Depth-of-interaction determination in NaI(Tl) and BGO scintillation crystals using a temperature gradient

Abstract A method for determining the depth of interaction in both NaI(Tl) and BGO crystals is investigated. This technique takes advantage of the relationship between temperature and decay time in a scintillation crystal. The depth of interaction is ascertained by measuring the decay time in a crystal with a uniform temperature gradient applied along its depth. The application of determining the depth of interaction in positron emission tomography scanners is discussed.

[1]  Michael E. Phelps,et al.  Dynamic, Gated and High Resolution Imaging with the ECAT III , 1986, IEEE Transactions on Nuclear Science.

[2]  V. I. Startsev,et al.  Temperature Dependence of the Luminescence of NaI(Tl) Crystals at Temperatures between 0° and 270°C , 1960 .

[3]  G Muehllehner,et al.  Positron emission tomography imaging--technical considerations. , 1986, Seminars in nuclear medicine.

[4]  R. H. Huesman,et al.  Initial Results from the Donner 600 Crystal Positron Tomograph , 1987, IEEE Transactions on Nuclear Science.

[5]  Wai-Hoi Wong,et al.  Designing a Stratified Detection System for PET Cameras , 1986, IEEE Transactions on Nuclear Science.

[6]  W. R. Cook,et al.  A Thick Anger Camera for Gamma-Ray Astronomy , 1985, IEEE Transactions on Nuclear Science.

[7]  M E Phelps,et al.  Effect of positron range on spatial resolution. , 1975, Journal of nuclear medicine : official publication, Society of Nuclear Medicine.

[8]  M. Daube-Witherspoon,et al.  An Iterative Image Space Reconstruction Algorthm Suitable for Volume ECT , 1986, IEEE Transactions on Medical Imaging.

[9]  C. A. Burnham,et al.  A Stationary Positron Emission Ring Tomograph Using Bgo Detector and Analog Readout , 1984, IEEE Transactions on Nuclear Science.

[10]  J. Schweitzer,et al.  Temperature Dependence of NaI(Tl) Decay Constant , 1983, IEEE Transactions on Nuclear Science.

[11]  E. Schneid,et al.  Influence of the Temperature Dependence of the NaI(Tl) Decay Time Constant on NaI(Tl) Detector Applications , 1977, IEEE Transactions on Nuclear Science.

[12]  Joel S. Karp,et al.  Evemt Localization in a Continuous Scintillation Detector Using Digital Processing , 1986, IEEE Transactions on Nuclear Science.

[13]  C. Melcher,et al.  Temperature Dependence of Fluorescence Decay Time and Emission Spectrum of Bismuth Germanate , 1985, IEEE Transactions on Nuclear Science.

[14]  Ronald H. Huesman,et al.  Imaging Properties of a Positron Tomograph with 280 Bgo Crystals , 1981, IEEE Transactions on Nuclear Science.

[15]  K Torizuka,et al.  Performance characteristics of Positologica III: a whole-body positron emission tomograph. , 1985, Journal of computer assisted tomography.

[16]  A. Wright,et al.  The Determination of Photomultiplier Temperature Coefficients for Gain and Spectral Sensitivity Using the Photon Counting Technique , 1987, IEEE Transactions on Nuclear Science.

[17]  G Muehllehner,et al.  Performance of a position-sensitive scintillation detector. , 1985, Physics in medicine and biology.

[18]  Rodney A. Brooks,et al.  Design of a High Resolution Positron Emission Tomograph: The Neuro‐PET , 1980, Journal of computer assisted tomography.

[19]  C. Bohm,et al.  Design Considerations of Small Crystal Positron Camera Systems , 1985, IEEE Transactions on Nuclear Science.