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15 June 1995 Dual aperture measurements of 2-km (round-trip) intensity and phase perturbations 1-μm laser speckle propagating through a turbulent atmosphere
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Abstract
The results of recent measurements of the intensity and phase fluctuations of one micron speckle propagating through a two kilometer (round-trip) turbulent path are presented. The data was collected at BMDO's Innovative Science and Technology Experimentation Facility (ISTEF) at the Kennedy Space Center in Florida using a dual-aperture Nd:YAG coherent array transceiver developed at CREOL. The dual-aperture measurement technique allowed for the discrimination of atmospheric turbulence induced phase perturbations from relative target/platform motion induced phase modulation, since the target motion produces common phase modulation in both receivers. The phase and intensity were found to be Gaussian and K- distributed respectively.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Philip Gatt, Thomas P. Costello, and Dhinakarraj H. Gantala "Dual aperture measurements of 2-km (round-trip) intensity and phase perturbations 1-μm laser speckle propagating through a turbulent atmosphere", Proc. SPIE 2471, Atmospheric Propagation and Remote Sensing IV, (15 June 1995); https://doi.org/10.1117/12.211961
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