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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 9, Iss. 5 — Apr. 29, 2014

Blind deconvolution for spatial distribution of Kα emission from ultraintense laser-plasma interaction

Weihua He, Zongqing Zhao, Jian Wang, Bo Zhang, Feng Qian, Zuhua Yang, Min Shui, Feng Lu, Jian Teng, Leifeng Cao, and Yuqiu Gu  »View Author Affiliations

Optics Express, Vol. 22, Issue 5, pp. 5875-5882 (2014)

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The spatial distributions of the Kα emission from foil targets irradiated with ultra-intensity laser pulses have been studied using the x-ray coded imaging technique. Due to the effect of hard x-ray background contamination, noise as well as imperfection of imaging system, it is hard to determine the PSF analytically or measure it experimentally. Therefore, we propose a blind deconvolution method to restore both the spatial distributions of the Kα emission and the system's PSF from the coded images based on the maximum-likelihood scheme. Experimental restoration results from penumbral imaging and ring coded imaging demonstrated that both the structure integrity and the rich detail information can be well preserved.

© 2014 Optical Society of America

OCIS Codes
(140.7090) Lasers and laser optics : Ultrafast lasers
(300.2140) Spectroscopy : Emission
(340.7430) X-ray optics : X-ray coded apertures
(340.7440) X-ray optics : X-ray imaging
(100.1455) Image processing : Blind deconvolution

ToC Category:
Image Processing

Original Manuscript: December 5, 2013
Revised Manuscript: January 17, 2014
Manuscript Accepted: February 9, 2014
Published: March 6, 2014

Virtual Issues
Vol. 9, Iss. 5 Virtual Journal for Biomedical Optics

Weihua He, Zongqing Zhao, Jian Wang, Bo Zhang, Feng Qian, Zuhua Yang, Min Shui, Feng Lu, Jian Teng, Leifeng Cao, and Yuqiu Gu, "Blind deconvolution for spatial distribution of Kα emission from ultraintense laser-plasma interaction," Opt. Express 22, 5875-5882 (2014)

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