Real-Time Image Subtraction Using a Double-Phase Conjugate Mirror
NAVAL SURFACE WARFARE CENTER DAHLGREN DIV VA
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A method has been demonstrated by holographic interference in photorefractive media for real-time image subtraction requiring only a single pass through an aberrating medium. Image enhancement by passing the conjugate beam back through the aberration double pass has been previously demonstrated. For various applications, a single pass is required. The theory and experiments for double- and single-pass arrangements are presented.