Lubberts effect explained

The Lubberts effect is the non-uniform response of an imaging system to X-rays that are absorbed at different depths within the input phosphor. It indicates an input phosphor depth-dependent response of the imaging system. It is named^[1] for G. Lubberts, who published a report of it in 1968 while working at Kodak.^[2] The Lubberts effect is related to the Swank effect, which relates the signal-to-noise ratio of a scintillator-based imaging system to the amount of random variation in the strength of the emitted photons.^[3]

Notes and References

1. Howansky . Adrian . Lubinsky . A.R. . Suzuki . Katsuhiko . Ghose . S. . Zhao . Wei . An apparatus and method for directly measuring the depth‐dependent gain and spatial resolution of turbid scintillators . Medical Physics . October 2018 . 45 . 11 . 4927–4941 . 10.1002/mp.13177 . 30193407 . 6234053 . 2018MedPh..45.4927H .
2. G. . Lubberts . Random Noise Produced by X-Ray Fluorescent Screens . J. Opt. Soc. Am. . 58 . 11 . 1475–1482 . 1968 . 10.1364/JOSA.58.001475 . 1968JOSA...58.1475L .
3. Swank . Robert K. . Absorption and noise in x‐ray phosphors . Journal of Applied Physics . 1 September 1973 . 44 . 9 . 4199–4203 . 10.1063/1.1662918 . 1973JAP....44.4199S . 28 April 2022.