Turbulence influence on focused laser beam propagation in the stratosphere
- Russian Academy of Sciences, Tomsk (Russian Federation). Inst. of Atmospheric Optics of SB
The work is dedicated to study of turbulent distortions of focused laser beams propagating along high-altitude paths when both source and target are located at certain height in the middle atmosphere. The analysis was carried out for the model of refractive index spatial spectrum providing for anisotropy of turbulence, because there are anisotropic inhomogeneities of large sizes in the shape of disks extended along the Earth`s surface in the stratosphere. A long exposure mean intensity distribution as well as a random wandering of laser beam are investigated depending on turbulence and geometry of propagation in the middle atmosphere. It is shown that the large anisotropic inhomogeneities of refractive index give the major contribution into vertical random wandering of a beam. As a result a long exposure distribution of mean intensity becomes anisotropic.
- OSTI ID:
- 231065
- Report Number(s):
- CONF-940449-; ISBN 0-8194-1526-X; TRN: IM9623%%375
- Resource Relation:
- Conference: Society of Photo-Optical Instrumentation Engineers conference on intelligent information systems, Orlando, FL (United States), 4-8 Apr 1994; Other Information: PBD: 1994; Related Information: Is Part Of Atmospheric propagation and remote sensing 3; Flood, W.A.; Miller, W.B. [eds.]; PB: 947 p.; Proceedings/SPIE, Volume 2222
- Country of Publication:
- United States
- Language:
- English
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