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|Title:||The one-step phase-shifting technique for wave-front interferometry||Authors:||Ng, T.W.||Issue Date:||Oct-1996||Citation:||Ng, T.W. (1996-10). The one-step phase-shifting technique for wave-front interferometry. Journal of Modern Optics 43 (10) : 2129-2138. ScholarBank@NUS Repository.||Abstract:||Hitherto, phase-shifting schemes in wave-front interferometry required a minimum of two precise phase steps in order to derive the phase. This paper outlines and demonstrates a novel technique entailing one precise phase step. Numerical analyses of phase-drift errors indicate that the proposed technique compares favourably with performances of the three- and four-bucket algorithms currently in use. Furthermore, it minimizes the period of computation by necessitating the use of three processing frames.||Source Title:||Journal of Modern Optics||URI:||http://scholarbank.nus.edu.sg/handle/10635/58807||ISSN:||09500340|
|Appears in Collections:||Staff Publications|
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