Dynamic measurement by digital holographic interferometry based on complex phasor method

Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.optlastec.2008.05.005

Title:	Dynamic measurement by digital holographic interferometry based on complex phasor method
Authors:	Tay, C.J. Quan, C. Chen, W.
Keywords:	Complex phasor Digital holographic interferometry Dynamic measurement
Issue Date:	Mar-2009
Citation:	Tay, C.J., Quan, C., Chen, W. (2009-03). Dynamic measurement by digital holographic interferometry based on complex phasor method. Optics and Laser Technology 41 (2) : 172-180. ScholarBank@NUS Repository. https://doi.org/10.1016/j.optlastec.2008.05.005
Abstract:	In this paper, complex phasor (CP) method is employed in digital holographic interferometry. Unlike commonly used digital phase subtraction (DPS), the proposed technique processes a CP instead of phase. It is shown that the results obtained by directly filtering the phase produce large errors. It is demonstrated that the phase is not a signal but rather a property of a signal. In addition, the results obtained by the CP method are also compared with those obtained by conventional sine/cosine transformation method. © 2008 Elsevier Ltd. All rights reserved.
Source Title:	Optics and Laser Technology
URI:	http://scholarbank.nus.edu.sg/handle/10635/60006
ISSN:	00303992
DOI:	10.1016/j.optlastec.2008.05.005
Appears in Collections:	Staff Publications

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