Abstract
We propose a method for auto-optimized compensation of pixel alignment and overall curvature in digital optical phase conjugation system named AOC-DOPC system. The theory of the AOC-DOPC system is described, and the optimized compensation capability of AOC-DOPC system is verified experimentally in the situation of system instability, overall curvature and pixel match misalignment. With the proposed system, the compensation effect is improved, the size and shape of the focus are more similar to the target pattern. Compared with the DOPC, the PIB curve showed a decrease from 0.162 to 0.007 of area ratio of 50% energy with AOC-DOPC compensation, which is about 16 times relative to the DOPC compensation. Besides, the correlation coefficient (R) increases from 0.0465 to 0.7743, which shows 3.4 times of improvement of compensation effect.
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