253 citations · 922 across the 46 of their papers we have counts for
31 papers · 1 filter
A Generalized Framework for Rapid Polarization Response Generation in Wide Field-of-View Compton Polarimeters
Mohamed Gamal Zaid, Merlin Kole, Mark McConnell +2
Polarimetry is the most direct probe of the unsettled radiation mechanism and magnetic field structure of gamma-ray burst (GRB) prompt emission at the energies where it peaks, tens…
PolPy: A universal tool for X-ray/gamma-ray polarimetry using common data format standards
Sujay Mate, Hancheng Li, Utkarsh Pathak +4
X-ray/gamma-ray polarimetry has been a rapidly developing field in recent years. However, the lack of standardized analysis frameworks has hindered cross-instrument comparisons and…
Design and preliminary performance study of the broad-band spectrometer detector for POLAR-2
Jian-Chao Sun, Jiang He, Shuang-Nan Zhang +46
POLAR-2, the successor of the POLAR experiment aboard China's Tiangong-2 space lab, is set to be deployed on the China Space Station. The POLAR-2 mission aims to conducting high-pr…
Measurements of the Birks' coefficient of GAGG:Ce using hard X-rays
Merlin Kole, Nicolas De Angelis
Inorganic scintillators continue to be widely used within astrophysical X-ray and gamma-ray detectors. This is in part thanks to the development of new scintillators, such as GAGG:…
Design and Scientific Prospects of the POLAR-2 Mission
Merlin Kole, Nicolas de Angelis, Jiang He +4
The POLAR-2 mission consists of 3 instruments designed with the combined aim of producing a deeper understanding of Gamma-Ray Bursts. To achieve this, POLAR-2 relies on polarisatio…
Design and Performance of a Universal SiPM Readout System for X- and Gamma-Ray Missions
Merlin Kole, Nicolas De Angelis, Nicolas Produit +15
The advent of both multi-messenger and time-domain astrophysics over the last decade has seen a large interest in the development of small-scale, cheap, and robust gamma-ray detect…
STROBE-X High Energy Modular Array (HEMA)
Anthony L. Hutcheson, Marco Feroci, Andrea Argan +64
The High Energy Modular Array (HEMA) is one of three instruments that compose the STROBE-X mission concept. The HEMA is a large-area, high-throughput non-imaging pointed instrument…
Optimizing the light output of a plastic scintillator and SiPM based detector through optical characterization and simulation: A case study for POLAR-2
Nicolas De Angelis, Franck Cadoux, Coralie Husi +2
The combination of plastic scintillators with Silicon Photo-Multipliers (SiPMs) is widely used for detecting radiation in high-energy astrophysics, particle physics, neutrino physi…
Response of the first POLAR-2 Prototype to Polarized Beams
Merlin Kole, Nicolas de Angelis, Ana Bacelj +15
POLAR-2 is a dedicated gamma-ray polarimeter currently foreseen to be launched towards the China Space Station around 2027. The design of the detector is based on the legacy of its…
Future Perspectives for Gamma-ray Burst Detection from Space
Enrico Bozzo, Lorenzo Amati, Wayne Baumgartner +35
Since their first discovery in the late 1960s, Gamma-ray bursts have attracted an exponentially growing interest from the international community due to their central role in the m…
HAGRID -- High Accuracy GRB Rapid Inference with Deep learning
Merlin Kole, Gilles Koziol, David Droz
Since their discoveries in 1967, Gamma-Ray Bursts (GRBs) continue to be one of the most researched objects in astrophysics. Multi-messenger observations are key to gaining a deeper…
POLAR-2, the next generation of GRB polarization detector
Nicolas Produit, Merlin Kole, Xin Wu +9
The POLAR-2 Gamma-Ray Burst (GRB) Polarimetry mission is a follow-up to the successful POLAR mission. POLAR collected six months of data in 2016-2017 on board the Tiangong-2 Chines…
Temperature dependence of radiation damage annealing of Silicon Photomultipliers
Nicolas De Angelis, Merlin Kole, Franck Cadoux +9
The last decade has increasingly seen the use of silicon photomultipliers (SiPMs) instead of photomultiplier tubes (PMTs). This is due to various advantages of the former on the la…
Proton Irradiation of SiPM arrays for POLAR-2
Slawomir Mianowski, Nicolas De Angelis, Johannes Hulsman +12
POLAR-2 is a space-borne polarimeter, built to investigate the polarization of Gamma-Ray Bursts and help elucidate their mechanisms. The instrument is targeted for launch in 2024 o…
Gamma-ray Polarimetry of Transient Sources with POLAR
Merlin Kole, Jianchao Sun
Polarization measurements of the gamma-ray component of transient sources are of great scientific interest, they are however, also highly challenging. This is due to the typical lo…
Development and science perspectives of the POLAR-2 instrument: a large scale GRB polarimeter
N. De Angelis, J. M. Burgess, F. Cadoux +14
Despite several decades of multi-wavelength and multi-messenger spectral observations, Gamma-Ray Bursts (GRBs) remain one of the big mysteries of modern astrophysics. Polarization…
Phase-resolved gamma-ray spectroscopy of the Crab pulsar observed by POLAR
Han-Cheng Li, Neal Gauvin, Ming-Yu Ge +15
The POLAR detector is a space based Gamma-Ray Burst (GRB) polarimeter sensitive in the 15-500 keV energy range. Apart from its main scientific goal as a Gamma-Ray Burst polarimeter…
In-Orbit Instrument Performance Study and Calibration for POLAR Polarization Measurements
Zhengheng Li, Merlin Kole, Jianchao Sun +30
POLAR is a compact space-borne detector designed to perform reliable measurements of the polarization for transient sources like Gamma-Ray Bursts in the energy range 50-500keV. The…
Polarimetry with POLAR
Merlin Kole
In the first half year of operation the satellite borne POLAR instrument detected a total of 55 Gamma-Ray Bursts about 10 of which were bright enough to allow for detailed polariza…
Design and construction of the POLAR detector
N. Produit, T. W. Bao, T. Batsch +35
The POLAR detector is a space based Gamma Ray Burst (GRB) polarimeter with a wide field of view, which covers almost half the sky. The instrument uses Compton scattering of gamma r…
Instrument Performance and Simulation Verification of the POLAR Detector
M. Kole, Z. H. Li, N. Produit +32
POLAR is a new satellite-born detector aiming to measure the polarization of an unprecedented number of Gamma-Ray Bursts in the 50-500 keV energy range. The instrument, launched on…
POLAR: Final Calibration and In-Flight Performance of a Dedicated GRB Polarimeter
M. Kole, T. W. Bao, T. Batsch +41
Gamma-ray polarimetry is a new powerful tool to study the processes responsible for the emission from astrophysical sources and the environments in which this emission takes place.…
Optimising a balloon-borne polarimeter in the hard X-ray domain: from the PoGOLite Pathfinder to PoGO+
Maxime Chauvin, Miranda Jackson, Takafumi Kawano +6
PoGOLite is a balloon-borne hard X-ray polarimeter dedicated to the study of point sources. Compton scattered events are registered using an array of plastic scintillator units to…
Calibration of Gamma-ray Burst Polarimeter POLAR
H. L. Xiao, W. Hajdas, T. W. Bao +33
Gamma Ray Bursts (GRBs) are the strongest explosions in the universe which might be associated with creation of black holes. Magnetic field structure and burst dynamics may influen…