Ghost imaging schemes: fast and broadband

Details Ghost imaging schemes: fast and broadband Ghost imaging schemes: fast and broadband

2004-09-30

arxiv.org/abs/quant-ph/0409215v2

Opt. Express 12, 6067-6081 (2004), http://www.opticsexpress.org/abstract.cfm?URI=OPEX-12-24-6067

Physics

Quantum Physics

15 pages, published in Optics Express. Figures in online version miss some information in axes labels, therefore we have updat

Scientific paper

10.1364/OPEX.12.006067

In ghost imaging schemes information about an object is extracted by measuring the correlation between a beam that passed the object and a reference beam. We present a spatial averaging technique that substantially improves the imaging bandwidth of such schemes, which implies that information about high-frequency Fourier components can be observed in the reconstructed diffraction pattern. In the many-photon regime the averaging can be done in parallel and we show that this leads to a much faster convergence of the correlations. We also consider the reconstruction of the object image, and discuss the differences between a pixel-like detector and a bucket detector in the object arm. Finally, it is shown how to non-locally make spatial filtering of a reconstructed image. The results are presented using entangled beams created by parametric down-conversion, but they are general and can be extended also to the important case of using classically correlated thermal-like beams.

Affiliated with

Also associated with

No associations

Rating

Ghost imaging schemes: fast and broadband does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Ghost imaging schemes: fast and broadband, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ghost imaging schemes: fast and broadband will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-593740