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Title: Holographic contouring using double-source technique and Fourier transform analysis
Authors: Quan, C. 
Shang, H.M. 
Tay, C.J. 
Bryanston-Cross, P.J.
Issue Date: 1998
Citation: Quan, C.,Shang, H.M.,Tay, C.J.,Bryanston-Cross, P.J. (1998). Holographic contouring using double-source technique and Fourier transform analysis. Optics and Lasers in Engineering 30 (3-4) : 351-362. ScholarBank@NUS Repository.
Abstract: This paper describes a double-exposure holographic contouring technique by the movement of the object beam through fibre optics. Single-mode optic fibres are used to transfer both object and reference beams. Between two exposures the object illumination beam is displaced. The contouring fringes can be visualised on the object surfaces. The fringe patterns are automatically processed by the fast Fourier transform (FFT) method, which produces a 3D perspective plot. Examples are given for different objects.
Source Title: Optics and Lasers in Engineering
ISSN: 01438166
Appears in Collections:Staff Publications

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