Continued developments in X-ray speed reading: fast, low noise readout for next-generation wide-field imagers

Posted by dbos MIT

Kavli Affiliate: Gregory Prigozhin | First 5 Authors: Sven Herrmann, Peter Orel, Tanmoy Chattopadhyay, Glenn Morris, Gregory Prigozhin | Summary: Future strategic X-ray astronomy missions will require unprecedentedly sensitive wide-field imagers providing high frame rates, low readout noise and excellent soft energy response. To meet these needs, our team is employing a multi-pronged approach to […]


Continue.. Continued developments in X-ray speed reading: fast, low noise readout for next-generation wide-field imagers

Continued developments in X-ray speed reading: fast, low noise readout for next-generation wide-field imagers

Posted by dbos MIT

Kavli Affiliate: Gregory Prigozhin | First 5 Authors: Sven Herrmann, Peter Orel, Tanmoy Chattopadhyay, Glenn Morris, Gregory Prigozhin | Summary: Future strategic X-ray astronomy missions will require unprecedentedly sensitive wide-field imagers providing high frame rates, low readout noise and excellent soft energy response. To meet these needs, our team is employing a multi-pronged approach to […]


Continue.. Continued developments in X-ray speed reading: fast, low noise readout for next-generation wide-field imagers

X-ray speed reading with the MCRC: prototype success and next generation upgrades

Posted by dbos Stanford

Kavli Affiliate: Sven Herrmann | First 5 Authors: Peter Orel, Abigail Y. Pan, Sven Herrmann, Tanmoy Chattopadhyay, Glenn Morris | Summary: The Advanced X-ray Imaging Satellite (AXIS) is a NASA probe class mission concept designed to deliver arcsecond resolution with an effective area ten times that of Chandra (at launch). The AXIS focal plane features […]


Continue.. X-ray speed reading with the MCRC: prototype success and next generation upgrades

X-ray speed reading with the MCRC: prototype success and next generation upgrades

Posted by dbos Stanford

Kavli Affiliate: Sven Herrmann | First 5 Authors: Peter Orel, Abigail Y. Pan, Sven Herrmann, Tanmoy Chattopadhyay, Glenn Morris | Summary: The Advanced X-ray Imaging Satellite (AXIS) is a NASA probe class mission concept designed to deliver arcsecond resolution with an effective area ten times that of Chandra (at launch). The AXIS focal plane features […]


Continue.. X-ray speed reading with the MCRC: prototype success and next generation upgrades

X-ray speed reading with the MCRC: prototype success and next generation upgrades

Posted by dbos Stanford

Kavli Affiliate: Sven Herrmann | First 5 Authors: Peter Orel, Abigail Y. Pan, Sven Herrmann, Tanmoy Chattopadhyay, Glenn Morris | Summary: The Advanced X-ray Imaging Satellite (AXIS) is a NASA probe class mission concept designed to deliver arcsecond resolution with an effective area ten times that of Chandra (at launch). The AXIS focal plane features […]


Continue.. X-ray speed reading with the MCRC: prototype success and next generation upgrades

The XOC X-ray Beamline: Probing Colder, Quieter, and Softer

Posted by dbos Stanford

Kavli Affiliate: Sven C. Herrmann | First 5 Authors: Haley R. Stueber, Tanmoy Chattopadhyay, Sven C. Herrmann, Peter Orel, Tsion Gebre | Summary: Future strategic X-ray satellite telescopes, such as the probe-class Advanced X-ray Imaging Satellite (AXIS), will require excellent soft energy response in their imaging detectors to enable maximum discovery potential. In order to […]


Continue.. The XOC X-ray Beamline: Probing Colder, Quieter, and Softer

Demonstrating sub-electron noise performance in Single electron Sensitive Readout (SiSeRO) devices

Posted by dbos MIT

Kavli Affiliate: Gregory Prigozhin | First 5 Authors: Tanmoy Chattopadhyay, Sven Herrmann, Peter Orel, Kevan Donlon, Steven W. Allen | Summary: Single electron Sensitive Read Out (SiSeRO) is a novel on-chip charge detection technology that can, in principle, provide significantly greater responsivity and improved noise performance than traditional charge coupled device (CCD) readout circuitry. The […]


Continue.. Demonstrating sub-electron noise performance in Single electron Sensitive Readout (SiSeRO) devices

Demonstrating sub-electron noise performance in Single electron Sensitive Readout (SiSeRO) devices

Posted by dbos Stanford

Kavli Affiliate: Daniel R. Wilkins | First 5 Authors: Tanmoy Chattopadhyay, Sven Herrmann, Peter Orel, Kevan Donlon, Steven W. Allen | Summary: Single electron Sensitive Read Out (SiSeRO) is a novel on-chip charge detection technology that can, in principle, provide significantly greater responsivity and improved noise performance than traditional charge coupled device (CCD) readout circuitry. […]


Continue.. Demonstrating sub-electron noise performance in Single electron Sensitive Readout (SiSeRO) devices

Stimulation of locus coeruleus inputs to the frontal cortex in mice induces cell type-specific expression of the Apoe gene

Posted by dbos Hopkins

Kavli Affiliate: Keri Martinowich | Authors: Genevieve E Craig, Lizbeth Ramos, Samuel R Essig, Nicholas J Eagles, Andrew E Jaffe, Keri Martinowich and Henry L Hallock | Summary: Deficits in attention are common across a range of neuropsychiatric disorders. A multitude of brain regions, including the frontal cortex (FC) and locus coeruleus (LC), have been […]


Continue.. Stimulation of locus coeruleus inputs to the frontal cortex in mice induces cell type-specific expression of the Apoe gene

A Faster Branching Algorithm for the Maximum $k$-Defective Clique Problem

Posted by dbos UCAS

Kavli Affiliate: Yi Zhou | First 5 Authors: Chunyu Luo, Yi Zhou, Zhengren Wang, Mingyu Xiao, | Summary: A $k$-defective clique of an undirected graph $G$ is a subset of its vertices that induces a nearly complete graph with a maximum of $k$ missing edges. The maximum $k$-defective clique problem, which asks for the largest […]


Continue.. A Faster Branching Algorithm for the Maximum $k$-Defective Clique Problem