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Listar por autor "Hernandez Hernandez, Liczandro"

Mostrando ítems 1-18 de 18

Analysis of the Statistical Moments of the Scintillation Light Distribution With dSiPMs

Conde Castellanos, Pablo Eloy; González Martínez, Antonio Javier; Gonzalez, A.; Hernández Hernández, Liczandro; Bellido, P.; Crespo Navarro, Efren; Iborra Carreres, Amadeo; Moliner Martínez, Laura; Rigla Pérez, Juan Pablo; Rodríguez Álvarez, María José; Sanchez, F.; Seimetz, Michael; Soriano Asensi, Antonio; Vidal San Sebastián, Luis Fernando; Benlloch Baviera, Jose María (Institute of Electrical and Electronics Engineers (IEEE), 2015-10)

In gamma-ray detectors, monolithic scintillation crystals offer the possibility of preserving the scintillation light distribution especially when painted black. The statistical moments of this distribution provide accurate ...
Calibration and Performance Tests of Detectors for Laser-Accelerated Protons

Seimetz, Michael; Bellido, P.; Soriano Asensi, Antonio; García López, J.; Jiménez-Ramos, M.C.; Fernández, B.; Conde Castellanos, Pablo Eloy; Crespo Navarro, Efren; González Martínez, Antonio Javier; Hernández Hernández, Liczandro; Iborra Carreres, Amadeo; Moliner Martínez, Laura; Rigla Pérez, Juan Pablo; Rodríguez Álvarez, María José; Sanchez, F.; Sanchez, S.; Vidal San Sebastián, Luis Fernando; Benlloch Baviera, Jose María (Institute of Electrical and Electronics Engineers (IEEE), 2015)

We present the calibration and performance tests carried out with two detectors for intense proton pulses accelerated by lasers. Most of the procedures were realized with proton beams of 0.46-5.60 MeV from a tandem ...
Characterization of protons accelerated from a 3 TW table-top laser system

Bellido-Millán, Pablo Jesús; Lera, Roberto; Seimetz, Michael; Ruiz-de la Cruz, Alexandro; Torres Peiró, Salvador; Galán, M.; Mur, P.; Sánchez, I.; Zaffino, R.; Vidal San Sebastian, Luis Fernando; Soriano Asensi, Antonio; Sánchez-Góez, Sebastián; Sánchez Martínez, Filomeno; Rodríguez-Álvarez, M.J.; Rigla, J.P.; Moliner Martínez, Laura; Iborra Carreres, Amadeo; Hernández Hernández, Liczandro; Grau-Ruiz, Daniel; González Martínez, Antonio Javier; García-Garrigos, Juan José; Díaz Caballero, Elena; Conde-Castellanos, Pablo Eloy; Aguilar-Talens, Albert; Roso, Luis; Benlloch Baviera, Jose María (IOP Publishing, 2017-05)

[EN] We report on benchmark tests of a 3 TW/50 fs, table-top laser system specifically developed for proton acceleration with an intrinsic pump rate up to 100 Hz. In two series of single-shot measurements differing in pulse ...
Correction algorithms for signal reduction in insensitive areas of a small gamma camera

Seimetz, Michael; Orero Palomares, Abel; Morera Ballester, Constantino; Abellan Castillo, Adoracion Inmaculada; Polo Collado, Ramiro; Hernández Hernández, Liczandro; Vidal San Sebastián, Luis Fernando; Soriano Asensi, Antonio; Pavón Hernández, Noriel; Benlloch Baviera, Jose María (IOP Publishing, 2014-05)

The radiation sensitive part of the wide-field, small gamma camera Sentinella 108 consists of a monolithic, 102 x 102 mm2 wide CsI(Na) crystal coupled to four position-sensitive photomultipliers. These are read out via a ...
Detector block performance based on a monolithic LYSO crystal using a novel signal multiplexing method

González, A.; Sánchez, F.; Martí, Rosana; Hernández Hernández, Liczandro; Aguilar-Talens, Albert; BARBERA BALLESTER, JULIO; CATRET MASCARELL, JUAN VICENTE; Cañizares-Ledo, Gabriel; Conde-Castellanos, Pablo Eloy; Lamprou, Efthymios; Martos Pedrosa, Francisco; Sánchez-Góez, Sebastián; Vidal San Sebastian, Luis Fernando; Benlloch Baviera, Jose María; González Martínez, Antonio Javier (Elsevier, 2018-12-21)

[EN] Organ dedicated PET devices provide improved imaging performance when compared to whole body systems. The present study summarizes the test carried out to study a new detector block designed for an organ dedicated PET ...
Detector blockbased on arrays of 144 SiPMs and monolithic scintillators: A performane study

González Martínez, Antonio Javier; Conde Castellanos, Pablo Eloy; Iborra Carreres, Amadeo; Aguilar, A.; Bellido, P.; Garcia-Olcina, R.; Hernández Hernández, Liczandro; Moliner Martínez, Laura; Rigla, J. P.; Rodríguez Álvarez, María José; Sánchez, F; Seimetz, Michael; Soriano Asensi, Antonio; Torres, Jose; Vidal San Sebastián, Luis Fernando; Benlloch Baviera, Jose María (Elsevier, 2015-07-01)

[EN] We have developed a detector block composed by a monolithic LYSO scintillator coupled to a custom made 12 12 SiPMs array. The design is mainly focused to applications such as Positron Emission Tomography. The ...
Dosimetric Calibration of Radiochromic Film For Laser-accelerated Proton Beams

Bellido, P.; Seimetz, Michael; Soriano, A.; Huertas, C.; García Lopez, J.; Jimenez-Ramos, M. C:; Fernandez, B.; Conde, P.; Crespo, E.; González Martínez, Antonio Javier; Hernández, L.; Iborra, A.; Martos, F.; Moliner, L.; Rigla, J. P.; Rodríguez-Álvarez, M. J.; Sánchez, F.; Vidal San Sebastian, Luis Fernando; Benlloch Baviera, Jose María (IEEE, 2013-11-02)

[Otros] When an ultra-intense and ultra-short laser pulse interacts with solid matter a fraction of the laser pulse can be converted into kinetic energy of a beam of charged particles. Radiochromic film (RCF), widely ...
EM tomographic image reconstruction using polarvoxels

Soriano Asensi, Antonio; Rodríguez Álvarez, María José; Iborra Carreres, Amadeo; Sánchez Martínez, Filomeno; Carles Fariña, Montserrat; Conde Castellanos, Pablo Eloy; González Martínez, Antonio Javier; Hernández Hernández, Liczandro; Moliner Martínez, Laura; Orero Palomares, Abel; Vidal San Sebastián, Luis Fernando; Benlloch Baviera, Jose María (Institute of Physics: Hybrid Open Access, 2013-01)

[EN] The splitting of the field of view (FOV) in polar voxels is proposed in this work in order to obtain an efficient description of a cone-beam computed tomography (CT) scanner. The proposed symmetric-polar pixelation ...
Implementation and analysis of list mode algorithm using tubes of response on a dedicated brain and breast PET

Moliner Martínez, Laura; Correcher, Carlos; González Martínez, Antonio Javier; Conde Castellanos, Pablo Eloy; Hernández Hernández, Liczandro; Orero Palomares, Abel; Rodríguez Álvarez, María José; Sánchez Martínez, Filomeno; Soriano Asensi, Antonio; Vidal San Sebastián, Luis Fernando; Benlloch Baviera, Jose María (Elsevier, 2013-02-21)

In this work we present an innovative algorithm for the reconstruction of PET images based on the List-Mode (LM) technique which improves their spatial resolution compared to results obtained with current MLEM algorithms. ...
Performance Evaluation of the Dual Ring MAMMI breast PET

Soriano, A.; Sánchez, F.; Carrilero, V.; Pardo, A.; Vidal San Sebastian, Luis Fernando; Vazquez, C.; Barbera, J.; Seimetz, Michael; Rodríguez-Álvarez, M.J.; Rigla, J. P.; Moliner, L.; Iborra, A.; Hernández, L.; González Martínez, Antonio Javier; Crespo, E.; Conde, P.; Bellido, P.; Caballero, L.; Benlloch Baviera, Jose María (IEEE, 2013-11-02)

[EN] MAMMI is a dedicated breast positron emission tomograph (PET) based on monolythic LYSO crystals, with a transaxial field of view (FOV) of 170 mm. It has been upgraded by adding a second ring of detectors that extends ...
Performance study of a wide area SiPM array, ASICs controlled

González Martínez, Antonio Javier; Majewski, Stanislaw; Barbera, J.; Conde Castellanos, Pablo Eloy; Correcher, C.; Hernández Hernández, Liczandro; Morera, C.; Vidal San Sebastián, Luis Fernando; Sánchez Martínez, Filomeno; Stolin, A.; Benlloch Baviera, Jose María (Institute of Electrical and Electronics Engineers (IEEE), 2015-02)

In this paper, the capabilities of a wide-area gamma ray photosensor based on a SiPM array are investigated. For this purpose, we have mounted an array of 144 SiPMs with individual active area of mm and a pitch of mm, thus ...
PET detector block with accurate 4D capabilities

Lamprou, Efthymios; Aguilar -Talens, Albert; Gonzalez-Montoro, Andrea; Monzó Ferrer, José María; Cañizares-Ledo, Gabriel; Iranzo-Egea, Sofía; Vidal San Sebastian, Luis Fernando; Hernández Hernández, Liczandro; Conde-Castellanos, Pablo Eloy; Sánchez-Góez, Sebastián; Sanchez, Filomeno; González Martínez, Antonio Javier; Benlloch Baviera, Jose María (Elsevier, 2018-12-21)

[EN] In this contribution, large SiPM arrays (8 x 8 elements of 6 x 6 mm(2) each) are processed with an ASIC-based readout and coupled to a monolithic LYSO crystal to explore their potential use for TOF-PET applications. ...
PETIROC2 based readout electronics optimization for Gamma Cameras and PET detectors

Monzó Ferrer, José María; Aguilar -Talens, Albert; González Montoro, Andrea; Lamprou,E.; González Martínez, Antonio Javier; Hernández Hernández, Liczandro; Mázur, Dmytro; Colom Palero, Ricardo José; Benlloch Baviera, Jose María (IOP Publishing, 2017)

[EN] Developing front-end electronics to improve charge detection and time resolution in gamma-ray detectors is one of the main tasks to improve performance in new multimodal imaging systems that merge information of ...
Pilot performance of a dedicated prostate PET suitable for diagnosis and biopsy guidance

Cañizares-Ledo, Gabriel; Gonzalez-Montoro, Andrea; Freire, Marta; Lamprou, Efthymios; Barrio, John; Sánchez Martínez, Filomeno; Benlloch Baviera, Jose María; Hernandez, Liczandro; Moliner, Laura; Vidal San Sebastian, Luis Fernando; Torres, Irene; Sopena, Pablo; Vera-Donoso, Cesar D.; Bello, Pilar; Barbera, Julio; González Martínez, Antonio Javier (SpringerOpen (part of Springer Nature), 2020-06-05)

[EN] Background: Prostate cancer (PCa) represents one of the most common types of cancers facing the male population. Nowadays, to confirm PCa, systematic or multiparametric MRI-targeted transrectal or transperineal ...
Statistical moments of scintillation light distribution analysis with dSiPMs and monolithic crystals

Conde, P.; González Martínez, Antonio Javier; Hernández, L.; Bellido, P.; Crespo, E.; Iborra, A.; Moliner, L.; Rigla, J. P.; Rodríguez-Álvarez, M.J.; Sánchez, F.; Seimetz, Michael; Soriano, A.; Vidal San Sebastian, Luis Fernando; Benlloch Baviera, Jose María (IEEE, 2013-11-02)

[EN] Monolithic scintillation crystals offer the possibility to preserve the scintillation light distribution, specially when black painted. Furthermore, the statistical moments of that distribution can provide accurate ...
Time reconstruction study using tubes of response backprojectors in List Mode algorithms, applied to amonolithic crystals based breast PET

Moliner, L.; Correcher, C.; González Martínez, Antonio Javier; Conde, P.; Crespo, E.; Hernandez, L.; Rigla, J. P.; Rodriguez-Alvarez, M. J.; Sanchez, F.; Soriano, A.; Iborra, A.; Bellido, P.; Seimetz, Michael; Vidal San Sebastian, Luis Fernando; Benlloch Baviera, Jose María (IEEE, 2013-11-02)

[EN] The LM-EM algorithm has the advantage to calculate the emission probabilities needed for the reconstruction process on the fly, without the need of a pre-calculated system matrix. The reconstruction time for this ...
Time-of-Flight Detector for the Characterisation of Laser-Accelerated Protons

Seimetz, Michael; Bellido, P.; Soriano, A.; Huertas, C.; García Lopez, J.; Jimenez-Ramos, M. C:; Fernandez, B.; Conde, P.; Crespo, E.; González Martínez, Antonio Javier; Hernández, L.; Iborra, A.; Martos, F.; Moliner, L.; Rigla, J. P.; Rodríguez-Álvarez, M.J.; Sánchez, F.; Vidal San Sebastian, Luis Fernando; Benlloch Baviera, Jose María (IEEE, 2013-11-02)

[EN] Lasers of ultra-high intensity focused on thin targets can form plasmas and release large numbers of charged particles with kinetic energies in the MeV region. The characterization of the accelerated particles requires ...
Timing results using an FPGA-based TDC with large arrays of 144 SiPMs

Aguilar, A.; González Martínez, Antonio Javier; Torres, J.; García Olcina, Raimundo; Martos, J.; Soret, J.; Conde Castellanos, Pablo Eloy; Hernández Hernández, Liczandro; Sanchez, F.; Benlloch Baviera, Jose María (Institute of Electrical and Electronics Engineers (IEEE), 2015-02)

Silicon photomultipliers (SiPMs) have become an alternative to traditional tubes due to several features. However, their implementation to form large arrays is still a challenge especially due to their relatively high ...