English
Related papers

Related papers: Predictive model of persistence in H2RG detectors

200 papers

The measurement and description of the charge-carrier lifetime (tauc) is crucial for the wide-ranging applications of lead-halide perovskites. We present time-resolved microwave-detected photoconductivity decay (TRMCD) measurements and a…

Materials Science · Physics 2024-11-11 A. Bojtor , D. Krisztian , F. Korsos , S. Kollarics , G. Parada , M. Kollar , E. Horvath , X. Mettan , B. G. Markus , L. Forro , F. Simon

The electrodynamic properties of BiFeO$_3$ films in the THz region are investigated via time domain spectroscopy. Combining the use of transmission ($\tilde{T}$) and reflection ($\tilde{R}$) measurements under normal incidence, the…

Transparent and reflective objects in everyday environments pose significant challenges for depth sensors due to their unique visual properties, such as specular reflections and light transmission. These characteristics often lead to…

Robotics · Computer Science 2025-06-12 Guanghu Xie , Zhiduo Jiang , Yonglong Zhang , Yang Liu , Zongwu Xie , Baoshi Cao , Hong Liu

Knowledge of the material in the ATLAS inner tracking detector is crucial in understanding the reconstruction of charged-particle tracks, the performance of algorithms that identify jets containing b-hadrons and is also essential to reduce…

High Energy Physics - Experiment · Physics 2017-01-10 ATLAS Collaboration

Conventional LIDAR systems require hundreds or thousands of photon detections to form accurate depth and reflectivity images. Recent photon-efficient computational imaging methods are remarkably effective with only 1.0 to 3.0 detected…

Applications · Statistics 2019-11-13 Joshua Rapp , Vivek K Goyal

To meet the need for a high counting rate and high time resolution in future high-energy physics experiments, a prototype of a gas photodetector with an RPC structure was developed. Garfield++ simulated the detector's performance, and the…

Instrumentation and Detectors · Physics 2024-07-30 Yiding Zhao , D. Hu , M. Shao , Y. Zhou , S. Lv , Xiangqi Tian , Anqi Wang , Xueshen Lin , Hao Pang , Y. Suna

Charge carrier mobility and recombination determine the performance of many opto-electronic devices such as solar cells, sensors and light-emitting diodes. Understanding how these parameters change as a function of material choice, charge…

Applied Physics · Physics 2025-06-30 Markus Hußner , Carsten Deibel , Roderick Charles Ian MacKenzie

The upcoming SCALES (Slicer Combined with Array of Lenslets for Exoplanet Spectroscopy) instrument for W.M. Keck Observatory will enable new imaging and low-/mid-resolution coronagraphic integral field spectroscopic observations over the…

The coherence time, and thus sensitivity, of trapped atom interferometers that use non-degenerate gasses are limited by the collisions between the atoms. An analytic model that describes the effects of collisions between atoms in an…

Atomic Physics · Physics 2009-11-13 James A. Stickney , Matthew B. Squires , James Scoville , Paul Baker , Steven Miller

Depth cameras are a prominent perception system for robotics, especially when operating in natural unstructured environments. Industrial applications, however, typically involve reflective objects under harsh lighting conditions, a…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Yuri Feldman , Yoel Shapiro , Dotan Di Castro

The EDELWEISS-III direct dark matter search experiment uses cryogenic HP-Ge detectors Fully covered with Inter-Digitized electrodes (FID). They are operated at low fields ($<1\;\mathrm{V/cm}$), and as a consequence charge-carrier trapping…

Persistent homology provides information about the lifetime of homology classes along a filtration of cell complexes. Persistence barcode is a graphical representation of such information. A filtration might be determined by time in a set…

Computer Vision and Pattern Recognition · Computer Science 2018-01-04 Rocio Gonzalez-Diaz , Maria-Jose Jimenez , Belen Medrano

Ultra-cold atoms trapped in an optical dipole trap and prepared in a coherent superposition of their hyperfine ground states, decohere as they interact with their environment. We demonstrate than the loss in coherence in an "echo"…

Quantum Physics · Physics 2016-08-16 M. F. Andersen , A. Kaplan , T. Grünzweig , N. Davidson

Interfacial charge separation and recombination at heterojunctions of monolayer transition metal dichalcogenides (TMDCs) are of interest to two dimensional optoelectronic technologies. These processes can involve large changes in parallel…

Materials Science · Physics 2017-08-02 Haiming Zhu , Jue Wang , Zizhou Gong , Young Duck Kim , Martin Gustafsson , James Hone , Xiaoyang Zhu

Composite light-trapping structures offer a promising approach to achieving broadband absorption and high efficiency in thin-film solar cells (TFSCs) in order to accelerate sustainable energy solutions. As the leading material in thin-film…

Single-photon detectors are ``blind" after the detection of a photon, and thereafter display a characteristic recovery in efficiency, during which the number of undetected photons depends on the statistics of the incident light. We show how…

We show that doubly peaked electric fields are necessary to describe grazing-angle charge collection measurements of irradiated silicon pixel sensors. A model of irradiated silicon based upon two defect levels with opposite charge states…

When an X-ray area detector based on a single crystalline material, for instance, a state of the art hybrid pixel detector, is illuminated from a point source by monochromatic radiation, a pattern of lines appears which overlays the…

Instrumentation and Detectors · Physics 2014-08-01 Christian Gollwitzer , Michael Krumrey

One of the major challenges in realizing antiferromagnetic and superfluid phases in optical lattices is the ability to cool fermions. We determine constraints on the entropy for observing these phases in two-dimensional Hubbard models. We…

Quantum Gases · Physics 2015-05-13 Thereza Paiva , Richard Scalettar , Mohit Randeria , Nandini Trivedi

A method to improve the reconstruction of charged b-hadron decays is proposed that uses energy deposits left by the hadron in tracking detectors close to the production point. Performances are shown for different detector configurations and…

High Energy Physics - Experiment · Physics 2026-01-19 Francesco Dettori , Andrea Lampis , Mick Mulder , Gerco Onderwater , Daniele Provenzano , Maarten van Veghel