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On focal shift and phase Fresnel lens

✍ Scribed by G. A. Lenkova

Book ID
110176615
Publisher
SP MAIK Nauka/Interperiodica
Year
2011
Tongue
English
Weight
366 KB
Volume
111
Category
Article
ISSN
0030-400X

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✍ C.J. Tay; M. Thakur; L. Chen; C. Shakher πŸ“‚ Article πŸ“… 2005 πŸ› Elsevier Science 🌐 English βš– 290 KB

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