Effects of Turbulence Instabilities on Laser Propagation
Abstract
The report reviews the contents of the three Quarterly Reports under the contract effort terminating on 8 June 1972. This discussion updates that work by comparing it with recent other work and new data. The basic results deal with the fluctuating properties of the focal area of a focused laser beam in turbulent air, viz., the average focal area for horizontal propagation, an extension of (1) to slant-path geometry, and the power spectrum of the focal- spot radius. The second part, self-contained, is a new theory of plane-wave irradiance scintillation. It contains the prediction that the log-amplitude variance is proportional to L to the minus 1/2 power ((C sub n) sub 2) to the minus 1/6 power in the saturation regime.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 01, 1972
- Accession Number
- AD0748809
Entities
People
- David A. De Wolf
Organizations
- Sarnoff Corporation