Tactical Considerations of Atmospheric Effects on Laser Propagation.
Abstract
Power spectral density estimates of Mie backscatter efficiency factors computed over a range of size parameters from 0.1 to 100 in increments of 0.1 for the refractive index of 1.33 are presented. The power spectral densities are interpreted in terms of geometrical rays. It is concluded that the backscattering is dominated by surface waves which can explain much of the low- and high-frequency Fourier terms. Important implications as applied to the problem of predicting atmospheric transmission and atmospheric false targets from backscattered laser energy are presented. Modification of the SRI Mark VI Lidar for the purpose of transmitting and receiving two-wavelength (0.53 and 1.06 micrometers) energy is described. As a preliminary step, recorded lidar signatures of the output from the two independent receivers in 1.06-micrometers configuration are compared.
Document Details
- Document Type
- Technical Report
- Publication Date
- Aug 01, 1968
- Accession Number
- ADA008269
Entities
People
- Edward E. Uthe
- Robert J. Allen
Organizations
- SRI International