Diffractive Optics studies optical components that manipulate light through diffraction rather than refraction or reflection. Diffractive optical elements use micro- or nano-scale patterns to shape wavefronts. These elements can perform complex optical functions such as beam shaping, focusing, and spectral separation. Diffractive optics allows compact, lightweight, and highly precise optical designs. Applications include imaging systems, laser beam shaping, and optical data processing. Diffractive elements are widely used in spectroscopy and telecommunications. Advances in microfabrication have enabled high-efficiency diffractive components. Diffractive optics plays a key role in modern optical engineering by offering flexible and scalable alternatives to traditional optical elements.
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