@inproceedings{9f79e52ce300477eb1b2edc3025bd2b0,
title = "Development of a detector with two photo-strip sensors and a crystal scintillator between sensors",
abstract = "We fabricate single-sided strip sensors that are sensitive to light. The strip sensors are AC-coupled, which has coupling capacitors and bias resistors. The sensors are fabricated on a high resistivity and double-sided polished n-type silicon wafer. The sensor is designed as the single-side strip sensor but its backside (n-side) is modified to be sensitive to incoming light. This photo-strip sensor is designed to measure positions of incoming gamma ray and alpha particle. The photo-strip detector consists of two photo-strip sensors and one crystal scintillator. The sensors sandwiching opposite faces of a scintillator are oriented orthogonally to each other to provide two-dimensional position information. When particles enter a crystal, the scintillator light of a crystal is emitted and penetrates into the photo-strip sensors. The lights are then converted to electron-hole pairs in the sensors. The detector configuration provides not only two-dimensional position information, but also the depth of interaction (DOI). The DOI is given by comparing signal-to-noise ratio between the first and second photo-strip sensors. The fabricated sensors are electrically tested by varying bias voltages. The pulse heights of the detector are measured by using Am-241 alpha, Na-22 and Cs-137 gamma ray sources. The position information is obtained with one photo-strip sensor and the LYSO crystal scintillator by using Am-241 alpha source. An experiment to obtain two-dimensional position information with two photo-strip sensors and a scintillator crystal is on going.",
author = "Bae, {J. B.} and Hyun, {H. J.} and Kah, {D. H.} and Kim, {H. J.} and Kim, {H. O.} and H. Park",
year = "2011",
doi = "10.1109/NSSMIC.2011.6154595",
language = "English",
isbn = "9781467301183",
series = "IEEE Nuclear Science Symposium Conference Record",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
pages = "1167--1170",
booktitle = "2011 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2011",
address = "United States",
note = "2011 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2011 ; Conference date: 23-10-2011 Through 29-10-2011",
}