Waveguide-type solutions for light beams with nonlocal self-defocusing in the geometric-optics approximation
Abstract
An equation for the Wigner function in the form of a kinetic equation is derived from a quasi-optics equation with nonlocal nonlinearity in the geometric-optics approximation. The Korobkin-Sazonov (1981) method for obtaining exact solutions is extended to this equation. A model of the thermal self-defocusing of light in a medium at rest is considered as an example. For certain types of beams, exact solutions are found which describe the propagation of light beams without self-focusing.
- Publication:
-
Zhurnal Eksperimentalnoi i Teoreticheskoi Fiziki
- Pub Date:
- September 1982
- Bibcode:
- 1982ZhETF..83..916O
- Keywords:
-
- Defocusing;
- Geometrical Optics;
- Light Beams;
- Nonlinear Optics;
- Optical Waveguides;
- Thermal Blooming;
- Integral Equations;
- Kinetic Equations;
- Wigner Coefficient;
- Lasers and Masers