Conferences related to Scintillation Detector

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2020 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC)

All areas of ionizing radiation detection - detectors, signal processing, analysis of results, PET development, PET results, medical imaging using ionizing radiation


2019 IEEE 16th International Symposium on Biomedical Imaging (ISBI)

The IEEE International Symposium on Biomedical Imaging (ISBI) is the premier forum for the presentation of technological advances in theoretical and applied biomedical imaging.ISBI 2019 will be the 16th meeting in this series. The previous meetings have played a leading role in facilitating interaction between researchers in medical and biological imaging. The 2019 meeting will continue this tradition of fostering cross fertilization among different imaging communities and contributing to an integrative approach to biomedical imaging across all scales of observation.


2019 IEEE Photonics Society Summer Topical Meeting Series (SUM)

The Topical Meetings of the IEEE Photonics Society are the premier conference series for exciting, new areas in photonic science, technology, and applications; creating the opportunity to learn about emerging fields and to interact with the research and technology leaders in an intimate environment.


2018 IEEE 18th International Conference on Bioinformatics and Bioengineering (BIBE)

The series of BIBE Conferences was initiated in 2000 and is the first of its kind in IEEE inspiringothers to follow its path. The 18th annual IEEE International Conference on Bioinformatics andBioengineering aims at building synergy between Bioinformatics and Bioengineering, twocomplementary disciplines that hold great promise for the advancement of research anddevelopment in complex medical and biological systems, agriculture, environment, publichealth, drug design. Research and development in these two areas are impacting the scienceand technology in fields such as medicine, food production, forensics, etc. by advancingfundamental concepts in molecular biology, by helping us understand living organisms atmultiple levels, by developing innovative implants and bio-prosthetics, and by improving toolsand techniques for the detection, prevention and treatment of diseases.


2018 IEEE-NPSS Real Time Conference (RT)

Real time computing applications involving both hardware and software development in nuclear, particle, plasma and other related fields.


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Periodicals related to Scintillation Detector

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Applied Superconductivity, IEEE Transactions on

Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission


Biomedical Engineering, IEEE Transactions on

Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.


Dielectrics and Electrical Insulation, IEEE Transactions on

Electrical insulation common to the design and construction of components and equipment for use in electric and electronic circuits and distribution systems at all frequencies.


Geoscience and Remote Sensing, IEEE Transactions on

Theory, concepts, and techniques of science and engineering as applied to sensing the earth, oceans, atmosphere, and space; and the processing, interpretation, and dissemination of this information.


Medical Imaging, IEEE Transactions on

Imaging methods applied to living organisms with emphasis on innovative approaches that use emerging technologies supported by rigorous physical and mathematical analysis and quantitative evaluation of performance.


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Most published Xplore authors for Scintillation Detector

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Xplore Articles related to Scintillation Detector

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Neutron and X-ray transmission measurements using a Li-glass scintillation detector

2017 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), 2017

A Li-glass scintillation detector was applied in order to test the complementary imaging with the time-of-flight (TOF) technique. Neutron and X-ray transmission measurements were performed by using a composite source system at Hokkaido University. The TOF and pulse-height spectra for the neutron and X-ray beams were obtained with samples of metal plates. For the samples, the measured transmission rates of ...


A SPAD array sensor based on breakdown pixel extraction architecture with background readout for scintillation detector

2017 IEEE SENSORS, 2017

This paper proposes a SPAD array sensor based on breakdown pixel extraction architecture with background readout for scintillation detectors. The proposed architecture extracts the addresses of only the breakdown pixels during the exposure time of the next frame. Therefore, this sensor minimizes the dead time and improve the readout efficiency. A SPAD array sensor was fabricated in a 0.18 μm ...


Can the Light Yield Amplification by Laser Significantly Improve the Energy Resolution of a Scintillation Detector?

IEEE Transactions on Nuclear Science, 2014

In 2012, D. K. Wehe and coauthors proposed a method of light yield amplification in scintillation detectors. A trivalent activator ion RE<sup>3+</sup> captures an electron produced by an incident particle in a scintillator and becomes a divalent rare earth ion RE<sup>2+</sup> . The scintillator is illuminated by laser photons that excite RE<sup>2+</sup> ions, which quickly de-excite and generate light photons. ...


Electronic circuits for the high voltage supply and additional sensors for the polyphemus 222Rn in soil-gas scintillation detector

2017 XXVI International Scientific Conference Electronics (ET), 2017

A microcontroller system for managing the high voltage supply of a plastic scintillation detector for continuous in situ monitoring of the 222Rn concentration in soil gas is developed and tested. Additional sensors are provided to the system to follow up some ambient parameters (atmospheric pressure, temperature, relative humidity and 3D acceleration).


Optimization of scintillation-detector timing systems using Monte Carlo analysis

IEEE Conference on Nuclear Science Symposium and Medical Imaging, 1992

Monte Carlo analysis is used to model statistical noise associated with scintillation-detector photoelectron emissions and photomultiplier tube operation. The impulse response of a photomultiplier tube, front-end amplifier, and constant-fraction discriminator (CFD) is modeled so that the effects of front-end bandwidth and constant-fraction delay and fraction can be evaluated for timing-system optimizations. Monte Carlo timing resolution for a bismuth germanate (BGO)/photomultiplier ...


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Educational Resources on Scintillation Detector

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IEEE-USA E-Books

  • Neutron and X-ray transmission measurements using a Li-glass scintillation detector

    A Li-glass scintillation detector was applied in order to test the complementary imaging with the time-of-flight (TOF) technique. Neutron and X-ray transmission measurements were performed by using a composite source system at Hokkaido University. The TOF and pulse-height spectra for the neutron and X-ray beams were obtained with samples of metal plates. For the samples, the measured transmission rates of the neutron and X-ray beams were consistent with the calculated ones.

  • A SPAD array sensor based on breakdown pixel extraction architecture with background readout for scintillation detector

    This paper proposes a SPAD array sensor based on breakdown pixel extraction architecture with background readout for scintillation detectors. The proposed architecture extracts the addresses of only the breakdown pixels during the exposure time of the next frame. Therefore, this sensor minimizes the dead time and improve the readout efficiency. A SPAD array sensor was fabricated in a 0.18 μm CMOS process. According to the measurement results under the dark condition, the duty cycle of the exposure time is 1.25 times higher than the previous work. This high duty cycle improves the probability to detect the incident photons occurring closely in time and achieves an efficient event detection.

  • Can the Light Yield Amplification by Laser Significantly Improve the Energy Resolution of a Scintillation Detector?

    In 2012, D. K. Wehe and coauthors proposed a method of light yield amplification in scintillation detectors. A trivalent activator ion RE<sup>3+</sup> captures an electron produced by an incident particle in a scintillator and becomes a divalent rare earth ion RE<sup>2+</sup> . The scintillator is illuminated by laser photons that excite RE<sup>2+</sup> ions, which quickly de-excite and generate light photons. By cyclically excitation RE<sup>2+</sup> ions, one can obtain many light photons during any chosen accumulation time. Authors suggested that this method could remove the scintillation yield as a limiting factor of the energy resolution of scintillation detectors. This conclusion was based on the rather simplified theoretical examination of the pulse formation process in an amplified scintillator. In this work, the theory of branching cascade processes was applied to the description of the pulse formation process. The formulae for the energy resolution of an amplified scintillation detector and an ordinary scintillation detector were derived. From these formulae, it follows that the relative reduction in the energy resolution of the amplified scintillation detector with reference to the ordinary scintillation detector is less than a few percent.

  • Electronic circuits for the high voltage supply and additional sensors for the polyphemus 222Rn in soil-gas scintillation detector

    A microcontroller system for managing the high voltage supply of a plastic scintillation detector for continuous in situ monitoring of the 222Rn concentration in soil gas is developed and tested. Additional sensors are provided to the system to follow up some ambient parameters (atmospheric pressure, temperature, relative humidity and 3D acceleration).

  • Optimization of scintillation-detector timing systems using Monte Carlo analysis

    Monte Carlo analysis is used to model statistical noise associated with scintillation-detector photoelectron emissions and photomultiplier tube operation. The impulse response of a photomultiplier tube, front-end amplifier, and constant-fraction discriminator (CFD) is modeled so that the effects of front-end bandwidth and constant-fraction delay and fraction can be evaluated for timing-system optimizations. Monte Carlo timing resolution for a bismuth germanate (BGO)/photomultiplier scintillation detector, CFD timing system is presented as a function of constant-fraction delay for 511-keV coincident gamma rays in the presence of Compton scatter. Monte Carlo results are in good agreement with measured results, indicating better timing resolution with decreasing constant-fraction delay. Monte Carlo energy- discrimination performance is experimentally verified along with the timing resolution (Monte Carlo resolution of 3.1 ns FWHM versus measured resolution of 3.3 ns FWHM) for a front-end rise time of 10 ns (10-90%). CFD delay of 8 ns, and CFD fraction of 20%.<<ETX>>

  • Towards design and optimization of scintillation-detector systems: A Monte-Carlo simulation framework

    A complete simulation framework that combines Monte Carlo simulation with the digital-signal-processing algorithms developed in-house is presented for designing and optimizing scintillation detector systems. The framework covers basic components of a practical scintillation detector system and includes all relevant physical processes. With the complete simulation individual physical factors that can affect the performance of a detector system, such as detector geometry, surface finishing, decay time and scintillation yield of scintillator as well as responses of photodetector and front-end electronics, can be taken into account. As a demonstration of the simulation framework, the light collections of plastic (EJ200), NaI(Tl) and BGO scintillators with different surface types have been simulated as a function of the reflectivity of a diffuse reflector. Optical simulations were further performed to investigate the homogeneity of light transportation and detection in plastic scintillators with different surface finishing properties and coupled to one or two PMT(s). Finally, detector signals simulated for a NaI(Tl) detector have been compared with measured mean pulses. The simulated signal can be further digitized and used as input of digital signal processing.

  • Scintillation Detector Design Study for Prompt Gamma Photon Detection in Proton Therapy Monitoring

    Proton therapy is currently one of the most advanced radiotherapy technologies. However, due to proton range uncertainty during proton dose delivery, proton range monitoring is of vital importance for proton therapy. In recent years, there has been increased interest of utilizing prompt gamma imaging (PGI) for online proton range monitoring due to its high yield, real- time emission property and immunity to biological wash-out effect. However, the 2 ~ 8 MeV high energy of prompt gamma makes detector design of PGI system challenging and the saturation effect of SiPM, which is a kind of commonly used photodetector in scintillation detector design, should be carefully considered. In this work, we propose a scintillation detector design based on BGO crystal and SiPM (SensL FJ30035) for the PGI system we are now developing. A numerical simulation considering the optical photon generation and single microcell response of SiPM pixel was performed to evaluate the saturation of SiPM under the proposed detector design and compared with that based on LYSO crystal. The results demonstrate that BGO-based detector design features similar detector efficiency but significantly reduced saturation effect of SiPM compared with LYSO-based detector design for high energy prompt gamma detection. A detector module consisting of a 12 × 12 BGO block (single crystal size: 3.5 × 3.5 × 30 mm3) and an 8 × 8 SiPM array was further developed and an experiment platform was set up to evaluate the detector performance in terms of 2D flood map and energy resolution under 22Na source irradiation. In the 2D flood map, each crystal element can be clearly identified, indicating good positioning capability of the proposed detector design. The energy resolution of the proposed detector design is 16.4 ± 1.4 % for 1275 keV gamma photons. Based on these initial results, we conclude the proposed detector has high detection efficiency, negligible SiPM saturation, good positioning capability and reasonable energy performance and is feasible for prompt gamma detection.

  • Whether the light yield amplification by laser could significantly improve the energy resolution of a scintillation detector?

    In 2012, Wehe D.K. and coauthors proposed a method of light yield amplification in scintillation detectors. A trivalent activator ion RE<sup>3+</sup> captures an electron produced by a particle in scintillator and becomes a divalent rare earth ion RE<sup>2+</sup>. The scintillator is illuminated by laser photons that excite RE<sup>2+</sup> ions, which quickly de-excite and generate light photons. By cyclically excitation RE<sup>2+</sup> ions, one can obtain many light photons during any chosen accumulation time. Authors suggested that this method could remove scintillation yield as a limiting factor of the energy resolution of scintillation detectors. This conclusion was based on rather simplified theoretical examination of the pulse formation process in an amplified scintillator. In this work, the theory of branching cascade processes was applied to description of the pulse formation process. The general formula for the energy resolution of an amplified scintillator was derived. From this formula, it follows that the scintillation yield is not a limiting factor of the energy resolution of amplified scintillation detectors. It was shown that the relative reduction in the energy resolution of an amplified scintillation detector with reference to an ordinary scintillation detector is less than a few percent.

  • Performance of digital algorithms for n//spl gamma/ pulse shape discrimination using a liquid scintillation detector

    We have investigated the use of digital data acquisition techniques to analyze the performance of pulse shape discrimination from a liquid scintillation detector in mixed neutron/gamma radiation fields. Three digital pulse shape discrimination methods were explored, applied to pulses digitized from a liquid scintillator using a high-speed waveform digitizer. The various features of these digital discrimination techniques are discussed and quality of the resulting n//spl gamma/ pulse shape discrimination is compared. The digital approach is useful with regard to developing a compact neutron monitor that is capable of fast neutron spectroscopy in the presence of strong mixed n//spl gamma/ radiation fields.

  • Performance of the Liquid Xenon Scintillation Detector for the MEG Experiment

    A large-volume liquid xenon (LXe) scintillation detector has been developed for the MEG experiment, which will seek evidence for the lepton flavor violating process, mu rarr egamma with a branching ratio sensitivity smaller than 10-13. A prototype detector with 100 L LXe was constructed to demonstrate that the performance of the proposed full-scale detector fulfills the requirements for the MEG experiment. New photomultipliers with a higher quantum efficiency and better performance under high rate environment were recently developed and employed in the prototype detector. The performance of the detector was measured with high-energy monochromatic photons from pi0decays produced in the charge exchange (CEX) process. We obtained an energy resolution of 1.2plusmn0.1 % in sigma on the right side of the peak for the 55 MeV photons. The timing resolution was also measured to be 65 psec in sigma.



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