Meta-Device for Field-of-View Tunability via Adaptive Optical Spatial Differentiation.

Optical edge detection is a crucial optical analog computing method in fundamental artificial intelligence, machine vision, and image recognition, owing to its advantages of parallel processing, high computing speed, and low energy consumption. Field-of-view-tunable edge detection is particularly significant for detecting a broader range of objects, enhancing both practicality and flexibility. In this work, a novel approach-adaptive optical spatial differentiation is proposed for field-of-view-tunable edge detection.

Metalenses phase characterization by multi-distance phase retrieval.

Metalens, characterized by their unique functions and distinctive physical properties, have gained significant attention for their potential applications. To further optimize the performance of metalens, it is necessary to characterize the phase modulation of the metalens. In this study, we present a multi-distance phase retrieval system based on optical field scanning and discuss its convergence and robustness.

Effects of Synthesis Conditions of NaMnO Precursor on the Electrochemical Performance of Reduced LiMnO Cathode Materials for Lithium-Ion Batteries.

LiMnO nanobelts have been synthesized via the molten salt method that used the NaMnO nanobelts as both the manganese source and precursor template in LiNO-LiCl eutectic molten salt. The electrochemical properties of LiMnO reduced via a low-temperature reduction process as cathode materials for lithium-ion batteries have been measured and compared. Particularly investigated in this work are the effects of the synthesis conditions, such as reaction temperature, molten salt contents, and reaction time on the morphology and particle size of the synthesized NaMnO precursor.