Average Intensity and Spreading of Partially Coherent Four-Petal Gaussian Beams in Turbulent Atmosphere

Li, Jia; Chen, Yanru; Xu, Shixue; Wang, Yongqing; Zhou, Mu; Zhao, Qi; Xin, Yu; Chen, Feinan

doi:10.2528/pierb10062306

Cited by 8 publications

(3 citation statements)

References 61 publications

(90 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The average intensity and spread of partially coherent standard and elegant Laguerre-Gaussian beams in atmospheric turbulence were shown in [4]. The average intensity and spread of partially coherent four-petal Gaussian beams in atmospheric turbulence were also investigated [5]. Researchers from our group have studied log-amplitude variance, beam spread, wander variance, and scintillation considering the inner and outer scales of Gaussian beams propagating through slant atmospheric turbulence [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Polarization Characteristics of a Partially Coherent Gaussian Schell-Model Beam in Slant Atmospheric Turbulence

Li¹,

Wu²,

Wang³

2011

PIER

View full text Add to dashboard Cite

Abstract-On the basis of the extended Huygens-Fresnel principle, the cross-spectral density matrix (CSDM) of partially coherent Gaussian Schell-model (GSM) beams in the slant atmospheric turbulence is derived. Given that the light emitted from a transmitter is elliptically polarized light, the degree of polarization (DoP) of the partially coherent GSM beams is represented by Stokes parameters expressed by the elements of the CSDM. The expressions of the orientation angle, polarized light intensity in the major axis are derived and the numerical results are presented. Depolarization theory is studied using a Mueller matrix and the depolarization index (DI) is obtained to describe the depolarized state of the partially coherent GSM beams propagating in the slant atmospheric turbulence. Results show that the DOP and DI of the beam tend to their initial value in the long-range propagation.

show abstract

Section: Introductionmentioning

confidence: 99%

Polarization Characteristics of a Partially Coherent Gaussian Schell-Model Beam in Slant Atmospheric Turbulence

Li¹,

Wu²,

Wang³

2011

PIER

View full text Add to dashboard Cite

show abstract

“…The fluctuation characteristics of the amplitude and phase of an optical wave propagating through a turbulent medium have been a source of theoretical and experimental investigations for many years [1][2][3][4][5][6][7][8][9]. There are also many other correlative researches [10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25]. Ishimaru [1] used spectral analysis techniques to obtain expressions for the covariance and structure functions of log-amplitude and phase in locally homogeneous and isotropic turbulence.…”

Section: Introductionmentioning

confidence: 99%

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

Wei¹,

Wu²,

Ma³

2010

PIER

View full text Add to dashboard Cite

Abstract-Based on the altitude-dependent model of ITU-R slant atmospheric turbulence structure constant, the log-amplitude variance of laser beam propagation on the slant path through turbulent atmosphere is obtained with transmitter and receiver parameters and can be degenerated to the result of the horizontal path with atmospheric structure constant as a fixed value. These expressions are convenient tools for beam-wave analysis. Finally, we apply the ITU-R turbulence structure constant model to calculate collimated, divergent and convergent beam log-amplitude variance. The numerical conclusions indicate the log-amplitude variance of laser beam propagation on slant path is generally smaller than those on horizontal path.

show abstract

“…A few papers reported the scintillation of a partially coherent beam. Many researchers concerned with the spread and average intensity of partially coherent beam [18,19].…”

Section: Introductionmentioning

confidence: 99%

Scintillation Index of a Gaussian Schell-Model Beam on Slant Atmospheric Turbulence

Xiang

Wu²

2013

PIER M

View full text Add to dashboard Cite

Abstract-Based on the altitude-dependent model of the ITU-R slant atmospheric turbulence structure constant model, we present scintillation index calculations for a Gaussian Schell-model (GSM) beam under all irradiance fluctuation conditions. The longitudinal and radial components of the scintillation index are treated separately. Our results correctly reduce to the result of the horizontal path with atmospheric structure constant fixed, and simplify to a fully coherent beam with source coherence parameter ζ s representing unit. The numerical conclusions indicate that within specific source and parameter ranges, the GSM beam is capable of offering less scintillation than the full coherent Gaussian beam. Before the maximum value of the scintillation, the scintillation index of the GSM beam will decrease with increased altitude. However, the off axis radial scintillation index will vanish when the Rytov variance is infinity.

show abstract

Average Intensity and Spreading of Partially Coherent Four-Petal Gaussian Beams in Turbulent Atmosphere

Cited by 8 publications

References 61 publications

Polarization Characteristics of a Partially Coherent Gaussian Schell-Model Beam in Slant Atmospheric Turbulence

Polarization Characteristics of a Partially Coherent Gaussian Schell-Model Beam in Slant Atmospheric Turbulence

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

Scintillation Index of a Gaussian Schell-Model Beam on Slant Atmospheric Turbulence

Contact Info

Product

Resources

About