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Gopinathan, Unnikrishnan, Situ, Guohai, Naughton, Thomas J. and Sheridan, John T. (2008) Noninterferometric phase retrieval using a fractional Fourier system. Journal of the Optical Society of America A, 25 (1). pp. 108-115. ISSN 1084-7529
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Abstract
The signal extraction method based on intensity measurements in two close fractional Fourier domains is examined by using the phase space formalism. The fractional order separation has a lower bound and an upper bound that depend on the signal at hand and the noise in the optical system used for measurement. On the basis of a theoretical analysis, it is shown that for a given optical system a judicious choice of fractional order separation requires some a priori knowledge of the signal bandwidth. We also present some experimental results in support of the analysis.
| Item Type: | Article |
|---|---|
| Keywords: | Noninterferometric phase retrieval; fractional Fourier system; |
| Academic Unit: | Faculty of Science and Engineering > Computer Science |
| Item ID: | 8631 |
| Identification Number: | 10.1364/JOSAA.25.000108 |
| Depositing User: | Thomas Naughton |
| Date Deposited: | 17 Aug 2017 15:33 |
| Journal or Publication Title: | Journal of the Optical Society of America A |
| Publisher: | Optical Society of America |
| Refereed: | Yes |
| Funders: | Enterprise Ireland, Science Foundation Ireland, Irish Research Council for Science Engineering and Technology (IRCSET) |
| Related URLs: | |
| Use Licence: | This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here |
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