Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.optcom.2004.12.036
Title: Measurement of focal length of lens using phase shifting Lau phase interferometry
Authors: Tay, C.J. 
Thakur, M. 
Chen, L.
Shakher, C.
Keywords: Focal length
Lau phase interferometry
Phase shifting
Issue Date: 15-Apr-2005
Citation: Tay, C.J., Thakur, M., Chen, L., Shakher, C. (2005-04-15). Measurement of focal length of lens using phase shifting Lau phase interferometry. Optics Communications 248 (4-6) : 339-345. ScholarBank@NUS Repository. https://doi.org/10.1016/j.optcom.2004.12.036
Abstract: In this paper, we proposed a phase shifting Lau phase interferometry for the measurement of the focal length of a lens. The fundamentals of this application are discussed and the basis of the phase map interpretation is outlined. A three step phase-shifting algorithm is used to depict the phase maps of a lens-like test object and an application for measuring the focal length of a lens is reported. A phase map obtained with a coherent light source is also shown and the merits of using incoherent light over coherent light source are also discussed. Experimental results are presented. © 2004 Elsevier B.V. All rights reserved.
Source Title: Optics Communications
URI: http://scholarbank.nus.edu.sg/handle/10635/60696
ISSN: 00304018
DOI: 10.1016/j.optcom.2004.12.036
Appears in Collections:Staff Publications

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