Abstract
Abstract Holography is a technique to record and reconstruct three dimensional (3D) information without mandating lenses. Digital holography (DH) provides direct access to the complex amplitude of the reconstructed wavefront. This feature differentiates DH from other imaging techniques and enables it to provide quantitative information of the object under investigation. Advancements in technologies of digital image sensors, coherent sources, and computation algorithms and hardware, has paved the way of digital holographic systems for industrial applications. This work presents an overview of the scientific and industrial applications where DH can play an important role. Few of the applications of digital holographic systems in the industrial and scientific areas including microscopy, non-destructive testing, displays, environment, cloud and ocean studies are discussed.
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