Effect of shot noise on X-ray speckle visibility spectroscopy

Ichiro Inoue; Yuya Shinohara; Akira Watanabe; Yoshiyuki Amemiya

doi:10.1364/OE.20.026878

Effect of shot noise on X-ray speckle visibility spectroscopy

Ichiro Inoue, Yuya Shinohara, Akira Watanabe, Yoshiyuki Amemiya

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

X-ray speckle visibility spectroscopy (XSVS) is a method for studying dynamics in disordered systems. This method was originally developed in the visible-light region, in which an intense laser can be used. When applied in the X-ray region, where the number of photons is much smaller than in the visible-light region, it suffers from photon statistics. In this paper, we quantitatively discuss the effect of photon shot noise on XSVS analyses. The effect is experimentally confirmed using sequential speckle patterns from Brownian polystyrene nanospheres in glycerol.

Original language	English
Pages (from-to)	26878-26887
Number of pages	10
Journal	Optics Express
Volume	20
Issue number	24
DOIs	https://doi.org/10.1364/OE.20.026878
State	Published - Nov 19 2012
Externally published	Yes

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title = "Effect of shot noise on X-ray speckle visibility spectroscopy",

abstract = "X-ray speckle visibility spectroscopy (XSVS) is a method for studying dynamics in disordered systems. This method was originally developed in the visible-light region, in which an intense laser can be used. When applied in the X-ray region, where the number of photons is much smaller than in the visible-light region, it suffers from photon statistics. In this paper, we quantitatively discuss the effect of photon shot noise on XSVS analyses. The effect is experimentally confirmed using sequential speckle patterns from Brownian polystyrene nanospheres in glycerol.",

author = "Ichiro Inoue and Yuya Shinohara and Akira Watanabe and Yoshiyuki Amemiya",

year = "2012",

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AU - Shinohara, Yuya

AU - Watanabe, Akira

AU - Amemiya, Yoshiyuki

PY - 2012/11/19

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N2 - X-ray speckle visibility spectroscopy (XSVS) is a method for studying dynamics in disordered systems. This method was originally developed in the visible-light region, in which an intense laser can be used. When applied in the X-ray region, where the number of photons is much smaller than in the visible-light region, it suffers from photon statistics. In this paper, we quantitatively discuss the effect of photon shot noise on XSVS analyses. The effect is experimentally confirmed using sequential speckle patterns from Brownian polystyrene nanospheres in glycerol.

AB - X-ray speckle visibility spectroscopy (XSVS) is a method for studying dynamics in disordered systems. This method was originally developed in the visible-light region, in which an intense laser can be used. When applied in the X-ray region, where the number of photons is much smaller than in the visible-light region, it suffers from photon statistics. In this paper, we quantitatively discuss the effect of photon shot noise on XSVS analyses. The effect is experimentally confirmed using sequential speckle patterns from Brownian polystyrene nanospheres in glycerol.

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Effect of shot noise on X-ray speckle visibility spectroscopy

Abstract

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