An analysis of side readouts of monolithic scintillation crystals

Xin Li; Lars R. Furenlid

doi:10.1117/12.2243100

3 October 2016 An analysis of side readouts of monolithic scintillation crystals

Xin Li, Lars R. Furenlid

Proceedings Volume 9969, Radiation Detectors: Systems and Applications XVII; 996908 (2016) https://doi.org/10.1117/12.2243100
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

We have explored a method of using the side surfaces of a thin monolithic scintillation crystal for reading out scintillation photons. A Monte-Carlo simulation was carried out for an LYSO crystal of 50:8mmx50:8mmx3mm with 5 silicon photomultipliers attached on each of the four side surfaces. With 511 keV gamma-rays, X-Y spatial resolution of 2:10mm was predicted with an energy resolution of 9:0%. We also explored adding optical barriers to improve the X-Y spatial resolution, and an X-Y spatial resolution of 786um was predicted with an energy resolution of 9:2%. Multiple layers can be stacked together and readout channels can be combined. Depth-of- interaction information (DOI) can be directly read out. This method provides an attractive detector module design for positron emission tomography (PET).

Citation Download Citation

Xin Li and Lars R. Furenlid "An analysis of side readouts of monolithic scintillation crystals", Proc. SPIE 9969, Radiation Detectors: Systems and Applications XVII, 996908 (3 October 2016); https://doi.org/10.1117/12.2243100

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