Mini Compton camera based on an array of Frisch-grid CdZnTe detectors

Wonho Lee; Aleksey Bolotnikov; Taewoong Lee; Giuseppe Camarda; Yonggang Cui; Rubi Gul; Anwar Hossain; Utpal Roy; Ge Yang; Ralph James

doi:10.1109/NSSMIC.2014.7431262

Mini Compton camera based on an array of Frisch-grid CdZnTe detectors

Wonho Lee, Aleksey Bolotnikov, Taewoong Lee, Giuseppe Camarda, Yonggang Cui, Rubi Gul, Anwar Hossain, Utpal Roy, Ge Yang, Ralph James

School of Health and Environmental Science

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

Abstract

We constructed a mini Compton camera based on an array of CdZnTe detectors and assessed its spectral and imaging properties. The entire array consisted of 6×6 Frisch-grid CdZnTe detectors, each with a size of 6×6×15 mm3. Since it is easier and more practical to grow small CdZnTe crystals rather than large monolithic ones, constructing a mosaic array of parallelepiped crystals can be an effective way to build a more efficient, large-volume detector. With the fully operational CdZnTe array, we measured the energy spectra for 133Ba-, 137Cs-, 60Co-radiation sources; we also located these sources using a Compton imaging approach. Although the Compton camera was small enough to hand-carry, its intrinsic efficiency was several orders higher than those generated in previous research using spatially separated scintillator arrays, because our camera measured the interactions inside the CZT detector array, wherein the detector elements were positioned very close to each other.

Original language	English
Title of host publication	2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781479960972
DOIs	https://doi.org/10.1109/NSSMIC.2014.7431262
Publication status	Published - 2016 Mar 10
Event	IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014 - Seattle, United States Duration: 2014 Nov 8 → 2014 Nov 15

Publication series

Name	2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014

Other

Other	IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014
Country	United States
City	Seattle
Period	14/11/8 → 14/11/15

Keywords

CdZnTe
Compton Camera
Electronic Collimation
Frisch-Grid

ASJC Scopus subject areas

Nuclear and High Energy Physics
Radiology Nuclear Medicine and imaging

Access to Document

10.1109/NSSMIC.2014.7431262

Fingerprint Dive into the research topics of 'Mini Compton camera based on an array of Frisch-grid CdZnTe detectors'. Together they form a unique fingerprint.

Cite this

Lee, W., Bolotnikov, A., Lee, T., Camarda, G., Cui, Y., Gul, R., Hossain, A., Roy, U., Yang, G., & James, R. (2016). Mini Compton camera based on an array of Frisch-grid CdZnTe detectors. In 2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014 [7431262] (2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/NSSMIC.2014.7431262

Mini Compton camera based on an array of Frisch-grid CdZnTe detectors. / Lee, Wonho; Bolotnikov, Aleksey; Lee, Taewoong; Camarda, Giuseppe; Cui, Yonggang; Gul, Rubi; Hossain, Anwar; Roy, Utpal; Yang, Ge; James, Ralph.

2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014. Institute of Electrical and Electronics Engineers Inc., 2016. 7431262 (2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014).

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

Lee, W, Bolotnikov, A, Lee, T, Camarda, G, Cui, Y, Gul, R, Hossain, A, Roy, U, Yang, G & James, R 2016, Mini Compton camera based on an array of Frisch-grid CdZnTe detectors. in 2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014., 7431262, 2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014, Institute of Electrical and Electronics Engineers Inc., IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014, Seattle, United States, 14/11/8. https://doi.org/10.1109/NSSMIC.2014.7431262

Lee W, Bolotnikov A, Lee T, Camarda G, Cui Y, Gul R et al. Mini Compton camera based on an array of Frisch-grid CdZnTe detectors. In 2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014. Institute of Electrical and Electronics Engineers Inc. 2016. 7431262. (2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014). https://doi.org/10.1109/NSSMIC.2014.7431262

Lee, Wonho ; Bolotnikov, Aleksey ; Lee, Taewoong ; Camarda, Giuseppe ; Cui, Yonggang ; Gul, Rubi ; Hossain, Anwar ; Roy, Utpal ; Yang, Ge ; James, Ralph. / Mini Compton camera based on an array of Frisch-grid CdZnTe detectors. 2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014. Institute of Electrical and Electronics Engineers Inc., 2016. (2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014).

@inproceedings{38f8b6b2f94748bb957c7520e458164f,

title = "Mini Compton camera based on an array of Frisch-grid CdZnTe detectors",

abstract = "We constructed a mini Compton camera based on an array of CdZnTe detectors and assessed its spectral and imaging properties. The entire array consisted of 6×6 Frisch-grid CdZnTe detectors, each with a size of 6×6×15 mm3. Since it is easier and more practical to grow small CdZnTe crystals rather than large monolithic ones, constructing a mosaic array of parallelepiped crystals can be an effective way to build a more efficient, large-volume detector. With the fully operational CdZnTe array, we measured the energy spectra for 133Ba-, 137Cs-, 60Co-radiation sources; we also located these sources using a Compton imaging approach. Although the Compton camera was small enough to hand-carry, its intrinsic efficiency was several orders higher than those generated in previous research using spatially separated scintillator arrays, because our camera measured the interactions inside the CZT detector array, wherein the detector elements were positioned very close to each other.",

keywords = "CdZnTe, Compton Camera, Electronic Collimation, Frisch-Grid",

author = "Wonho Lee and Aleksey Bolotnikov and Taewoong Lee and Giuseppe Camarda and Yonggang Cui and Rubi Gul and Anwar Hossain and Utpal Roy and Ge Yang and Ralph James",

year = "2016",

month = mar,

day = "10",

doi = "10.1109/NSSMIC.2014.7431262",

language = "English",

series = "2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

booktitle = "2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014",

note = "IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014 ; Conference date: 08-11-2014 Through 15-11-2014",

}

TY - GEN

T1 - Mini Compton camera based on an array of Frisch-grid CdZnTe detectors

AU - Lee, Wonho

AU - Bolotnikov, Aleksey

AU - Lee, Taewoong

AU - Camarda, Giuseppe

AU - Cui, Yonggang

AU - Gul, Rubi

AU - Hossain, Anwar

AU - Roy, Utpal

AU - Yang, Ge

AU - James, Ralph

PY - 2016/3/10

Y1 - 2016/3/10

N2 - We constructed a mini Compton camera based on an array of CdZnTe detectors and assessed its spectral and imaging properties. The entire array consisted of 6×6 Frisch-grid CdZnTe detectors, each with a size of 6×6×15 mm3. Since it is easier and more practical to grow small CdZnTe crystals rather than large monolithic ones, constructing a mosaic array of parallelepiped crystals can be an effective way to build a more efficient, large-volume detector. With the fully operational CdZnTe array, we measured the energy spectra for 133Ba-, 137Cs-, 60Co-radiation sources; we also located these sources using a Compton imaging approach. Although the Compton camera was small enough to hand-carry, its intrinsic efficiency was several orders higher than those generated in previous research using spatially separated scintillator arrays, because our camera measured the interactions inside the CZT detector array, wherein the detector elements were positioned very close to each other.

AB - We constructed a mini Compton camera based on an array of CdZnTe detectors and assessed its spectral and imaging properties. The entire array consisted of 6×6 Frisch-grid CdZnTe detectors, each with a size of 6×6×15 mm3. Since it is easier and more practical to grow small CdZnTe crystals rather than large monolithic ones, constructing a mosaic array of parallelepiped crystals can be an effective way to build a more efficient, large-volume detector. With the fully operational CdZnTe array, we measured the energy spectra for 133Ba-, 137Cs-, 60Co-radiation sources; we also located these sources using a Compton imaging approach. Although the Compton camera was small enough to hand-carry, its intrinsic efficiency was several orders higher than those generated in previous research using spatially separated scintillator arrays, because our camera measured the interactions inside the CZT detector array, wherein the detector elements were positioned very close to each other.

KW - CdZnTe

KW - Compton Camera

KW - Electronic Collimation

KW - Frisch-Grid

UR - http://www.scopus.com/inward/record.url?scp=84965047560&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84965047560&partnerID=8YFLogxK

U2 - 10.1109/NSSMIC.2014.7431262

DO - 10.1109/NSSMIC.2014.7431262

M3 - Conference contribution

AN - SCOPUS:84965047560

T3 - 2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014

BT - 2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014

Y2 - 8 November 2014 through 15 November 2014

ER -