detection and remote sensing, the characteristics of the laser beam propagation on slant path become very important [31,32]. To the best of our knowledge, there has been no report on the quantum polarization fluctuations of QHG beams propagating in a turbulent atmosphere slant channel.…”

Section: Introductionmentioning

confidence: 99%

Degree of Depolarization of Quantization Hermite-Gaussian Beam in a Turbulent Atmosphere

Zhang¹,

Zhang²,

Zhu³

2013

PIER

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Abstract-Based on quantum Stokes operators and non-Kolmogorov spectrum model of index-of-refraction fluctuation, the analytical formulas for the quantum degree of depolarization of quantization Hermite-Gaussian (QHG) beams propagating in a turbulent atmosphere slant channel are derived. The nonclassical polarization properties of QHG beams propagating in turbulent atmosphere are studied numerically. It is found that the polarization fluctuations of QHG beams are dependent of the turbulence factors such as spectrum powerlaw exponent, refractive index structure parameter at the ground and zenith angle. The degree of depolarization of QHG beams has a saltation and reaches the minimum value at spectrum power-law exponent α = 11/3, the refractive index structure parameter at the ground of the turbulent atmosphere slightly affects the polarization degree of QHG beams which have travelled a long distance, and the change of polarization degree decreases with the increasing zenith angle. Furthermore, the numerical simulations show that QHG beams with higher photonnumber level, lower beam order, shorter wavelength are less affected by the turbulence. These results indicate that One can choose low-order QHG beams with wavelength λ = 690 nm as optical carrier, increase photon number, set the size of transmitting aperture w 0 as about 0.1 m, and detect communication signals at the central region of beams to improve the performance of a polarization-encoded free-space quantum communication system.

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“…The study of Lorentz beam propagation and focusing can be extended to novel chiral waveguides [15,16], optical fiber filled with liquid crystals [17], turbulent environment [18] as well as medium with exotic electrodynamics [19]. Further analysis on scattering of the Lorentz beam by metallic spheres [20] and negative refractive index materials [21] would be useful for developing plasmonic devices with subwavelength optical resolution.…”

Section: Introductionmentioning

confidence: 99%

Evolution and Collapse of a Lorentz Beam in Kerr Medium

Chen¹,

Ooi²

2011

PIER

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Log-Amplitude Variance of Laser Beam Propagation on the Slant Path Through the Turbulent Atmosphere

Cited by 16 publications

References 25 publications

Correlations of Deflection Angles of a Laser Beam in a Hot Turbulent Jet of Air: Theoretical Determination and Experimental Measurement of the Structure Coefficient of Refractive Index Fluctuations

Correlations of Deflection Angles of a Laser Beam in a Hot Turbulent Jet of Air: Theoretical Determination and Experimental Measurement of the Structure Coefficient of Refractive Index Fluctuations

Degree of Depolarization of Quantization Hermite-Gaussian Beam in a Turbulent Atmosphere

Evolution and Collapse of a Lorentz Beam in Kerr Medium

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