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|Title:||Measurement of focal length of lens using phase shifting Lau phase interferometry|
|Authors:||Tay, C.J. |
Lau phase interferometry
|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|
|Appears in Collections:||Staff Publications|
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