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Some features of temporal ghost imaging with classical light
KTH, School of Information and Communication Technology (ICT), Optics and Photonics (Closed 20120101). Aalto University, Espoo, Finland .
2010 (English)In: 2010 9th Euro-American Workshop on Information Optics, WIO 2010, 2010, 5582506- p.Conference paper (Refereed)
Abstract [en]

Temporal ghost imaging with classical pulsed light is described as a temporal counterpart of conventional ghost imaging with thermal light. A temporal object to be imaged is located in the test arm while the reference arm consists of some simple temporal optical elements. The incident light is assumed to be temporally incoherent, classical pulsed light.We first show that the correlation between intensity fluctuations in these two arms is given by a fractional Fourier transform of the temporal object. In special cases, the fractional Fourier transform reduces to the ordinary Fourier transform and the image of the object. We then derive explicit expressions for the resultant ghost image under two different conditions, with a view to examining the effect of the incident pulse. As a result, it is found that the resultant temporal ghost image depends only on the single temporal variable in the reference arm though the light in this arm never interacts with the object, and that it is generally distorted by the effect of the incident pulse.

Place, publisher, year, edition, pages
2010. 5582506- p.
Keyword [en]
Explicit expressions, Fractional Fourier transforms, Ghost image, Ghost imaging, Incident light, Incident pulse, Intensity fluctuations, Optical elements, Pulsed light, Temporal objects, Thermal light, Light, Optics, Fourier transforms
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Other Physics Topics
URN: urn:nbn:se:kth:diva-149707DOI: 10.1109/WIO.2010.5582506ScopusID: 2-s2.0-78149449360ISBN: 978-142448227-6OAI: diva2:741210
2010 9th Euro-American Workshop on Information Optics, WIO 2010, 12 July 2010 through 16 July 2010, Helsinki, Finland

QC 20140827

Available from: 2014-08-27 Created: 2014-08-26 Last updated: 2014-08-27Bibliographically approved

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Friberg, Ari T.
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Optics and Photonics (Closed 20120101)
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