Statistical Features of Phase Screens from Scattering Data

Żardecki, A.

doi:10.1007/978-3-642-81272-9_6

Cited by 11 publications

(2 citation statements)

References 202 publications

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“…By far the dominant effect of a flame of the type described in the last section on an incident laser beam is to produce a random distortion of the incident wave-front whose average magnitude is greater than a wavelength. The flame therefore behaves as a 'strong diffuser' or 'deep random phase screen' (Zardecki 1978). This is a scattering system of long-standing interest.…”

Section: Theorymentioning

confidence: 99%

Application of non-Gaussian scattering of laser light to measurements in a propane flame

Jakeman¹,

Klewe²,

Richards³

et al. 1984

J. Phys. D: Appl. Phys.

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The photon statistics of light scattered from an expanded laser beam which has passed through a laboratory propane flame are shown to be similar to those for light scattered from other deep random phase screens. The intensity fluctuations arise from the discrete eddy structure of the flame which Schlieren photographs confirm as having a broad size distribution. Intensity cross-correlation measurements using two point detectors positioned in the fluctuating scattered beam and at various distances from the flame give well defined velocities which in the near field are closely related to the convection velocity. It is also shown that when there are clearly defined regions of the flame with different mean convection velocities the cross-correlation measurements give separate results for each region.

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Section: Theorymentioning

confidence: 99%

Application of non-Gaussian scattering of laser light to measurements in a propane flame

Jakeman¹,

Klewe²,

Richards³

et al. 1984

J. Phys. D: Appl. Phys.

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show abstract

“…(1) The phase reconstruction problem for time and space coherence functions [Baltes, 1980] photons received by a detector from the raw data of photoelectric detection [Selloni, 1980]. (5) Retrieval of statistical features of disordered scattering systems or fluctuating sources from properties of the scattered field [Ross et al, 1980;Zardecki, 1978;Jakernan and Pusey, 1980]. (6) Reconstruction of the photon statistics from a few moments or correlations under given constraints, i.e., the moment problem of quantum optics [Baltes et al, 1979].…”

Section: Introductionmentioning

confidence: 99%