Measurements of Gaussian Speckle Statistics Using Both Direct and Heterodyne Detection of CO 2 Laser Radiation
- 1 April 1983
- journal article
- research article
- Published by Taylor & Francis in Optica Acta: International Journal of Optics
- Vol. 30 (4) , 417-423
- https://doi.org/10.1080/713821216
Abstract
The characteristics of speckle patterns produced using scattered 10·6 μm CO2 laser radiation are described. At this wavelength, heterodyne detection offers significant experimental advantages over direct detection of sensitivity and reduced contrast. As a simple illustration of heterodyne speckle techniques the heterodyne signals received from radiation scattered from a deep random phase screen are confirmed experimentally to follow a Rayleigh distribution.Keywords
This publication has 6 references indexed in Scilit:
- Correlation function dependence of the scintillation behind a deep random phase screenJournal of Physics A: General Physics, 1977
- Optical homodyne detectionAdvances in Physics, 1975
- Photon CorrelationPublished by Springer Nature ,1974
- The statistics of heterodyne detection of gaussian lightPhysics Letters A, 1971
- The effects of spatial coherence on intensity fluctuation distributions of Gaussian lightJournal of Physics A: General Physics, 1970
- Statistics of heterodyction of Gaussian lightJournal of Physics A: General Physics, 1968