title: A new linear transfer theory and characterization method for image detectors. Part II: experiment.
abstract: A novel generalized linear transfer theory describing the signal and noise transfer in image detectors has been developed in Part I (Niermann, this issue, [1]) of this paper. Similar to the existing notion of a point spread function (PSF) describing the transfer of the first statistical moment (the average), a noise spread function (NSF) was introduced to characterize the spatially resolved transfer of noise (central second moment, covariance). Following the theoretic results developed in Part I (Niermann, this issue, [1]), a new experimental method based on single spot illumination has been developed and applied to measure 2D point and 4D noise spread functions of CCD cameras used in TEM. A dedicated oversampling method has been used to suppress aliasing in the measured quantities. We analyze the 4D noise spread with respect to electronic and photonic noise contributions.
authors.affiliation: CEMES-CNRS 29, rue Jeanne Marvig B.P. 94347 F-31055 Toulouse Cedex, France. Axel.Lubk@triebenberg.de
authors.forename: Axel
authors.initials: A
authors.lastname: Lubk
authors.forename: Falk
authors.initials: F
authors.lastname: Röder
authors.forename: Tore
authors.initials: T
authors.lastname: Niermann
authors.forename: Christophe
authors.initials: C
authors.lastname: Gatel
authors.forename: Sebastien
authors.initials: S
authors.lastname: Joulie
authors.forename: Florent
authors.initials: F
authors.lastname: Houdellier
authors.forename: César
authors.initials: C
authors.lastname: Magén
authors.forename: Martin J
authors.initials: MJ
authors.lastname: Hÿtch