Measurement of the magnitude and phase of (3) by means of a new phase conjugate interferometer
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abstract
A novel type of phase-conjugate interferometer utilizing two conjugate mirrors based on degenerate four-wave mixing is described. This interferometer has three outputs at each side. The interdependency of the three is such that alignment of any one results in the automatic alignment of the others. The instrument has been used (a) to measure the ratio of (3) of the two conjugate media, (b) to determine the relative phase shift between the conjugate signals, (c) to detect weak phase-conjugate signals, and (d) to measure the fidelity of the conjugation process. The procedure is described, and results for (3) are reported.