Four-layer DOI detector with a relative offset in animal PET system

Mikiko Ito; Seong Jong Hong; Jae Sung Lee; Sun Il Kwon; Geon Song Lee; Kwang Suk Park; Byungsik Hong; Kyong Sei Lee; Seok Jae Lee; June Tak Rhee; Kwang Souk Sim

doi:10.1109/NSSMIC.2007.4437066

Four-layer DOI detector with a relative offset in animal PET system

Mikiko Ito, Seong Jong Hong, Jae Sung Lee, Sun Il Kwon, Geon Song Lee, Kwang Suk Park, Byungsik Hong, Kyong Sei Lee, Seok Jae Lee, June Tak Rhee, Kwang Souk Sim

Department of Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

Abstract

In order to build an animal PET system with high sensitivity and resolution, we propose a four-layer PET system which provides the DOI (depth of interaction) information. Each crystal layer has a relative offset of half the crystal pitch with each other and uses an identical type of crystals simplifying readout electronics. The proposed system PET system consists of four LYSO (Lu_1.8Y_0.2SiO₅=Ce) or L_0.9GSO (Lu_1.8Gd_0.2SiO₄:Ce) crystal layers with a crystal dimension of 1.5×1.5×5.0 mm³. The animal PET system has a diameter of 84 mm with one Hamamatsu H9500 flat panel PMT ring, and can be upgraded to two PMT ring configuration. An estimated efficiency using GATE simulation is ∼15% at the center of one detector ring system. We present flood images obtained with a ²²Na radiation source to verify the concepts of the proposed system, and obtained promising results.

Original language	English
Title of host publication	2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC
Pages	4296-4299
Number of pages	4
DOIs	https://doi.org/10.1109/NSSMIC.2007.4437066
Publication status	Published - 2007
Event	2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC - Honolulu, HI, United States Duration: 2007 Oct 27 → 2007 Nov 3

Publication series

Name	IEEE Nuclear Science Symposium Conference Record
Volume	6
ISSN (Print)	1095-7863

Other

Other	2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC
Country	United States
City	Honolulu, HI
Period	07/10/27 → 07/11/3

ASJC Scopus subject areas

Radiation
Nuclear and High Energy Physics
Radiology Nuclear Medicine and imaging

Access to Document

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Ito, M., Hong, S. J., Lee, J. S., Kwon, S. I., Lee, G. S., Park, K. S., Hong, B., Lee, K. S., Lee, S. J., Rhee, J. T., & Sim, K. S. (2007). Four-layer DOI detector with a relative offset in animal PET system. In 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC (pp. 4296-4299). [4437066] (IEEE Nuclear Science Symposium Conference Record; Vol. 6). https://doi.org/10.1109/NSSMIC.2007.4437066

Four-layer DOI detector with a relative offset in animal PET system. / Ito, Mikiko; Hong, Seong Jong; Lee, Jae Sung; Kwon, Sun Il; Lee, Geon Song; Park, Kwang Suk; Hong, Byungsik; Lee, Kyong Sei; Lee, Seok Jae; Rhee, June Tak; Sim, Kwang Souk.

2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC. 2007. p. 4296-4299 4437066 (IEEE Nuclear Science Symposium Conference Record; Vol. 6).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Ito, M, Hong, SJ, Lee, JS, Kwon, SI, Lee, GS, Park, KS, Hong, B, Lee, KS, Lee, SJ, Rhee, JT & Sim, KS 2007, Four-layer DOI detector with a relative offset in animal PET system. in 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC., 4437066, IEEE Nuclear Science Symposium Conference Record, vol. 6, pp. 4296-4299, 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC, Honolulu, HI, United States, 07/10/27. https://doi.org/10.1109/NSSMIC.2007.4437066

Ito, Mikiko ; Hong, Seong Jong ; Lee, Jae Sung ; Kwon, Sun Il ; Lee, Geon Song ; Park, Kwang Suk ; Hong, Byungsik ; Lee, Kyong Sei ; Lee, Seok Jae ; Rhee, June Tak ; Sim, Kwang Souk. / Four-layer DOI detector with a relative offset in animal PET system. 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC. 2007. pp. 4296-4299 (IEEE Nuclear Science Symposium Conference Record).

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abstract = "In order to build an animal PET system with high sensitivity and resolution, we propose a four-layer PET system which provides the DOI (depth of interaction) information. Each crystal layer has a relative offset of half the crystal pitch with each other and uses an identical type of crystals simplifying readout electronics. The proposed system PET system consists of four LYSO (Lu1.8Y0.2SiO5=Ce) or L0.9GSO (Lu1.8Gd0.2SiO4:Ce) crystal layers with a crystal dimension of 1.5×1.5×5.0 mm3. The animal PET system has a diameter of 84 mm with one Hamamatsu H9500 flat panel PMT ring, and can be upgraded to two PMT ring configuration. An estimated efficiency using GATE simulation is ∼15% at the center of one detector ring system. We present flood images obtained with a 22Na radiation source to verify the concepts of the proposed system, and obtained promising results.",

author = "Mikiko Ito and Hong, {Seong Jong} and Lee, {Jae Sung} and Kwon, {Sun Il} and Lee, {Geon Song} and Park, {Kwang Suk} and Byungsik Hong and Lee, {Kyong Sei} and Lee, {Seok Jae} and Rhee, {June Tak} and Sim, {Kwang Souk}",

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AB - In order to build an animal PET system with high sensitivity and resolution, we propose a four-layer PET system which provides the DOI (depth of interaction) information. Each crystal layer has a relative offset of half the crystal pitch with each other and uses an identical type of crystals simplifying readout electronics. The proposed system PET system consists of four LYSO (Lu1.8Y0.2SiO5=Ce) or L0.9GSO (Lu1.8Gd0.2SiO4:Ce) crystal layers with a crystal dimension of 1.5×1.5×5.0 mm3. The animal PET system has a diameter of 84 mm with one Hamamatsu H9500 flat panel PMT ring, and can be upgraded to two PMT ring configuration. An estimated efficiency using GATE simulation is ∼15% at the center of one detector ring system. We present flood images obtained with a 22Na radiation source to verify the concepts of the proposed system, and obtained promising results.

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