The University of Tokyo · Physics and Astronomy
Professor L. Oláh's research lab specializes in cosmic muon-based imaging and geophysical exploration, focusing on the development of advanced muon detection technologies for non-invasive subsurface imaging. The lab pioneers the application of muography to study the internal structures of active volcanoes, underground cavities, and geological inhomogeneities with high precision. Key research directions include the design of portable, robust muon telescopes using closed cathode chamber (CCC) technology for field applications in extreme environments. The lab also advances muon tomography systems for real-time monitoring of volcanic activity and subsurface density variations.
Figures are computed from collected data and may differ slightly.
Muography is a novel method to highly resolve the internal structure of active volcanoes by taking advantage of the cosmic muon's strong penetration power. In this paper, we present the first high-definition image in the vicinity of craters of an erupting volcano called Sakurajima, Kyushu, Japan. The muography observation system based on the technique of multi-wire proportional chamber (mMOS) has been operated reliably during the data taking period of 157 days. The mMOS measured precisely the fl
Abstract. A portable cosmic muon detector has been developed for geophysical applications: searching for large scale underground rock/soil inhomogeneities and underground cavities. The designed muon telescope called a muon tomograph is based on the recently developed closed cathode chamber (CCC) technology, which provides a cheap, easy handling, portable, and power efficient detector system able to work even in extreme conditions (e.g. high humidity, low/high temperature). The muon telescope has
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