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Ion trap systems built upon microfabricated chips have emerged as a promising platform for quantum computing to achieve reproducible and scalable structures. However, photo-induced charging of materials in such chips can generate undesired…

Edge-TCT and charge collection measurements with passive test structures made in LFoundry 150 nm CMOS process on p-type substrate with initial resistivity of over 3 k$\Omega$cm are presented. Measurements were made before and after…

Instrumentation and Detectors · Physics 2018-08-01 I. Mandić , V. Cindro , A. Gorišek , B. Hiti , G. Kramberger , M. Zavrtanik , M. Mikuž , T. Hemperek

When Charge Coupled Devices are used for scientific observations, their dark signal is a hindrance. In their pristine state, most CCD pixels are `cool'; they exhibit low, quasi uniform dark current, which can be estimated and corrected for.…

Instrumentation and Methods for Astrophysics · Physics 2015-06-15 J. -F. Hochedez , C. Timmermans , A. Hauchecorne , M. Meftah

Thick fully depleted CCDs, while enabling wide spectral response, also present challenges in understanding the systematic errors due to 3D charge transport. This 2014 Workshop on Precision Astronomy with Fully Depleted CCDs covered progress…

Instrumentation and Methods for Astrophysics · Physics 2015-06-23 J. A. Tyson

Since the launch of ESA's Gaia satellite in December 2013, the 106 large-format scientific CCDs onboard have been operating at L2. Due to a combination of the high-precision measurement requirements of the mission and the predicted proton…

Instrumentation and Methods for Astrophysics · Physics 2016-12-21 Cian Crowley , Asier Abreu , Ralf Kohley , Thibaut Prod'homme , Thierry Beaufort

The soft X-ray imager (SXI) on the SMILE mission uses two large 4510x4510 back illuminated CCD370s to detect X-rays in the 0.2-2 keV range. These devices take heritage from the optical imaging PLATO mission CCD270s and have been optimised…

Instrumentation and Detectors · Physics 2022-10-26 S. Parsons , D. Hall , T. Buggey , A. Holland , P. Verhoeve

The charge collection properties in different particle sensor materials with respect to the shape of the generated signals, the electric field within the detector, the charge carrier mobility and the carrier lifetime are studied with the…

Instrumentation and Detectors · Physics 2009-11-11 Johannes Fink , Hans Krueger , Philipp Lodomez , Norbert Wermes

During the scheduled high luminosity upgrade of LHC, the world's largest particle physics accelerator at CERN, the position sensitive silicon detectors installed in the vertex and tracking part of the CMS experiment will face more intense…

Instrumentation and Detectors · Physics 2015-01-21 T. Peltola

A high-precision charge measurement can be achieved by the area integration of a digitized quasi-Gaussian signal after the signal passes through the shaper and analog-to-digital converter (ADC). The charge measurement contains an error due…

Instrumentation and Detectors · Physics 2019-09-26 Jiajin Zhang , Lei Zhao , Ruoshi Dong , Peipei Deng , Cong Ma , Jiaming Lu , Shubin Liu , Qi An

Topological crystalline insulators (TCIs) can exhibit unique, quantized electric phenomena such as fractional electric polarization and boundary-localized fractional charge. This quantized fractional charge is the generic observable for…

Mesoscale and Nanoscale Physics · Physics 2020-04-29 Christopher W. Peterson , Tianhe Li , Wentao Jiang , Taylor L. Hughes , Gaurav Bahl

The X-ray telescope on board the Swift satellite for gamma-ray burst astronomy has been exposed to the radiation of the space environment since launch in November 2004. Radiation causes damage to the detector, with the generation of dark…

In Charge Coupled Device (CCD) detectors the electrons excited upon absorption of a single x-ray photon quickly diffuse and generate charge-spots often larger than pixel dimensions. In the soft x-ray range this phenomenon drastically limits…

Instrumentation and Detectors · Physics 2014-10-08 Andrea Amorese , Greta Dellea , Lucio Braicovich , Giacomo Ghiringhelli

The TROPOMI-SWIR HgCdTe detector on the Sentinel-5 Precursor mission has been performing in-orbit measurements of molecular absorption in Earth's atmosphere since its launch in October 2017. In its polar orbit the detector is continuously…

We employ time-resolved optical reflectivity to investigate the ultrafast dynamics of the charge-transfer gap (CTG) in a parent cuprate compound Ca$_2$CuO$_2$Cl$_2$ (CCOC). We observe a persistent photoinduced red shift of the CTG that…

Strongly Correlated Electrons · Physics 2025-05-23 Haiyun Huang , Xiu Zhang , Junzhi Zhu , Jianfa Zhao , Lin Zhao , Yu-Xia Duan , Jian-Qiao Meng , X. J. Zhou , Changqing Jin , Haiyun Liu

Spontaneous photon scattering by an atomic qubit is a notable example of environment-induced error and is a fundamental limit to the fidelity of quantum operations. In the scattering process the qubit loses its distinctive and coherent…

Quantum Physics · Physics 2015-06-03 Nitzan Akerman , Shlomi Kotler , Yinnon Glickman , Roee Ozeri

A significant challenge in the field of object detection lies in the system's performance under non-ideal imaging conditions, such as rain, fog, low illumination, or raw Bayer images that lack ISP processing. Our study introduces "Feature…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Chuheng Wei , Guoyuan Wu , Matthew J. Barth

Interpixel capacitance (IPC) between adjacent pixels in hybridized arrays gives rise to an electrostatic cross talk. This cross talk causes MTF degradation and blurring of images or spectra collected using these devices. As pixel size is…

Instrumentation and Methods for Astrophysics · Physics 2019-12-19 Kevan Donlon , Zoran Ninkov , Stefi Baum

Image smear, produced by the shutter-less operation of frame transfer CCD detectors, can be detrimental for many imaging applications. Existing algorithms used to numerically remove smear, do not contemplate cases where intensity levels…

Instrumentation and Methods for Astrophysics · Physics 2016-04-06 Francisco A. Iglesias , Alex Feller , K. Nagaraju

We characterize the astrometric distortion at the edges of thick, fully-depleted CCDs in the lab using a bench-top simulation of LSST observing. By illuminating an array of forty thousand pinholes (30mu m diameter) at the object plane of a…

Instrumentation and Methods for Astrophysics · Physics 2015-07-13 Andrew Bradshaw , Craig Lage , Elodie Resseguie , J. A. Tyson

The 3.2 gigapixel LSST camera, an array of 189 thick fully-depleted CCDs, will repeatedly image the southern sky and accomplish a wide variety of science goals. However, its trove of tens of billions of object images implies stringent…

Instrumentation and Methods for Astrophysics · Physics 2018-08-03 Andrew K. Bradshaw , Craig Lage , J. Anthony Tyson