The iQID camera: An ionizing-radiation quantum imaging detector

Brian W. Miller, Stephanie J. Gregory, Erin S. Fuller, Harrison H Barrett, H. Bradford Barber, Lars R Furenlid

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

We have developed and tested a novel, ionizing-radiation Quantum Imaging Detector (iQID). This scintillation-based detector was originally developed as a high-resolution gamma-ray imager, called BazookaSPECT, for use in single-photon emission computed tomography (SPECT). Recently, we have investigated the detector's response and imaging potential with other forms of ionizing radiation including alpha, neutron, beta, and fission fragment particles. The confirmed response to this broad range of ionizing radiation has prompted its new title. The principle operation of the iQID camera involves coupling a scintillator to an image intensifier. The scintillation light generated by particle interactions is optically amplified by the intensifier and then re-imaged onto a CCD/CMOS camera sensor. The intensifier provides sufficient optical gain that practically any CCD/CMOS camera can be used to image ionizing radiation. The spatial location and energy of individual particles are estimated on an event-by-event basis in real time using image analysis algorithms on high-performance graphics processing hardware. Distinguishing features of the iQID camera include portability, large active areas, excellent detection efficiency for charged particles, and high spatial resolution (tens of microns). Although modest, iQID has energy resolution that is sufficient to discriminate between particles. Additionally, spatial features of individual events can be used for particle discrimination. An important iQID imaging application that has recently been developed is real-time, single-particle digital autoradiography. We present the latest results and discuss potential applications.

Original languageEnglish (US)
Pages (from-to)146-152
Number of pages7
JournalNuclear Inst. and Methods in Physics Research, A
Volume767
DOIs
StatePublished - Dec 11 2014

Fingerprint

Ionizing radiation
ionizing radiation
Cameras
cameras
Detectors
Imaging techniques
detectors
intensifiers
Scintillation
Charge coupled devices
scintillation
charge coupled devices
CMOS
Image intensifiers (electron tube)
Single photon emission computed tomography
autoradiography
Optical gain
image intensifiers
Particle interactions
high resolution

Keywords

  • BazookaSPECT
  • Charged particle imaging detectors
  • Digital autoradiography
  • Ionizing radiation

ASJC Scopus subject areas

  • Instrumentation
  • Nuclear and High Energy Physics

Cite this

The iQID camera : An ionizing-radiation quantum imaging detector. / Miller, Brian W.; Gregory, Stephanie J.; Fuller, Erin S.; Barrett, Harrison H; Bradford Barber, H.; Furenlid, Lars R.

In: Nuclear Inst. and Methods in Physics Research, A, Vol. 767, 11.12.2014, p. 146-152.

Research output: Contribution to journalArticle

Miller, Brian W. ; Gregory, Stephanie J. ; Fuller, Erin S. ; Barrett, Harrison H ; Bradford Barber, H. ; Furenlid, Lars R. / The iQID camera : An ionizing-radiation quantum imaging detector. In: Nuclear Inst. and Methods in Physics Research, A. 2014 ; Vol. 767. pp. 146-152.
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