An effect of the extended detecting aperture on the contrast of monochromatic and white-light speckles
- 1 May 1982
- journal article
- Published by IOP Publishing in Journal of Optics
- Vol. 13 (3), 147-153
- https://doi.org/10.1088/0150-536x/13/3/006
Abstract
An effect of the extended detecting aperture on the contrast of speckle patterns produced with monochromatic and white light is investigated at the focused and defocused image planes. An expression for the degree of contrast reduction of integrated speckle patterns due to the extended detecting aperture is derived by using the method of Goodman (1975). The dependence of the speckle contrast of the size of the detecting aperture is experimentally investigated together with an autocorrelation function of the speckle intensity fluctuation.Keywords
This publication has 8 references indexed in Scilit:
- The Autocorrelation Function of the Speckle Intensity Fluctuation Integrated Spatially by a Detecting Aperture of Finite SizeOptica Acta: International Journal of Optics, 1981
- On the First-order Probability Density Function of Integrated Laser SpeckleOptica Acta: International Journal of Optics, 1981
- Statistical properties of light reflected from a moderately rough surface scanned through a finite size apertureApplied Optics, 1981
- Optical estimation of statistics of surface roughness from light scattering measurementsOptical and Quantum Electronics, 1977
- The scattering of polychromatic light from rough surfaces: first order statisticsOptical and Quantum Electronics, 1975
- First-order probability density functions of speckle measured with a finite apertureOptics Communications, 1974
- First-order Probability Densities of Laser Speckle Patterns Observed through Finite-size Scanning AperturesOptica Acta: International Journal of Optics, 1973
- Detection of Images Immersed in Speckle NoiseOptica Acta: International Journal of Optics, 1971