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The uncertainty in the photometric redshift estimation is one of the major systematics in weak lensing cosmology. The self-calibration method is able to reduce this systematics without assuming strong priors. We improve the recently…

Cosmology and Nongalactic Astrophysics · Physics 2022-10-07 Hui Peng , Haojie Xu , Le Zhang , Zhao Chen , Yu Yu

In gate-defined quantum dot systems, the conductance change of electrostatically coupled sensor dots allows the observation of the quantum dots' charge and spin states. Therefore, the sensor dot must be optimally sensitive to changes in its…

Mesoscale and Nanoscale Physics · Physics 2025-08-12 Fabian Hader , Jan Vogelbruch , Simon Humpohl , Tobias Hangleiter , Chimezie Eguzo , Stefan Heinen , Stefanie Meyer , Stefan van Waasen

We find four-dimensional de Sitter (dS) vacuum solutions on probe D-branes which nucleate in an asymptotically $\text{AdS}_5\times T^{1,1}$ background, including stringy corrections. A sufficiently high chemical potential induced by the…

High Energy Physics - Theory · Physics 2025-04-02 Cao H. Nam

For the first time, a CAOS (i.e., Coded Access Optical Sensor) spectrometer is demonstrated. The design implemented uses a reflective diffraction grating and a time-frequency CAOS mode operations Digital Micromirror Device (DMD) in…

Signal Processing · Electrical Eng. & Systems 2020-12-30 Mohsin A. Mazhar , Nabeel A. Riza

Reflection measurements give access to the complex impedance of a material on a wide frequency range. This is of interest to study the dynamical properties of various materials, for instance disordered superconductors. However reflection…

Instrumentation and Detectors · Physics 2015-06-17 P. Diener , F. Couëdo , C. Marrache-Kikuchi , M. Aprili , J. Gabelli

Despite their impressive predictive performance in various computer vision tasks, deep neural networks (DNNs) tend to make overly confident predictions, which hinders their widespread use in safety-critical applications. While there have…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Teodora Popordanoska , Aleksei Tiulpin , Matthew B. Blaschko

A laboratory set-up has been developed to more precisely measure the DOM optical sensitivity as a function of angle and wavelength. DOMs are calibrated in water using a broad beam of light whose intensity is measured with a NIST calibrated…

Instrumentation and Detectors · Physics 2015-11-10 Wouter Van De Pontseele

Pulsed UV lasers can provide useful "testbeams" for observatories that use optical detectors, especially fluorescence detectors, to measure high energy cosmic-rays. The light observed by the detector is proportional to the energy of the…

Instrumentation and Methods for Astrophysics · Physics 2011-05-23 Lawrence Wiencke , Fernando Arqueros , John Compton , Maria Monasor , David Pilger , Jaime Rosado

We present measurements of the capacitive coupling energy and the inter-dot capacitances in a linear quadruple quantum dot array in undoped Si/SiGe. With the device tuned to a regime of strong ($>$1 GHz) intra-double dot tunnel coupling, as…

In the context of the Large Binocular Telescope project, we present the results of force actuator calibrations performed on an adaptive secondary prototype called P45, a thin deformable glass with magnets glued onto its back.…

Instrumentation and Methods for Astrophysics · Physics 2009-07-03 Davide Ricci , Armando Riccardi , Daniela Zanotti

Quantum dot (QD) lay-outs are becoming more complex as the technology is being applied to more complex multi-QD structures. This increase in complexity requires improved capacitance modeling both for design and accurate interpretation of QD…

DarkSide-20k will be the next liquid argon TPC built to perform direct search for dark matter under the form of WIMPs. Its calibration to both signal and backgrounds is key as very few events are expected in WIMPs search. In the following…

High Energy Physics - Experiment · Physics 2023-11-15 Marie van Uffelen

The Dice similarity coefficient (DSC) is both a widely used metric and loss function for biomedical image segmentation due to its robustness to class imbalance. However, it is well known that the DSC loss is poorly calibrated, resulting in…

Image and Video Processing · Electrical Eng. & Systems 2022-11-02 Michael Yeung , Leonardo Rundo , Yang Nan , Evis Sala , Carola-Bibiane Schönlieb , Guang Yang

Precision luminosity measurements are essential to determine the fundamental properties of the physics processes at the LHC. The estimation of the integrated luminosity at the CMS experiment requires absolute scale calibration of the…

High Energy Physics - Experiment · Physics 2024-01-22 Attila József Rádl

A method for the calibration of a Silicon Position Sensitive Detector is described. From the combination of the signals collected at the ends of the resistive electrode, energy and angle of the hitting particle are reconstructed with a…

Nuclear Experiment · Physics 2007-05-23 V. Ostashko , A. Tumino , S. Romano

Pulse distortion, as one of the coherent error sources, hinders the characterization and control of qubits. In the semiconductor quantum dot system, the distortions on measurement pulses and control pulses disturb the experimental results,…

Mesoscale and Nanoscale Physics · Physics 2025-06-24 Ming Ni , Rong-Long Ma , Zhen-Zhen Kong , Ning Chu , Wei-Zhu Liao , Sheng-Kai Zhu , Chu Wang , Gang Luo , Di Liu , Gang Cao , Gui-Lei Wang , Hai-Ou Li , Guo-Ping Guo

Colloidal probes are often used in force microscopy when the geometry of the tip-sample interaction should be well controlled. Their calibration requires the understanding of their mechanical response, which is very sensitive to the details…

Instrumentation and Detectors · Physics 2024-03-08 Aubin Archambault , Caroline Crauste-Thibierge , Ludovic Bellon

A class of Actively Calibrated Line Mounted Capacitive Voltage Transducers (LMCVT) are introduced as a viable line mountable instrumentation option for deploying large numbers of voltage transducers onto the medium and high voltage systems.…

Instrumentation and Detectors · Physics 2017-01-27 Raffi Sevlian , Ram Rajagopal

Comparators are utilised by Nyquist-rate and oversampling analog to digital converters (ADCs) to accomplish quantization and perhaps sampling. Thus, comparators have a substantial effect on the speed and accuracy of ADCs. This study…

Instrumentation and Detectors · Physics 2022-10-26 Sounak Dutta

For proper cave surveying using DistoX, the device needs to be calibrated with adequate accuracy. Calibrating does not require any tools; but, tools to make calibration easier have been developed. Theoretical consideration shows that the…

Geophysics · Physics 2021-06-04 Matija Perne