Molecular Imaging Instrumentation Laboratory  

Peter Olcott

Peter Olcott

Phone: 650-736-2599 Fax: 650-736-0234 E-mail »

Peter's current research interests are the evaluation of a intra-operative hand-held gamma ray camera (Nuclear Imager) for the surgical staging of cancer, novel Positron Emission Tomography(PET) detectors,software for the simulation and design of PET data acquisition, and MR compatible PET block detectors. He has successfully developed a hand held gamma camera for clinical use. Peter is currently developing the detectors and hardware for a new PET/MR clinical scanner.

Publications




Education

  • M.S., Stanford University, Stanford, Bio-engineering, 2006-2007
  • B.S. University of California, San Diego,Computer Science and Engineering, 1992-2004

Honors and Awards

  • 2007 Runner Up for Best Student Presentation - at IEEE Medical Imaging Conference in Owahu, Hawaii
  • 2007 Student Travel Award - IEEE. Award to attend IEEE Medical Imaging Conference in Owahu, Hawaii
  • 2007 Student Travel Award - Bio-X. Award to attend Society of Nuclear Medicine Meeting in Washington, DC 2007
  • 2006 Best Student Presentation - IEEE 2006 Medical Imaging Conference in San Diego, CA
  • 2006 Travel Award - IEEE. Award to attend IEEE Medical Imaging Conference in San Diego, CA

Projects

Publications

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    Author Title Year Jour./Proc./Book
    Dhanasopon, A.P.; Levin, C.S.; Foudray, A.M.K.; Olcott, P.D. & Habte, F. Scintillation Crystal Design Features for a Miniature Gamma-Ray Camera 2005 IEEE Transactions on Nuclear Science
    Vol. 52, pp. 1439-1446  
    BibTeX:
    @article{Dhanasopon2005,
      author = {A. P. Dhanasopon and C. S. Levin and A. M. K. Foudray and P. D. Olcott and F. Habte},
      title = {Scintillation Crystal Design Features for a Miniature Gamma-Ray Camera},
      journal = {IEEE Transactions on Nuclear Science},
      year = {2005},
      volume = {52},
      number = {5},
      pages = {1439-1446}
    }
    					
    Dhanasopon, P.; Levin, C.S.; Foudray, A.M.K.; Olcott, P.D. & Habte, F. Scintillation Crystal Design Features for a Miniature Gamma-Ray Camera 2003 2003 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, III, pp. 199-205  
    BibTeX:
    @conference{Dhanasopon2003,
      author = {P. Dhanasopon and C. S. Levin and A. M. K. Foudray and P. D. Olcott and F. Habte},
      title = {Scintillation Crystal Design Features for a Miniature Gamma-Ray Camera},
      booktitle = {2003 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, III},
      year = {2003},
      pages = {199-205}
    }
    					
    Foudray, A.M.K.; Farrell, R.; Olcott, P.D.; Shah, K.S. & Levin, C.S. Characterization of Two Thin Position-Sensitive Avalanche Photodiodes on a Single Flex Circuit for Use in 3-D Positioning PET Detectors 2006 2006 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, pp. 2469-2472  
    BibTeX:
    @conference{Foudray2006b,
      author = {A. M. K. Foudray and R. Farrell and P. D. Olcott and K. S. Shah and C. S. Levin},
      title = {Characterization of Two Thin Position-Sensitive Avalanche Photodiodes on a Single Flex Circuit for Use in 3-D Positioning PET Detectors},
      booktitle = {2006 IEEE Nuclear Science Symposium and Medical Imaging Conference Record},
      year = {2006},
      pages = {2469-2472}
    }
    					
    Foudray, A.M.K.; Habte, F.; Levin, C.S. & Olcott, P.D. Positioning Annihilation Photon Interactions in a Thin LSO Crystal Sheet with a Position-Sensitive Avalanche Photodiodes 2006 IEEE Transactions on Nuclear Science
    Vol. 53, pp. 2549-2556  
    BibTeX:
    @article{Foudray2006,
      author = {A. M. K. Foudray and F. Habte and C. S. Levin and P. D. Olcott},
      title = {Positioning Annihilation Photon Interactions in a Thin LSO Crystal Sheet with a Position-Sensitive Avalanche Photodiodes},
      journal = {IEEE Transactions on Nuclear Science},
      year = {2006},
      volume = {53},
      number = {5},
      pages = {2549-2556}
    }
    					
    Foudray, A.M.K.; Habte, F.; Levin, C.S. & Olcott, P.D. Positioning Annihilation Photon Interactions in a Thin LSO Crystal Sheet with a Position-Sensitive Avalanche Photodiode 2004 2004 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, V, pp. 2985-2989  
    BibTeX:
    @conference{Foudray2004,
      author = {A. M. K. Foudray and F. Habte and C. S. Levin and P. D. Olcott},
      title = {Positioning Annihilation Photon Interactions in a Thin LSO Crystal Sheet with a Position-Sensitive Avalanche Photodiode},
      booktitle = {2004 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, V},
      year = {2004},
      pages = {2985-2989}
    }
    					
    Habte, F.; Foudray, A.M.K.; Olcott, P.D. & Levin, C.S. Effects of System Geometry and Other Physical Factors on Photon Sensitivity of High Resolution Positron Emission Tomography 2007 Physics in Medicine and. Biology
    Vol. 52, pp. 3753-3772  
    BibTeX:
    @article{Habte2007a,
      author = {F. Habte and A. M. K. Foudray and P. D. Olcott and C. S. Levin},
      title = {Effects of System Geometry and Other Physical Factors on Photon Sensitivity of High Resolution Positron Emission Tomography},
      journal = {Physics in Medicine and. Biology},
      year = {2007},
      volume = {52},
      pages = {3753-3772}
    }
    					
    Habte, F.; Olcott, P.D.; Foudray, A.M.K.; Levin, C.S.; Zhang, J. & Chinn, G. Simulation and Measurement of Gamma-Ray and Annihilation Photon Imaging Detectors 2008 IEEE Transactions on Nuclear Science  
    BibTeX:
    @article{Habte2008,
      author = {F. Habte and P. D. Olcott and A. M. K. Foudray and C. S. Levin and J. Zhang and G. Chinn},
      title = {Simulation and Measurement of Gamma-Ray and Annihilation Photon Imaging Detectors},
      journal = {IEEE Transactions on Nuclear Science},
      year = {2008},
      note = {Submitted}
    }
    					
    Habte, F.; Olcott, P.D.; Foudray, A.M.K.; Levin, C.S.; Zhang, J. & Chinn, G. Simulation and Measurement of Gamma-Ray and Annihilation Photon Imaging Detectors 2004 2004 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, VI, pp. 4019-4022  
    BibTeX:
    @conference{Habte2004a,
      author = {F. Habte and P. D. Olcott and A. M. K. Foudray and C. S. Levin and J. Zhang and G. Chinn},
      title = {Simulation and Measurement of Gamma-Ray and Annihilation Photon Imaging Detectors},
      booktitle = {2004 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, VI},
      year = {2004},
      pages = {4019-4022}
    }
    					
    Habte, F.; Olcott, P.D. & Levin, C.S. High Resolution, Light Multiplexed 3D Positioning Scintillation Detector for High Resolution PET 2009 IEEE Transactions on Nuclear Science  
    BibTeX:
    @article{Habte2009,
      author = {F. Habte and P. D. Olcott and C. S. Levin},
      title = {High Resolution, Light Multiplexed 3D Positioning Scintillation Detector for High Resolution PET},
      journal = {IEEE Transactions on Nuclear Science},
      year = {2009},
      note = {Submitted}
    }
    					
    Habte, F.; Olcott, P.D.; Levin, C.S. & Foudray, A.M.K. Prototype Parallel Readout System for Position Sensitive PMT based Gamma-Ray Imaging Systems 2007 IEEE Transactions on Nuclear Science
    Vol. 54, pp. 60-65  
    BibTeX:
    @article{Habte2007,
      author = {F. Habte and P. D. Olcott and C. S. Levin and A. M. K. Foudray},
      title = {Prototype Parallel Readout System for Position Sensitive PMT based Gamma-Ray Imaging Systems},
      journal = {IEEE Transactions on Nuclear Science},
      year = {2007},
      volume = {54},
      number = {1},
      pages = {60-65}
    }
    					
    Habte, F.; Olcott, P.D.; Levin, C.S. & Foudray, A.M.K. Investigation of Scintillation Light Multiplexing for PET Detectors Based on Position Sensitive Avalanche Photodiodes 2005 2005 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, IV, pp. 2027-2030  
    BibTeX:
    @conference{Habte2005,
      author = {F. Habte and P. D. Olcott and C. S. Levin and A. M. K. Foudray},
      title = {Investigation of Scintillation Light Multiplexing for PET Detectors Based on Position Sensitive Avalanche Photodiodes},
      booktitle = {2005 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, IV},
      year = {2005},
      pages = {2027-2030}
    }
    					
    Habte, F.; Olcott, P.D.; Levin, C.S. & Foudray, A.M.K. Prototype Parallel Readout System for Position Sensitive PMT based Gamma-Ray Imaging Systems 2003 2003 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, II, pp. 60-65  
    BibTeX:
    @conference{Habte2003,
      author = {F. Habte and P. D. Olcott and C. S. Levin and A. M. K. Foudray},
      title = {Prototype Parallel Readout System for Position Sensitive PMT based Gamma-Ray Imaging Systems},
      booktitle = {2003 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, II},
      year = {2003},
      pages = {60-65}
    }
    					
    Habte, F.; Pratx, G.; Olcott, P.D. & Levin, C.S. New Geometry for a Whole Body PET System 2009 IEEE Transactions on Nuclear Science  
    BibTeX:
    @article{Habte2009a,
      author = {F. Habte and G. Pratx and P. D. Olcott and C. S. Levin},
      title = {New Geometry for a Whole Body PET System},
      journal = {IEEE Transactions on Nuclear Science},
      year = {2009},
      note = {Submitted}
    }
    					
    Lau, F.W.Y.; Fang, C.; Reynolds, P.D.; Olcott, P.D.; Vandenbroucke, A.; Olutade, F.; Horowitz, M.A. & Levin, C.S. 1 mm^3 Resolution Breast-Dedicated PET System 2008 Conference Record of the 2008 IEEE Nuclear Science Symposium and Medical Imaging Conference, pp. 5619-5622  
    BibTeX:
    @conference{Lau2008a,
      author = {F. W. Y. Lau and C. Fang and P. D. Reynolds and P. D. Olcott and A. Vandenbroucke and F. Olutade and M. A. Horowitz and C. S. Levin},
      title = {1 mm^3 Resolution Breast-Dedicated PET System},
      booktitle = {Conference Record of the 2008 IEEE Nuclear Science Symposium and Medical Imaging Conference},
      year = {2008},
      pages = {5619-5622}
    }
    					
    Lau, F.W.Y.; Olcott, P.D.; Horowitz, M.A.; Peng, H. & Levin, C.S. Noise analysis of LSO-PSAPD PET detector front-end multiplexing circuits 2007 Conference Record of the 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, pp. 3212-3219  
    BibTeX:
    @conference{Lau2007,
      author = {F. W. Y. Lau and P. D. Olcott and M. A. Horowitz and H. Peng and C. S. Levin},
      title = {Noise analysis of LSO-PSAPD PET detector front-end multiplexing circuits},
      booktitle = {Conference Record of the 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference},
      year = {2007},
      pages = {3212-3219}
    }
    					
    Lau, F.W.Y.; Vandenbroucke, A.; Reynolds, P.D.; Olcott, P.D.; Horowitz, M.A. & Levin, C.S. Analog Signal Multiplexing for PSAPD-Based PET Detectors: Simulation and Experimental Validation 2010 Physics in Medicine and Biology
    Vol. 55, pp. 7149-7174  
    BibTeX:
    @article{Lau2009,
      author = {F. W. Y. Lau and A. Vandenbroucke and P. D. Reynolds and P. D. Olcott and M. A. Horowitz and C. S. Levin},
      title = {Analog Signal Multiplexing for PSAPD-Based PET Detectors: Simulation and Experimental Validation},
      journal = {Physics in Medicine and Biology},
      year = {2010},
      volume = {55},
      number = {23},
      pages = {7149-7174}
    }
    					
    Lau, F.W.Y.; Vandenbroucke, A.; Reynolds, P.D.; Olcott, P.D.; Horowitz, M.A. & Levin, C.S. Front-end electronics for a 1mm3 resolution avalanche photodiode-based PET System with analog signal multiplexing-end Electronics for a 1mm3 Resolution LSO-PSAPD-based PET System with Multiplexing 2008 Conference Record of the 2008 IEEE Nuclear Science Symposium and Medical Imaging Conference, pp. 3871-3874  
    BibTeX:
    @conference{Lau2008,
      author = {F. W. Y. Lau and A. Vandenbroucke and P. D. Reynolds and P. D. Olcott and M. A. Horowitz and C. S. Levin},
      title = {Front-end electronics for a 1mm3 resolution avalanche photodiode-based PET System with analog signal multiplexing-end Electronics for a 1mm3 Resolution LSO-PSAPD-based PET System with Multiplexing},
      booktitle = {Conference Record of the 2008 IEEE Nuclear Science Symposium and Medical Imaging Conference},
      year = {2008},
      pages = {3871-3874}
    }
    					
    Levin, C.S.; Foudray, A.M.K.; Olcott, P.D. & Habte, F. Investigation of Position Sensitive Avalanche Photodiodes for a New High Resolution PET Detector Design 2004 IEEE Transactions on Nuclear Science
    Vol. 51-3, pp. 805-810  
    BibTeX:
    @article{Levin2004a,
      author = {C. S. Levin and A. M. K. Foudray and P. D. Olcott and F. Habte},
      title = {Investigation of Position Sensitive Avalanche Photodiodes for a New High Resolution PET Detector Design},
      journal = {IEEE Transactions on Nuclear Science},
      year = {2004},
      volume = {51-3},
      number = {2},
      pages = {805-810}
    }
    					
    Levin, C.S.; Foudray, A.M.K.; Olcott, P.D. & Habte, F. Investigation of Position Sensitive Avalanche Photodiodes for a New High Resolution PET Detector Design 2003 2003 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, IV, pp. 2262-2266  
    BibTeX:
    @conference{Levin2003a,
      author = {C. S. Levin and A. M. K. Foudray and P. D. Olcott and F. Habte},
      title = {Investigation of Position Sensitive Avalanche Photodiodes for a New High Resolution PET Detector Design},
      booktitle = {2003 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, IV},
      year = {2003},
      pages = {2262-2266}
    }
    					
    Olcott, P.D.; Buss, S.R.; Levin, C.S. & Pratx, G. GRAY: Photon Ray Tracer for PET Applications 2006 2006 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, pp. 211-215  
    BibTeX:
    @conference{Olcott2006a,
      author = {P. D. Olcott and S. R. Buss and C. S. Levin and G. Pratx},
      title = {GRAY: Photon Ray Tracer for PET Applications},
      booktitle = {2006 IEEE Nuclear Science Symposium and Medical Imaging Conference Record},
      year = {2006},
      pages = {211-215}
    }
    					
    Olcott, P.D.; Gonzalez, E.; Vandenbroucke, A. & Levin, C.S. Mixture model for fast estimation of positron range 2010 Nuclear Science Symposium Conference Record (NSS/MIC), 2010 IEEE, pp. 3058 -3060  
    BibTeX:
    @inproceedings{Olcott2010a,
      author = {P. D. Olcott and E. Gonzalez and A. Vandenbroucke and C. S. Levin},
      title = {Mixture model for fast estimation of positron range},
      booktitle = {Nuclear Science Symposium Conference Record (NSS/MIC), 2010 IEEE},
      year = {2010},
      pages = {3058 -3060},
      doi = {http://dx.doi.org/10.1109/NSSMIC.2010.5874361}
    }
    					
    Olcott, P.D.; Habte, F.; Levin, C.S. & Foudray, A.M.K. Performance Characterization of a Miniature, High Sensitivity Gamma-Ray Camera 2007 IEEE Transactions on Nuclear Science
    Vol. 54, pp. 1492-1497  
    BibTeX:
    @article{Olcott2007,
      author = {P. D. Olcott and F. Habte and C. S. Levin and A. M. K. Foudray},
      title = {Performance Characterization of a Miniature, High Sensitivity Gamma-Ray Camera},
      journal = {IEEE Transactions on Nuclear Science},
      year = {2007},
      volume = {54},
      number = {5},
      pages = {1492-1497}
    }
    					
    Olcott, P.D.; Habte, F.; Levin, C.S. & Foudray, A.M.K. Characterization of Performance of a Miniature, High Sensitivity Gamma-Ray Camera 2004 2004 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, VI, pp. 3997-4000  
    BibTeX:
    @conference{Olcott2004,
      author = {P. D. Olcott and F. Habte and C. S. Levin and A. M. K. Foudray},
      title = {Characterization of Performance of a Miniature, High Sensitivity Gamma-Ray Camera},
      booktitle = {2004 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, VI},
      year = {2004},
      pages = {3997-4000}
    }
    					
    Olcott, P.D.; Habte, F.; Zhang, J. & Levin, C.S. Charge Multiplexing Readout for Position Sensitive Avalanche Photodiodes 2005 2005 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, V, pp. 2935-2937  
    BibTeX:
    @conference{Olcott2005a,
      author = {P. D. Olcott and F. Habte and J. Zhang and C. S. Levin},
      title = {Charge Multiplexing Readout for Position Sensitive Avalanche Photodiodes},
      booktitle = {2005 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, V},
      year = {2005},
      pages = {2935-2937}
    }
    					
    Olcott, P.D.; Labruyere, A.F.; Habte, F.; Warburton, W.K. & Levin, C.S. High Speed Fully Digital Data Acquisition System for Positron Emission Tomography 2006 2006 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, pp. 1909-1911  
    BibTeX:
    @conference{Olcott2006b,
      author = {P. D. Olcott and A. F. Labruyere and F. Habte and W. K. Warburton and C. S. Levin},
      title = {High Speed Fully Digital Data Acquisition System for Positron Emission Tomography},
      booktitle = {2006 IEEE Nuclear Science Symposium and Medical Imaging Conference Record},
      year = {2006},
      pages = {1909-1911}
    }
    					
    Olcott, P.D.; Lau, F.W.Y. & Levin, C.S. Data Acquisition System Design for a 1 mm^3 Resolution PSAPD-Based PET System 2007 Conference Record of the 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, pp. 3206-3211  
    BibTeX:
    @conference{Olcott2007a,
      author = {P. D. Olcott and F. W. Y. Lau and C. S. Levin},
      title = {Data Acquisition System Design for a 1 mm^3 Resolution PSAPD-Based PET System},
      booktitle = {Conference Record of the 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference},
      year = {2007},
      pages = {3206-3211}
    }
    					
    Olcott, P.D. & Levin, C.S. Pulse Width Modulation: A Novel Readout Scheme For High Energy Photon Detection 2008 Conference Record of the 2008 IEEE Nuclear Science Symposium and Medical Imaging Conference, pp. 4530-4535  
    BibTeX:
    @conference{Olcott2008,
      author = {P. D. Olcott and C. S. Levin},
      title = {Pulse Width Modulation: A Novel Readout Scheme For High Energy Photon Detection},
      booktitle = {Conference Record of the 2008 IEEE Nuclear Science Symposium and Medical Imaging Conference},
      year = {2008},
      pages = {4530-4535}
    }
    					
    Olcott, P.D. & Levin, C.S. Image Processing Algorithms to Facilitate and Enhance Sentinel Node Detection using a Hand-Held Gamma-Ray Camera in Surgical Breast Cancer Staging 2006 Physica Medica
    Vol. 21, pp. 99-101  
    BibTeX:
    @article{Olcott2006,
      author = {P. D. Olcott and C. S. Levin},
      title = {Image Processing Algorithms to Facilitate and Enhance Sentinel Node Detection using a Hand-Held Gamma-Ray Camera in Surgical Breast Cancer Staging},
      journal = {Physica Medica},
      year = {2006},
      volume = {21},
      pages = {99-101}
    }
    					
    Olcott, P.D.; Peng, H. & Levin, C.S. Novel Electro-Optical Coupling Technique for Magnetic Resonance-Compatible Positron Emission Tomography Detectors 2009 MOLECULAR IMAGING
    Vol. 8, pp. 74-86  
    Abstract: A new magnetic resonance imaging (MRI)-compatible positron emission tomography (PET) detector design is being developed that uses electro-optical coupling to bring the amplitude and arrival time information of high-speed PET detector scintillation pulses out of an MRI system. The electro-optical coupling technology consists of a magnetically insensitive photodetector output signal connected to a nonmagnetic vertical cavity surface emitting laser (VCSEL) diode that is coupled to a multimode optical fiber. This scheme essentially acts as an optical wire with no influence on the MRI system. To test the feasibility of this approach, a lutetium-yttrium oxyorthosilicate crystal coupled to a single pixel of a solid-state photomultiplier array was placed in coincidence with a lutetium oxyorthosilicate crystal coupled to a fast photomultiplier tube with both the new nonmagnetic VCSEL coupling and the standard coaxial cable signal transmission scheme. No significant change was observed in 511 keV photopeak energy resolution and coincidence time resolution. This electro-optical coupling technology enables an MRI-compatible PET block detector to have a reduced electromagnetic footprint compared with the signal transmission schemes deployed in the current MRI/PET designs.
    BibTeX:
    @article{Olcott2009,
      author = {P. D. Olcott and H. Peng and C. S. Levin},
      title = {Novel Electro-Optical Coupling Technique for Magnetic Resonance-Compatible Positron Emission Tomography Detectors},
      journal = {MOLECULAR IMAGING},
      year = {2009},
      volume = {8},
      number = {2},
      pages = {74-86},
      doi = {http://dx.doi.org/10.2310/7290.2009.00012}
    }
    					
    Olcott, P.D.; Peng, H. & Levin, C.S. Novel Electro-Optically Coupled MR Compatible PET Detectors 2008 Conference Record of the 2008 IEEE Nuclear Science Symposium and Medical Imaging Conference, pp. 4640-4645  
    BibTeX:
    @conference{Olcott2008a,
      author = {P. D. Olcott and H. Peng and C. S. Levin},
      title = {Novel Electro-Optically Coupled MR Compatible PET Detectors},
      booktitle = {Conference Record of the 2008 IEEE Nuclear Science Symposium and Medical Imaging Conference},
      year = {2008},
      pages = {4640-4645}
    }
    					
    Olcott, P.D.; Pratx, G. & Levin, C.S. Novel Hand Held Intraoperative Radionuclide Imaging 2010 ANNALS OF SURGICAL ONCOLOGY
    Vol. 17, pp. S106-S107  
    BibTeX:
    @article{Olcott2010,
      author = {P. D. Olcott and G. Pratx and C. S. Levin},
      title = {Novel Hand Held Intraoperative Radionuclide Imaging},
      journal = {ANNALS OF SURGICAL ONCOLOGY},
      year = {2010},
      volume = {17},
      number = {Suppl. 1},
      pages = {S106-S107}
    }
    					
    Olcott, P.D.; Talcott, J.A.; Levin, C.S.; Habte, F. & Foudray, A.M.K. Compact Readout Electronics for Position Sensitive Photomultiplier Tubes 2005 IEEE Transactions on Nuclear Science
    Vol. 52, pp. 21-27  
    BibTeX:
    @article{Olcott2005,
      author = {P. D. Olcott and J. A. Talcott and C. S. Levin and F. Habte and A. M. K. Foudray},
      title = {Compact Readout Electronics for Position Sensitive Photomultiplier Tubes},
      journal = {IEEE Transactions on Nuclear Science},
      year = {2005},
      volume = {52},
      number = {1},
      pages = {21-27}
    }
    					
    Olcott, P.D.; Talcott, J.A.; Levin, C.S.; Habte, F. & Foudray, A.M.K. Compact Readout Electronics for Position Sensitive Photomultiplier Tubes 2003 2003 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, III, pp. 1962-1966  
    BibTeX:
    @conference{Olcott2003,
      author = {P. D. Olcott and J. A. Talcott and C. S. Levin and F. Habte and A. M. K. Foudray},
      title = {Compact Readout Electronics for Position Sensitive Photomultiplier Tubes},
      booktitle = {2003 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, III},
      year = {2003},
      pages = {1962-1966}
    }
    					
    Olcott, P.D.; Zhang, J.; Levin, C.S.; Habte, F. & Foudray, A.M.K. Finite Element Model Based Spatial Linearity Correction for Scintillation Detectors That Use Position Sensitive Avalanche Photodiodes 2005 2005 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, V, pp. 2459-2462  
    BibTeX:
    @conference{Olcott2005b,
      author = {P. D. Olcott and J. Zhang and C. S. Levin and F. Habte and A. M. K. Foudray},
      title = {Finite Element Model Based Spatial Linearity Correction for Scintillation Detectors That Use Position Sensitive Avalanche Photodiodes},
      booktitle = {2005 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, V},
      year = {2005},
      pages = {2459-2462}
    }
    					
    Peng, H.; Olcott, P.D.; Foudray, A.M.K. & Levin, C.S. Evaluation of Free-Running ADCs for High Resolution PET Data Acquisition 2007 Conference Record of the 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, pp. 3328-3331  
    BibTeX:
    @conference{Peng2007,
      author = {H. Peng and P. D. Olcott and A. M. K. Foudray and C. S. Levin},
      title = {Evaluation of Free-Running ADCs for High Resolution PET Data Acquisition},
      booktitle = {Conference Record of the 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference},
      year = {2007},
      pages = {3328-3331}
    }
    					
    Peng, H.; Olcott, P.D. & Levin, C.S. Can large-area avalanche photodiodes be used for a clinical PET/MRI block detector? 2008 Conference Record of the 2008 IEEE Nuclear Science Symposium and Medical Imaging Conference, pp. 4675-4680  
    BibTeX:
    @conference{Peng2008,
      author = {H. Peng and P. D. Olcott and C. S. Levin},
      title = {Can large-area avalanche photodiodes be used for a clinical PET/MRI block detector?},
      booktitle = {Conference Record of the 2008 IEEE Nuclear Science Symposium and Medical Imaging Conference},
      year = {2008},
      pages = {4675-4680}
    }
    					
    Peng, H.; Olcott, P.D.; Pratx, G.; Foudray, A.M.K.; Chinn, G. & Levin, C.S. Design Study of a High Resolution Breast-Dedicated PET System Built from Cadmium Zinc Telluride Detectors 2007 Conference Record of the 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, pp. 3700-3704  
    BibTeX:
    @conference{Peng2007a,
      author = {H. Peng and P. D. Olcott and G. Pratx and A. M. K. Foudray and G. Chinn and C. S. Levin},
      title = {Design Study of a High Resolution Breast-Dedicated PET System Built from Cadmium Zinc Telluride Detectors},
      booktitle = {Conference Record of the 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference},
      year = {2007},
      pages = {3700-3704}
    }
    					
    Peng, H.; Olcott, P.D.; Spanoudaki, V. & Levin, C.S. Investigation of a clinical PET detector module design that employs large-area avalanche photodetectors 2011 Physics in Medicine and Biology
    Vol. 56, pp. 3603-3627  
    BibTeX:
    @article{Peng2011,
      author = {H. Peng and P. D. Olcott and V. Spanoudaki and C. S. Levin},
      title = {Investigation of a clinical PET detector module design that employs large-area avalanche photodetectors},
      journal = {Physics in Medicine and Biology},
      year = {2011},
      volume = {56},
      number = {12},
      pages = {3603-3627},
      url = {http://stacks.iop.org/0031-9155/56/i=12/a=010}
    }
    					
    Peng, H.; Olcott, P.D.; Spanoudaki, V.C. & Levin, C.S. Can large-area avalanche photodiodes be used for a PET detector insert for an MRI system? 2009 Medical Physics  
    BibTeX:
    @article{Peng2009b,
      author = {H. Peng and P. D. Olcott and V. C. Spanoudaki and C. S. Levin},
      title = {Can large-area avalanche photodiodes be used for a PET detector insert for an MRI system?},
      journal = {Medical Physics},
      year = {2009},
      note = {Submitted}
    }
    					
    Pratx, G.; Chinn, G.; Habte, F.; Olcott, P.D. & Levin, C.S. Fully 3D List-mode OSEM Accelerated with Graphics Processing Units 2006 2006 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, pp. 2196-2202  
    BibTeX:
    @conference{Pratx2006,
      author = {G. Pratx and G. Chinn and F. Habte and P. D. Olcott and C. S. Levin},
      title = {Fully 3D List-mode OSEM Accelerated with Graphics Processing Units},
      booktitle = {2006 IEEE Nuclear Science Symposium and Medical Imaging Conference Record},
      year = {2006},
      pages = {2196-2202}
    }
    					
    Pratx, G.; Chinn, G.; Olcott, P.D. & Levin, C.S. Fast, Accurate and Shift-Varying Line Projections for Iterative Reconstruction Using the GPU 2008 Conference Record of the 2008 IEEE Nuclear Science Symposium and Medical Imaging Conference  
    BibTeX:
    @conference{Pratx2008,
      author = {G. Pratx and G. Chinn and P. D. Olcott and C. S. Levin},
      title = {Fast, Accurate and Shift-Varying Line Projections for Iterative Reconstruction Using the GPU},
      booktitle = {Conference Record of the 2008 IEEE Nuclear Science Symposium and Medical Imaging Conference},
      year = {2008}
    }
    					
    Pratx, G.; Olcott, P.D.; Chinn, G. & Levin, C.S. Fast, Accurate and Shift-Varying Line Projections for Iterative Reconstruction Using the GPU 2009 IEEE Transactions in Medical Imaging
    Vol. 28, pp. 435-445  
    BibTeX:
    @article{Pratx2009,
      author = {G. Pratx and P. D. Olcott and G. Chinn and C. S. Levin},
      title = {Fast, Accurate and Shift-Varying Line Projections for Iterative Reconstruction Using the GPU},
      journal = {IEEE Transactions in Medical Imaging},
      year = {2009},
      volume = {28},
      number = {3},
      pages = {435-445}
    }
    					
    Reynolds, P.D.; Olcott, P.D.; Lau, F.W.Y. & Levin, C.S. Convex Optimization of Coincidence Time Resolution for High Resolution PET Systems 2008 Conference Record of the 2008 IEEE Nuclear Science Symposium and Medical Imaging Conference, pp. 4068-4073  
    BibTeX:
    @conference{Reynolds2008,
      author = {P. D. Reynolds and P. D. Olcott and F. W. Y. Lau and C. S. Levin},
      title = {Convex Optimization of Coincidence Time Resolution for High Resolution PET Systems},
      booktitle = {Conference Record of the 2008 IEEE Nuclear Science Symposium and Medical Imaging Conference},
      year = {2008},
      pages = {4068-4073}
    }
    					
    Reynolds, P.D.; Olcott, P.D.; Pratx, G.; Lau, F.W.Y. & Levin, C.S. Convex Optimization of Coincidence Time Resolution for a High-Resolution PET System 2011 Medical Imaging, IEEE Transactions on
    Vol. 30, pp. 391 -400  
    BibTeX:
    @article{Reynolds2011,
      author = {P. D. Reynolds and P. D. Olcott and G. Pratx and F. W. Y. Lau and C. S. Levin},
      title = {Convex Optimization of Coincidence Time Resolution for a High-Resolution PET System},
      journal = {Medical Imaging, IEEE Transactions on},
      year = {2011},
      volume = {30},
      number = {2},
      pages = {391 -400},
      doi = {http://dx.doi.org/10.1109/TMI.2010.2080282}
    }
    					
    Vandenbroucke, A.; Foudray, A.M.K.; Olcott, P.D. & Levin, C.S. Performance characterization of a new high resolution PET scintillation detector 2010 PHYSICS IN MEDICINE AND BIOLOGY
    Vol. 55, pp. 5895-5911  
    Abstract: Performance of a new high resolution PET detection concept is presented. In this new concept, annihilation radiation enters the scintillator detectors edge-on. Each detector module comprises two 8 x 8 LYSO scintillator arrays of 0.91 x 0.91 x 1 mm(3) crystals coupled to two position-sensitive avalanche photodiodes (PSAPDs) mounted on a flex circuit. Appropriate crystal segmentation allows the recording of all three spatial coordinates of the interaction(s) simultaneously with submillimeter resolution. We report an average energy resolution of 14.6 +/- 1.7% for 511 keV photons at FWHM. Coincident time resolution was determined to be 2.98 +/- 0.13 ns FWHM on average. The coincidence point spread function (PSF) has an average FWHM of 0.837 +/- 0.049 mm (using a 500 mu m spherical source) and is uniform across the arrays. Both PSF and coincident time resolution degrade when Compton interactions are included in the data. Different blurring factors were evaluated theoretically, resulting in a calculated PSF of 0.793 mm, in good agreement with the measured value.
    BibTeX:
    @article{Vandenbroucke2010,
      author = {A. Vandenbroucke and A. M. K. Foudray and P. D. Olcott and C. S. Levin},
      title = {Performance characterization of a new high resolution PET scintillation detector},
      journal = {PHYSICS IN MEDICINE AND BIOLOGY},
      year = {2010},
      volume = {55},
      number = {19},
      pages = {5895-5911},
      doi = {http://dx.doi.org/10.1088/0031-9155/55/19/018}
    }
    					
    Zhang, J.; Foudray, A.M.K.; Olcott, P.D. & Levin, C.S. Performance Characterization of a Novel Thin Position-Sensitive Avalanche Photodiode for High Resolution Positron Emission Tomography 2007 IEEE Transactions on Nuclear Science
    Vol. 54, pp. 415-421  
    BibTeX:
    @article{Zhang2007b,
      author = {J. Zhang and A. M. K. Foudray and P. D. Olcott and C. S. Levin},
      title = {Performance Characterization of a Novel Thin Position-Sensitive Avalanche Photodiode for High Resolution Positron Emission Tomography},
      journal = {IEEE Transactions on Nuclear Science},
      year = {2007},
      volume = {54},
      number = {3},
      pages = {415-421}
    }
    					
    Zhang, J.; Foudray, A.M.K.; Olcott, P.D. & Levin, C.S. Performance Characterization of a Novel Thin Position-Sensitive Avalanche Photodiode-Based Detector for High Resolution PET 2005 2005 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, V, pp. 2478-2482  
    BibTeX:
    @conference{Zhang2005a,
      author = {J. Zhang and A. M. K. Foudray and P. D. Olcott and C. S. Levin},
      title = {Performance Characterization of a Novel Thin Position-Sensitive Avalanche Photodiode-Based Detector for High Resolution PET},
      booktitle = {2005 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, V},
      year = {2005},
      pages = {2478-2482}
    }
    					
    Zhang, J.; Olcott, P.D.; Chinn, G.; Foudray, A.M.K. & Levin, C.S. Study of the Performance of a Novel 1 mm Resolution Dual-Panel PET Camera Design Dedicated to Breast Cancer Imaging Using Monte Carlo Simulation 2007 Medical Physics
    Vol. 34, pp. 689-702  
    BibTeX:
    @article{Zhang2007,
      author = {J. Zhang and P. D. Olcott and G. Chinn and A. M. K. Foudray and C. S. Levin},
      title = {Study of the Performance of a Novel 1 mm Resolution Dual-Panel PET Camera Design Dedicated to Breast Cancer Imaging Using Monte Carlo Simulation},
      journal = {Medical Physics},
      year = {2007},
      volume = {34},
      number = {2},
      pages = {689-702}
    }
    					
    Zhang, J.; Olcott, P.D.; Foudray, A.M.K.; Chinn, G. & Levin, C.S. Monte Carlo Simulation Study of a Dual-Plate PET Camera Dedicated to Breast Cancer Imaging 2005 2005 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, III, pp. 1667-1671  
    BibTeX:
    @conference{Zhang2005,
      author = {J. Zhang and P. D. Olcott and A. M. K. Foudray and G. Chinn and C. S. Levin},
      title = {Monte Carlo Simulation Study of a Dual-Plate PET Camera Dedicated to Breast Cancer Imaging},
      booktitle = {2005 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, III},
      year = {2005},
      pages = {1667-1671}
    }
    					
    Zhang, J.; Olcott, P.D. & Levin, C.S. A New Positioning Algorithm for Position-Sensitive Avalanche Photodiodes 2007 IEEE Transactions on Nuclear Science
    Vol. 54, pp. 433-437  
    BibTeX:
    @article{Zhang2007a,
      author = {J. Zhang and P. D. Olcott and C. S. Levin},
      title = {A New Positioning Algorithm for Position-Sensitive Avalanche Photodiodes},
      journal = {IEEE Transactions on Nuclear Science},
      year = {2007},
      volume = {54},
      number = {3},
      pages = {433-437}
    }
    					

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