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. 2018 Aug 15;9:1109. doi: 10.3389/fphys.2018.01109

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Copyright © 2018 Prasad, Balukova and Pospíšil.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Schematic illustration of the experimental setup for detection of kinetics of ultra-weak photon emission (UPE) using PMT (A) and two-dimensional imaging of UPE using CCD camera (B).