@article{3148430, title = "A light intensity measuring system for sedimentation measurements on KM3NeT optical modules", author = "Anassontzis, E. G. and Belias, A. and Fotiou, A. and Koutsoukos, S. and and Markopoulos, E. and Psallidas, A. and Resvanis, L. K. and Stavropoulos, and G.", journal = "NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT", year = "2014", volume = "626", number = "S", pages = "S111-S114", publisher = "ELSEVIER SCIENCE BV", doi = "10.1016/j.nima.2010.06.239", keywords = "Neutrinos; KM3NeT", abstract = "To measure variations of zenith dependence of sedimentation/bio-fouling on the optical modules (OMs) as considered by the KM3NeT consortium in the deep sea, we have used a grid of photodiodes distributed inside the glass sphere to measure the light intensity of two light sources located outside the glass sphere on a fixed position. The method is described and the data collected during the last three years in depths from 3100 m down to 5100 m, in the southeast Ionian sea, at sites near Pylos, Peloponnese, Greece, are discussed. (c) 2010 Elsevier B.V. All rights reserved." }