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Autocorrelation-subtracted Fourier transform holography method for large specimen imaging

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Title
Autocorrelation-subtracted Fourier transform holography method for large specimen imaging
Author(s)
Kyoung Hwan Lee; Hyeok Yun; Jae Hee Sung; Seong Ku Lee; Hwang Woon Lee; Hyung Taek Kim; Chang Hee Nam
Publication Date
2015-02
Journal
APPLIED PHYSICS LETTERS, v.106, no.6, pp.061103 -
Publisher
AMER INST PHYSICS
Abstract
We developed a variation of Fourier transform holography (FTH) method to record larger objects than those tolerable in conventional FTH. This method eliminates the separation condition of FTH by removing the autocorrelation signal, thus allowing three-fold larger specimens than those previously used in FTH under the same illumination conditions. We experimentally demonstrated this FTH variation, using a table-top Ag X-ray laser at 13.9 nm, with a sample violating the separation constraint. The portion of the object image hidden behind its autocorrelation in the FTH image was recovered by subtracting an independently measured autocorrelation signal of the object
URI
http://pr.ibs.re.kr/handle/8788114/1429
DOI
10.1063/1.4907641
ISSN
0003-6951
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
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