Kun Xie, Wenguang Liu, Qiong Zhou, Zongfu Jiang, Fengjie Xi, Xiaojun Xu. Real-time phase measurement and correction of dynamic multimode beam using a single spatial light modulator[J]. Chinese Optics Letters, 2020, 18(1): 011404
- Chinese Optics Letters
- Vol. 18, Issue 1, 011404 (2020)
Fig. 1. Experiment setup for the proposed MD and phase correction system.
Fig. 2. Simulated diffraction pattern of an FM beam (the intensity in the red circular area is reduced by a factor of 1000 to avoid saturation).
Fig. 3. Workflow of the adaptive correction algorithm. P.A., pre-aberration phase; C.P., correction phase.
Fig. 4. Original and corrected far-field intensity profiles captured by Camera 3 for five exemplar experiments.
Fig. 5. Time variation of modal weights.
Fig. 6. Time evolution of far-field intensity PIB values.
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