N.  Krah, Testa, M., Brons, S., Jäkel, O., Parodi, K., Voss, B., and Rinaldi, I., ?An advanced image processing method to improve the spatial resolution of ion radiographies?, Physics in Medicine and Biology, vol. 60, p. 8525, 2015.

F.  Friedl, Krah, N., and Jähne, B., ?Optical sensing of oxygen using a modified Stern-Volmer equation for high laser irradiance?, Sensors and Actuators B: Chemical, vol. 206, p. 336--342, 2015.

F.  Friedl, Krah, N., and Jähne, B., ?Optical sensing of oxygen using a modified Stern-Volmer equation for high laser irradiance?, Sensors and Actuators B: Chemical, vol. 206, pp. 336?342, 2015.

C.  Kräuter, Trofimova, D., Kiefhaber, D., Krah, N., and Jähne, B., ?High resolution 2-D fluorescence imaging of the mass boundary layer thickness at free water surfaces?, J. Europ. Opt. Soc. Rap. Public., vol. 9, p. 14016, 2014.

N.  Krah, ?Visualization of air and water-sided concentration profiles in laboratory gas exchange experiments?, vol. Dissertation. Institut für Umweltphysik, Fakultät für Physik und Astronomie, Univ.\ Heidelberg, 2014.