Digital Holographic Interferometry

Author: Schedin, Staffan

Source: Journal of Holography and Speckle, Volume 3, Number 1, June 2006 , pp. 1-17(17)

Publisher: American Scientific Publishers

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Abstract:

The principles of digital hologram recording, numerical reconstruction and phase evaluation for interferometry applications are described in this review article. Theoretical aspects and practical considerations of hologram recording using a low-resolution device, e.g., a CCD-sensor, are discussed. Examples of recent measurements, like deformation of solid objects and variation of refractive index in transparent media, demonstrate the application of digital holographic interferometry as a tool for high-precision quantitative measurements in mechanics and acoustics.

Keywords: HOLOGRAPHIC INTERFEROMETRY; DIGITAL HOLOGRAPHY; PHASE MEASUREMENT; NONDESTRUCTIVE TESTING

Document Type: Review article

DOI: 10.1166/jhs.2006.001

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