Definition of microlens array

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microlens array: A microlens array is a grid-like structure composed of numerous small lenses, typically arranged in a regular pattern. Each individual lens in the array is referred to as a microlens. These microlenses are typically miniature in size, often on the scale of micrometers or millimeters.

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Microlens arrays serve various purposes in optics and imaging applications. They can be used to manipulate light by focusing, collimating, or diffusing it. They are commonly employed in devices such as cameras, projectors, displays, and optical sensors to enhance performance or achieve specific optical effects.

In imaging systems, microlens arrays can improve resolution, increase light gathering efficiency, reduce optical aberrations, and enable unique imaging techniques such as light field photography. In addition, they find applications in areas such as beam shaping, optical communications, and microscopy.

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