2 papers
physics.optics2025
Thermal Cesium Release in PMTs Revealed by Resonant Laser Spectroscopy and Its Correlation with Quantum Efficiency
Antonio De Benedittis, Pasquale Migliozzi, Carlos Maximiliano Mollo +1
We report optical evidence of cesium (Cs) evaporation from a bialkali (SbKCs) photo-cathode during controlled heating of a photomultiplier tube (PMT). A DFB laser scanned across th…
physics.ins-det2025
Light exposure and temperature effects on quantum efficiency of bialkali metal photomultipier tubes
Antonio De Benedittis, Pasquale Migliozzi, Carlos Maximiliano Mollo +2
In astroparticle experiments, photomultiplier tubes are crucial for detecting Cherenkov radiation emitted by charged particles, owing to their exceptional sensitivity to low-intens…