Search Results - "Stefanov, Konstantin"

Pinned Photodiode Imaging Pixel With Floating Gate Readout and Dual Gain by Stefanov, Konstantin D., Prest, Martin J.

“…We present an imaging pixel featuring dual conversion gain in a single exposure based on the pinned photodiode (PPD). The signal charge is first converted to…”
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Design and Performance of a Pinned Photodiode CMOS Image Sensor Using Reverse Substrate Bias by Stefanov, Konstantin D, Clarke, Andrew S, Ivory, James, Holland, Andrew D

“…A new pinned photodiode (PPD) CMOS image sensor with reverse biased p-type substrate has been developed and characterized. The sensor uses traditional PPDs…”
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CMOS Image Sensor for Broad Spectral Range with >90% Quantum Efficiency by Setälä, Olli E, Prest, Martin J, Stefanov, Konstantin D, Jordan, Douglas, Soman, Matthew R, Vähänissi, Ville, Savin, Hele

“…Even though the recent progress made in complementary metal-oxide-semiconductor (CMOS) image sensors (CIS) has enabled numerous applications affecting our…”
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Proton and Gamma Radiation Effects on a Fully Depleted Pinned Photodiode CMOS Image Sensor by Meng, Xiao, Stefanov, Konstantin D., Holland, Andrew D.

“…The radiation hardness of a fully depleted pinned photodiode (PPD) CMOS image sensor (CIS) has been evaluated with gamma and proton irradiations. The sensors…”
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Simulations and Design of a Single-Photon CMOS Imaging Pixel Using Multiple Non-Destructive Signal Sampling by Stefanov, Konstantin D, Prest, Martin J, Downing, Mark, George, Elizabeth, Bezawada, Naidu, Holland, Andrew D

“…A single-photon CMOS image sensor (CIS) design based on pinned photodiode (PPD) with multiple charge transfers and sampling is described. In the proposed pixel…”
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A Method to Achieve High Dynamic Range in a CMOS Image Sensor Using Interleaved Row Readout by Wocial, Thomas, Stefanov, Konstantin D., Martin, William E., Barnes, John R., Jones, Hugh R. A.

“…We present a readout scheme for CMOS image sensors that can be used to achieve arbitrarily high dynamic range (HDR) in principle. The linear full well capacity…”
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Performance of Deep-Depletion Buried-Channel n -MOSFETs for CMOS Image Sensors by Stefanov, Konstantin D., Zhige Zhang, Damerell, Chris, Burt, David, Kar-Roy, Arjun

“…Buried-channel (BC) MOSFETs are known to have better noise performance than their surface-channel (SC) counterparts when used as a source follower in modern…”
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Monolithic Active Pixel Sensors (MAPS) in a Quadruple Well Technology for Nearly 100% Fill Factor and Full CMOS Pixels by Ballin, Jamie Alexander, Crooks, Jamie Phillip, Dauncey, Paul Dominic, Magnan, Anne-Marie, Mikami, Yoshiari, Miller, Owen Daniel, Noy, Matthew, Rajovic, Vladimir, Stanitzki, Marcel, Stefanov, Konstantin, Turchetta, Renato, Tyndel, Mike, Villani, Enrico Giulio, Watson, Nigel Keith, Wilson, John Allan

“…In this paper we present a novel, quadruple well process developed in a modern 0.18 mm CMOS technology called INMAPS. On top of the standard process, we have…”
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A Statistical Model for Signal-Dependent Charge Sharing in Image Sensors by Stefanov, Konstantin D.

“…A Monte Carlo model based on the signal-dependent charge sharing mechanism during charge collection has been developed to explain the nonlinearity of the…”
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Ionising radiation effects in a soft X-ray CMOS image sensor by Townsend-Rose, Charles, Buggey, Thomas, Ivory, James, Stefanov, Konstantin D., Holland, Andrew D.

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Radiation Hardness Study on a Fully Depleted Pinned Photodiode CMOS Image Sensor by Meng, Xiao, Stefanov, Konstantin D., Holland, Michael A., Holland, Andrew D.

“…The radiation hardness of a fully depleted Pinned Photodiode (PPD) CMOS image sensor (CIS) has been evaluated with gamma and proton irradiations. The sensors…”
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Fully Depleted Pinned Photodiode CMOS Image Sensor With Reverse Substrate Bias by Stefanov, Konstantin D., Clarke, Andrew S., Holland, Andrew D.

“…A new pixel design using fully depleted pinned photodiode (PPD) in a 180-nm CMOS image sensor (CIS) process has been developed and the first experimental…”
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Electron Multiplying Low-Voltage CCD With Increased Gain by Stefanov, Konstantin D., Dunford, Alice, Holland, Andrew D.

“…Novel designs for the gain elements in electron multiplying (EM) charge-coupled devices (CCDs) have been implemented in a device manufactured in a low-voltage…”
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Distributed Modular Monitoring (DiMMon) Approach to Supercomputer Monitoring by Stefanov, Konstantin, Voevodin, Vladimir

“…In this work we propose a design for a new distributed modular monitoring system framework, which allows combining both monitoring tasks (supercomputer health…”
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Evolution and Impact of Defects in a p-Channel CCD After Cryogenic Proton-Irradiation by Wood, Daniel, Hall, David J., Gow, Jason, Skottfelt, Jesper, Murray, Neil J., Stefanov, Konstantin, Holland, Andrew D.

“…The p-channel charge coupled devices (CCDs) have been shown to display improved tolerance to radiation-induced charge transfer inefficiency when compared with…”
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A Review of Supercomputer Performance Monitoring Systems

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CCD-based vertex detector for ILC by Stefanov, Konstantin D.

“…Charge Coupled Devices (CCDs) have been successfully used in several high-energy physics experiments over the last 20 years. Their small pixel size and…”
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Analysis of CPU Usage Data Properties and their possible impact on Performance Monitoring

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CCD developments for particle colliders by Stefanov, Konstantin D.

“…Charge Coupled Devices (CCDs) have been successfully used in several high-energy physics experiments over the last 20 years. Their small pixel size and…”
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Measurements of Charge Transfer Inefficiency in a CCD With High-Speed Column Parallel Readout by Sopczak, A., Bekhouche, K., Damerell, C., Greenshaw, T., Koziel, M., Stefanov, K., Tikkanen, T., Woolliscroft, T., Worm, S.

“…Charge Coupled Devices (CCDs) have been successfully used in several high energy physics experiments over the past two decades. Their high spatial resolution…”
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