Real-time holographic deconvolution techniques for one-way image transmission through an aberrating medium: characterization, modeling, and measurements
Applied Optics, Vol. 45, Issue 14, pp. 3298-3306 (2006)
http://dx.doi.org/10.1364/AO.45.003298
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Abstract
We propose and demonstrate a new photorefractive real-time holographic deconvolution technique for adaptive one-way image transmission through aberrating media by means of four-wave mixing. In contrast with earlier methods, which typically required various codings of the exact phase or two-way image transmission for correcting phase distortion, our technique relies on one-way image transmission through the use of exact phase information. Our technique can simultaneously correct both amplitude and phase distortions. We include several forms of image degradation, various test cases, and experimental results. We characterize the performance as a function of the input beam ratios for four metrics: signal-to-noise ratio, normalized root-mean-square error, edge restoration, and peak-to-total energy ratio. In our characterization we use false-color graphic images to display the best beam-intensity ratio two-dimensional region(s) for each of these metrics. Test cases are simulated at the optimal values of the beam-intensity ratios. We demonstrate our results through both experiment and computer simulation.
© 2006 Optical Society of America
OCIS Codes
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(190.5330) Nonlinear optics : Photorefractive optics
History
Original Manuscript: July 19, 2005
Revised Manuscript: November 7, 2005
Manuscript Accepted: November 14, 2005
Citation
B. Haji-saeed, S. K. Sengupta, M. Testorf, W. Goodhue, J. Khoury, C. L. Woods, and J. Kierstead, "Real-time holographic deconvolution techniques for one-way image transmission through an aberrating medium: characterization, modeling, and measurements," Appl. Opt. 45, 3298-3306 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-14-3298
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