Vladimir Solovov
(LIP)
10/09/2014, 14:00
Applications in Life Sciences, Biology and Medicine
Poster Presentation
Scintillation camera is a position sensitive scintillation detector widely used in medical imaging. The use of monolithic unsegmented crystals was for a long time limited to scintigraphy and SPECT applications, while in PET scanners highly segmented detectors were used. Since recently, the possibility of employing relatively large monolithic scintillators in PET is being also considered. On...
Clara Nellist
(LAL-Orsay (FR))
10/09/2014, 14:00
Detectors for High Radiation and Extreme Environments
Poster Presentation
Substantial upgrades to the ATLAS Inner Detector (ID) must occur in order to be capable of withstanding the increase in occupancy and radiation damage expected from an upgrade to the High-Luminosity Large Hadron Collider (HL-LHC) in 2022. Minimisation of inactive regions for pixel detectors in ATLAS can be achieved through active edge design, where as implementation of alternative bias rail...
Toru Nishiyama
(Waseda University)
10/09/2014, 14:00
X-ray and gamma ray detectors
Poster Presentation
After the Japanese nuclear disaster in 2011, large amounts of radioactive isotopes were released and still remain a serious problem in Japan. Consequently, various gamma cameras are being developed to help identify radiation hotspots and ensure effective decontamination operation. The Compton camera utilizes the kinematics of Compton scattering to contract a source image without using a...
Mr
Sion Richards
(University of Surrey)
10/09/2014, 14:00
X-ray and gamma ray detectors
Poster Presentation
A thick segmented cadmium tungstate scintillator array has been developed at the Rutherford Appleton Laboratory in partnership with the University of Surrey. The array was 1.2 cm x 1.1 cm x 4.4 mm and consisted of 25x24 segments with a 400 µm pitch. This array was created using a novel laser ablation technique. The GATE Monte-Carlo simulation package was used to understand key aspects of its...
Dr
Michael Rissi
(Dectris Ltd)
10/09/2014, 14:00
X-ray and gamma ray detectors
Poster Presentation
The PILATUS3 CMOS ASIC with instant retrigger technology is compatible with CdTe sensors in electron collection mode. Applying a special shaper mode allows for the measurement of higher energy X-rays.
Pixelated CdTe sensors were bumpbonded to PILATUS3 CMOS readout ASICs. A large area detector of 16.8cm x 3.4cm was built consisting of four 1mm thick CdTe sensors with an area of 4.2cm x...
Kenji Shimazoe
(The University of Tokyo)
10/09/2014, 14:00
Applications in Life Sciences, Biology and Medicine
Poster Presentation
Abstract:
SiPMs (Silicon Photomultipliers) are promising photo detectors for high resolution PET system because of its high gain and its fast timing. The resolution of modern PET systems is now in the range of mm. We have newly developed a prototype of 16-channel SiPM with the pitch of 500 μm. One pixel of the developed SiPM consists of 676 APD-geiger mode cells with the size of 15 μm by 15...
Dr
Jason Gow
(The Open University)
10/09/2014, 14:00
X-ray and gamma ray detectors
Poster Presentation
This paper describes the development of a cryogenic irradiation test facility and the initial test of the system to irradiate an e2v technologies CCD236 at -35.4 C with a 10 MeV equivalent proton fluence of 5.0×108 protons.cm-2. The test facility has been developed for the ESA funded study into the radiation damage effects on a p-channel CCD204, and allows for the manipulation of shields and...
Yohta KUREI
(Waseda University)
10/09/2014, 14:00
Applications in Life Sciences, Biology and Medicine
Poster Presentation
We have developed a high spatial resolution, compact Positron Emission Tomography (PET) module designed for small animals and intended for use in magnetic resonance imaging (MRI) systems. This module consists of large-area, 4 $\times$ 4 ch MPPC arrays (S11827-3344MF; Hamamatsu Photonics K.K.) optically coupled with Ce-doped (Lu,Y)${}_2$(SiO${}_4$)O (Ce:LYSO) scintillators fabricated into 15...
Takuya FUJITA
(Waseda University)
10/09/2014, 14:00
Applications in Life Sciences, Biology and Medicine
Poster Presentation
In conventional PET scanners, spatial resolution deteriorates near the edges of the field of view due to the uncertain depth of interaction (DOI) within thick detectors. In our previous study, we reported the novel design of a gamma-ray detector that can measure DOI information. This detector was based on a segmented $3$-D scintillator array composed of $0.8 \times 0.8 \times 5$-mm$^3$...
Martin Printz
(KIT - Karlsruhe Institute of Technology (DE))
10/09/2014, 14:00
Applications in Particle Physics and Astrophysics
Poster Presentation
Position sensitive silicon detectors are largely employed in the tracking systems of High Energy Physics (HEP) experiments due to their outstanding performance. They are currently installed in the vertex and tracking part of the CMS experiment at LHC the world’s largest particle physics accelerator at Centre for European Nuclear Research (CERN), Geneva.
An upgrade of LHC accelerator is...
Dr
Nicolas Fourches
(CEA/IRFU)
10/09/2014, 14:00
Detectors for High Radiation and Extreme Environments
Poster Presentation
Silicon detectors have gained in popularity since silicon became one of widely used micro/nanolectronic semiconductor material. In particle physics as well as for room radiation detection or imaging , silicon is now a common feature for pixel based detecting systems. Over the past twenty years a lot of experimental efforts have been focused on the effects of ionizing and non-ionizing radiation...
Lazar Supic
(UC Berkeley, Lawrence Berkeley National Laboratory)
10/09/2014, 14:00
X-ray and gamma ray detectors
Poster Presentation
Position sensitive semiconductors are important tools for gamma-ray detection and imaging. Compton Imaging is now an established gamma ray imaging modality for energies ranging from about 200 keV to several MeV. The performance is only limited by intrinsic detector properties such as position and energy resolution and the ability to resolve individual interactions. In our effort we focus on...
Dr
Mercedes Rodriguez-Villafuerte
(Instituto de Fisica, UNAM)
10/09/2014, 14:00
Applications in Life Sciences, Biology and Medicine
Poster Presentation
Our group is developing a one-ring positron emission tomography prototype for small-animals with detector modules consisting of an assembly of 16×16 LYSO scintillation crystals (1×1×10 mm3) coupled to position sensitive photomultiplier tubes (PS-PMT) Hamamatsu H7546B. The detectors are placed in a ring of 9.8 cm inner diameter, with the object under study positioned on a motorized rotating...
Dr
Tadeusz Z. Kowalski
(AGH, University of Science and Technology, Krakow, Al. Mickiewicza 30, Poland)
10/09/2014, 14:00
Applications in Life Sciences, Biology and Medicine
Poster Presentation
In the past few years, miniaturized tissue- equivalent gas detectors operating at a nanometric level down to 35 nm, have been developed for application of microdosimetry in radiotherapy.
It should be stressed that single ionization events dominate the distribution of low-LET radiation in nanometric sites and therefore their detection is of primary importance. A higher gas gain is necessary...
Diana Duarte
(S)
10/09/2014, 14:00
Advances in Pixel Detectors and Integration Technologies
Poster Presentation
Small pixel CdTe radiation detectors provide excellent spatial and energy resolution for spectroscopic X-ray imaging. The high leakage current of CdTe, originated by its bulk and lateral edges, limits the performance of CdTe at high bias potentials. Guard bands are used to prevent interference of edge leakage current with the radiation signal. In the production of large flat panel CdTe...
Andreas Schneider
(S)
10/09/2014, 14:00
X-ray and gamma ray detectors
Poster Presentation
In the last decade, the Detector Development Group at the Technology Department of the Science & Technology Facility Council (STFC), UK, established a variety of fabrication and bonding techniques to build pixelated X-ray and gamma ray detector systems such as the HEXITEC detector for imaging and spectroscopy [1]. The fabrication and bonding of such devices comprises a range of processes and...
Alessandro Gabrielli
(Universita e INFN (IT))
10/09/2014, 14:00
Applications in Life Sciences, Biology and Medicine
Poster Presentation
The main objective of this proposal is to design a system for transmission and reception of signals and biological parameters through dedicated radio circuits using a purely digital approach (asynchronous events). Each source of biomedical parameters will be translated into temporal events that can be transmitted and received without further processing. The system, in fact, thanks to its...
Aleksandra Drozd
(AGH University of Science and Technology)
10/09/2014, 14:00
Advances in Pixel Detectors and Integration Technologies
Poster Presentation
The recent directions of development in hybrid pixel detectors working in single photon counting mode are nanometer or 3D technologies that support the trend of making pixels smaller and more functional at the same time. Usually single pixel in readout electronics for X-ray detection comprises of charge amplifier, shaper and discriminator that allow to classify events occurring at the detector...
Dr
Tadeusz Kowalski
(AGH, University of Science and Technology, Fac. of Physics and Applied Computer Science, Krakow, Poland)
10/09/2014, 14:00
Applications in Life Sciences, Biology and Medicine
Poster Presentation
In pulse mode operation each detector at the output gives pulse hight spectra. These pulse hight spectra from tissue-equivalent proportional counters are recalculated to microdosimetric quantity like y*f(y), y*d(y) or y*h60(y) or others, for expressing the radiation quality.
The pulse – hight spectra from different in geometry, proportional counters have been measured for three different TEG...
Dr
Arnulfo Martinez-Davalos
(Instituto de Fisica, UNAM), Dr
Mercedes Rodriguez-Villafuerte
(Instituto de Fisica, UNAM)
10/09/2014, 14:00
Applications in Life Sciences, Biology and Medicine
Poster Presentation
A new hybrid imaging modality, x-ray luminescence optical tomography (XLOT), has been proposed to study problems related to deep-tissue preclinical imaging. In this technique luminescent nanoparticles emit optical photons when irradiated with a collimated x-ray beam. XLOT combines the high sensitivity of optical imaging and the high spatial resolution of x-ray imaging. We are currently...
Mr
Vladislav Marochkin
(Pixpolar / Lappeenranta Univ. of Technology (FI))
10/09/2014, 14:00
X-ray and gamma ray detectors
Poster Presentation
The Silicon Drift Detectors (SDDs) have replaced simple diodes in demanding X-ray fluorescence applications like in element analyzers capable of detecting light elements. The reason for this is that with similar collection area the SDD’s have a much smaller output capacitance due to a much smaller anode size and thus much better Signal to Noise Ratio (SNR) at small signal levels than diodes....
Piotr Wiącek
(AGH University of Science and Technolgy, Kraków)
10/09/2014, 14:00
X-ray and gamma ray detectors
Poster Presentation
Over the last decade silicon strip detectors have become a standard in X-ray diffraction instrumentation. The primary advantage of these detectors is high measurement speed and high count rate capability achieved by fully parallel readout of multi-strip sensors. In our previous work [1] we have demonstrated that using a standard silicon strip detector technology combined with high performance...
Malte Backhaus
(CERN)
10/09/2014, 14:00
Applications in Particle Physics and Astrophysics
Poster Presentation
In preparation of the ATLAS Pixel Insertable B-Layer integration, detector components, so called staves, were mounted around the Beryllium ATLAS beam pipe and tested using production quality assurance measurements as well as dedicated data taking runs to validate a correct grounding and shielding schema. Each stave consists of 32 FE-I4 readout chips of ~ 2x2cm size which sums up to over 860k...
Evgeny Turbin
(LIN Magdeburg),
Yury Prokazov
(LIN Magdeburg)
10/09/2014, 14:00
Applications in Life Sciences, Biology and Medicine
Poster Presentation
We present a detector system with a microchannel plate based photomultiplier tube and its application for fluorescence lifetime imaging (FLIM). A capacity coupled imaging technique (charge image) combined with a charge division anode is employed for the positional readout. Using an artificial neural networks computation model we are able to reconstruct the position of the incident photon as...
Mr
Joseph Rushton
(Open University)
10/09/2014, 14:00
Detectors for High Radiation and Extreme Environments
Poster Presentation
Time Delay and Integration (TDI) sensors are used to increase Signal to Noise Ratio (SNR) when imaging fast moving objects. Applications include industrial process monitoring and earth observation from aircraft or spacecraft. Radiation hardness needs to be evaluated before operating in the space environment.
The subject of this work is a true charge transfer TDI device, manufactured on a...
Mr
Daniel Wood
(The Open University)
10/09/2014, 14:00
Detectors for High Radiation and Extreme Environments
Poster Presentation
Recent developments in pocket pumping techniques have enabled the study of charge-trapping defects in both n-channel and p-channel CCDs. These techniques allow for analysis of individual defects, which can be located in the device to within a few microns.
The ability of pocket pumping to analyse individual traps coupled with the large number of defects present within the silicon lattice...
Svetlana Kushpil
(Acad. of Sciences of the Czech Rep. (CZ))
10/09/2014, 14:00
Applications in Particle Physics and Astrophysics
Poster Presentation
The position sensitive detectors operate in high intensity radiation field of the collider experiment [1]. Important task is to estimate the influence of different radiation effects on properties of the detector. We focus on the laboratory studies to estimate a reliability of different types of silicon detectors. We use the simple test structures produced by standard technology for the silicon...
Andrew Clarke
(T)
10/09/2014, 14:00
X-ray and gamma ray detectors
Poster Presentation
The Centre for Electronic Imaging (CEI) has an active programme of evaluating and designing CMOS image sensors with high quantum efficiency for applications in near-infrared and X-ray photon detection. This paper describes the performance of devices made on a high resistivity 50μm thick substrate with a particular focus on determining the depletion depth and the quantum efficiency. The test...
10.
The Belle II DEPFET Pixel Detector and Cluster Shape Dependent Improvement of Spatial Resolution
Paola Avella
(Max Planck Institute for Physics)
10/09/2014, 14:00
Advances in Pixel Detectors and Integration Technologies
Poster Presentation
On behalf of the DEPFET Collaboration
The high energy experiment Belle II - an upgrade of the previous successful Belle experiment in the KEK Japanese flavor factory - is under construction. Belle II will be built on a new electron-positron machine (SuperKEKB) designed to deliver instantaneous luminosity 40 times higher than the world record set by its predecessor KEKB, and 50 ab-1 in a...
Simon Spannagel
(Deutsches Elektronen-Synchrotron (DE))
10/09/2014, 14:00
Applications in Particle Physics and Astrophysics
Poster Presentation
The CMS silicon pixel detector is the innermost component of the all-silicon tracking system of CMS. While the current pixel detector is designed for and performing well at the current LHC luminosity, it would be subject to severe inefficiencies at increased hit occupancy of the detector.
Based on the strong performance of the LHC accelerator, it is anticipated that peak luminosities of two...
Dr
Tony Price
(University of Birmingham)
10/09/2014, 14:00
Applications in Life Sciences, Biology and Medicine
Poster Presentation
**Dr Tony Price**, Prof Stuart Green, Dr Spyros Manolopoulos, Prof David Parker on behalf of the PRaVDA Consortium
The recent expansion in particle based radiotherapy worldwide is coupled with an increased demand for research in the area to improve cancer treatments. The goal of the Proton Radiotherapy Verification and Dosimetry Applications (PRaVDA) Consortium is to develop a solid state...
Mr
Ashley Joy
(UCL)
10/09/2014, 14:00
Advances in Pixel Detectors and Integration Technologies
Poster Presentation
A new, modular toolkit for creating simulations of 2D X-ray pixel detectors, X-CSIT (X-ray Camera SImulation Toolkit), is being developed. The toolkit uses three sequential simulations of detector processes including photon interactions, electron charge cloud spreading with a high charge density plasma model and many electronic components used in detector readout. In addition, because of the...
