Abstract
We describe a technique for image formation through inhomogeneities that, while having some parallels to phase conjugation, is essentially different. It is at once complementary to, and compatible with, phase conjugation. Typically, in the phase conjugation technique, a coherent beam of light carrying information about an object is combined with a noninformation-bearing beam in a nonlinear material, and a new wave, conjugate to the object bearing beam, is generated and passed a second time through the inhomogeneity.1
© 1988 Optical Society of America
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