Resolution enhancement in coherent x-ray diffraction imaging by overcoming instrumental noise
SCIE
SCOPUS
- Title
- Resolution enhancement in coherent x-ray diffraction imaging by overcoming instrumental noise
- Authors
- Kim, C; Kim, Y; Song, CY; Kim, SS; Kim, S; Kang, HC; Hwu, YK; Tsuei, KD; Liang, KS; Noh, DY
- Date Issued
- 2014-11-17
- Publisher
- Optical Society of America
- Abstract
- We report that reference objects, strong scatterers neighboring weak phase objects, enhance the phase retrieval and spatial resolution in coherent x-ray diffraction imaging (CDI). A CDI experiment with Au nano-particles exhibited that the reference objects amplified the signal-to-noise ratio in the diffraction intensity at large diffraction angles, which significantly enhanced the image resolution. The interference between the diffracted x-ray from reference objects and a specimen also improved the retrieval of the phase of the diffraction signal. The enhancement was applied to image NiO nano-particles and a mitochondrion and confirmed in a simulation with a bacteria phantom. We expect that the proposed method will be of great help in imaging weakly scattering soft matters using coherent x-ray sources including x-ray free electron lasers. (C) 2014 Optical Society of America
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/26698
- DOI
- 10.1364/OE.22.029161
- ISSN
- 1094-4087
- Article Type
- Article
- Citation
- OPTICS EXPRESS, vol. 22, no. 23, page. 29161 - 29169, 2014-11-17
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- There are no files associated with this item.
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