By Topic

Performance characterization of a novel thin position-sensitive avalanche photodiode-based detector for high resolution PET

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

4 Author(s)
Jin Zhang ; PerkinElmer Optoelectron., Santa Clara, CA ; Foudray, A.M.K. ; Olcott, P.D. ; Levin, C.S.

We are developing advanced dedicated breast and small animal positron emission tomography (PET) systems with detectors comprising arrays of 1times1times3 mm3 LSO crystals coupled to novel, extremely thin position-sensitive avalanche photodiodes (PSAPD). This thin PSAPD is essential for achieving high crystal packing fraction for a PET system design which has 2 cm effective LSO crystal thickness, 1 mm transaxial spatial resolution and 3 mm directly measured photon DOI resolution. These properties facilitate high detection efficiency and three dimensional positioning capability in the detector. With this very thin PSAPD, preliminary results indicated that we can expect 1 mm3 intrinsic spatial resolution. We have observed an average of 1.1 mm transaxial and 3 mm DOI spatial resolution, ~11% energy resolution and ~2 ns temporal resolution. We have also implemented a position algorithm for reducing the effect of pincushioning on events detected over the face of the PSAPD

Published in:

Nuclear Science Symposium Conference Record, 2005 IEEE  (Volume:5 )

Date of Conference:

23-29 Oct. 2005