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Novel linear phase conjugation atmospheric turbulence compensation concept based upon real-time interactive media sampling holography for target-in-the-loop

BAE Systems reports on a concept utilizing a holographic approach to linear phase conjugation to compensate for atmospheric induced aberrations that severely limit laser performance. In an effort to improve beam quality, fine aimpoint control, and energy delivered to the target, BAE Systems has developed a novel aberration compensation technique. This technique, Holographic Adaptive Tracking (HAT), utilizes a Spatial Light Modulator as a dynamic wavefront reversing element to undo aberrations induced by the atmosphere, platform motion, or both. BAE Systems aberration compensation technique results in a high fidelity, near-diffraction limited laser beam delivered to the target.