An expression for logarithmic light intensity fluctuation variance of partially coherent light passing through atmospheric turbulence is derived by using Andrews scintillation model on the basis of Rytov variance.
Fresnel diffraction of the grating illuminated with the polychromatic light source is theoretically analyzed with the theory of partially coherent light, and the general formula of the diffraction intensity of the grating is obtained. This formula is applicable to any kind of illuminance pulsed or CW. The theoretic results show that the average diffractive intensity distributions of the grating illuminated by the different source with the same spectrum are the same.
In this paper, by using the method of expanding the hard-edge aperture function into a finite sum of complex Gaussian functions, the recurrence propagation expression for the propagation of partially coherent beams through a multiple apertured ABCD optical system is derived, which provides a fast algorithm for simulating the propagation of partially coherent beams through hard-aperture optics.
Based on the propagated law of the mutual intensity with the partial coherent light (GSM), the characteristics of the irradiance distribution in Young's experiment are investigated with GSM.
The partial coherent light diffraction theory is applied to determine the X- ray inten- sity distribution on the soft X- ray CCD camera. Analysis shows that the spectral resolution is better than 0 .0 5 nm over the spectral range of 1 .4～ 1 2 nm,which is successfully demon- strated in the relevant experiments.
The spatial variation period of the beam is obtained. And we find that the transverse coherence property of the partially coherent beam evolves periodically with the distance. Our analysis can also be etended to the elliptical partially coherent beam.
The length and the time of coherent ("free") path of the wave train are considered as new spatial and temporal scales of a partially coherent light field.
We analyze the influence of a weak phase modulation of multiply scattered partially coherent light fields on the variance of fluctuations of the scattered field intensity.
Depolarization of partially coherent light in liquid crystals
In the paper we present results of analysis of partially coherent light depolarization in two types of liquid crystals possessing linear birefringence controlled by temperature and external electric field changes.
On the production of photon-anticorrelation effects in a degenerate parametric amplifier by means of partially coherent light fi
The recent progresses on the propagation, generation and application of partially coherent beam (PCB) are reviewed in this paper.
The orientation of a general partially coherent beam is described by introducing two pairs of orthogonal axes defined in terms of the second-order coherence features of the field.
The change of the width for a partially coherent beam on paraxial propagation.
The paper describes degrees of freedom in an imaged plane when its object plane under the illumination of partially coherent light is imaged through an optical system. It also shows the transfer mechanism of degrees of freedom through an optical system by means of both imaging integral equaton and illuminative integral equation. The conclusion is that the aberration of an optical system will not change the degrees of freedom.
In this paper,the principle of the fault dispersive spot effect and the method used in processing the information of the partially coherent light of the di-Spsrsive spot diagrams are explained.The experimental result and photographs obtained in utilizing the effect to test nondestructively the fibre board samples are presented,the theory and experiments have shown that the experimental equipments are simple,that their e hvironmental condition is common,that the inspection sensitivity is high when the method...
In this paper,the principle of the fault dispersive spot effect and the method used in processing the information of the partially coherent light of the di-Spsrsive spot diagrams are explained.The experimental result and photographs obtained in utilizing the effect to test nondestructively the fibre board samples are presented,the theory and experiments have shown that the experimental equipments are simple,that their e hvironmental condition is common,that the inspection sensitivity is high when the method is used in the nondestructive inspection.Therefore it is useful.
According to the principles of partially coherent light imaging,a new method of white light malti processing is proposed,and some necessary formulae are introduced.This method is used to have the black-white images pseudocoloured in real time.Some experimental results are presented in the last part of this paper.