Scattering theory of distortion correction by phase conjugation
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abstract
The correction of wave distortions by the technique of optical conjugation is examined first on the basis of a newly derived integral for scattering of monochromatic scalar waves in the presence of a phase-conjugate mirror. The solution is developed in an iterative series, and the first-and second-order terms are analyzed and illustrated diagrammatically. A generalization of the integral equation is then presented, which takes into account the electromagnetic nature of light. It is also shown that, if the conjugate wave is generated without loss or gains and with complete reversal of polarization, a total elimination of distortions may be achieved by this technique under circumstances that frequently occur in practice.
