Compensation of nonlinear distortions of light beams in a moving medium
Abstract
The efficiency of the compensation of the nonlinear distortions (thermal self-defocusing) of a light beam in a moving medium (e.g., the atmosphere) through control of beam inclination and focusing is investigated. The operation of an adaptive system is analyzed according to various criteria in the framework of a aberrationless description of light propagation: peak intensity, location of the beam center of gravity, and power received at the aperture. Regimes of focusing and inclination control are defined, and recommendation on increasing the speed of the technique are given. The use of flexible mirrors for the compensation is considered.
- Publication:
-
Fizika
- Pub Date:
- February 1985
- Bibcode:
- 1985Fiz....28...13K
- Keywords:
-
- Adaptive Optics;
- Light Beams;
- Nonlinear Optics;
- Thermal Blooming;
- Attitude (Inclination);
- Compensation;
- Mirrors;
- Wave Fronts;
- Lasers and Masers