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September 14, 2025Physical Review LettersOpen Access

Optimal Diffractive Focusing of Matter and Light Waves

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Experimental demonstration highlights unique focusing properties of optical beams, indicating potential for various applications.

Optimal waves offer enhanced focusing without phase components, which can be useful for complex applications.
The study uniquely compares optimal focusing with traditional methods like Fresnel zones, revealing significant advantages.
Experiments using liquid crystal devices demonstrate effective focusing of light waves, paving the way for future advancements.
These findings suggest new pathways for wave focusing in areas where phase elements are difficult to utilize.

Efremov et al. (2025) studied this question.

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