Currently browsing: Items authored or edited by Konstantin Stefanov https://orcid.org/0000-0001-8412-3726

82 items in this list.
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2024To Top

Buggey, Thomas W.; Hubbard, Michael W.J; Stefanov, Konstantin; Holland, Andrew D. and Hall, David J. (2024). CMOS image sensors for x-ray interferometry. In: Proc. SPIE 13103, X-Ray, Optical, and Infrared Detectors for Astronomy XI (Holland, Andrew D. and Minoglou, Kyriaki eds.), SPIE, article no. 131030A.

Stefanov, Konstantin D. and Buggey, Thomas W. (2024). Transfer gate effects on the dark current in pinned photodiode image sensors. In: X-Ray, Optical, and Infrared Detectors for Astronomy XI (Holland, Andrew D. and Minoglou, Kyriaki eds.), SPIE, 13103, article no. 131030T.

Mulvey, J.; Allport, P.; Ball, K.; Bortoletto, D.; Gazi, M.; Glover, J.; Gonella, L.; Jordan, D.; McMahon, S.; Plackett, R.; Stefanov, K.; Villani, E. G. and Watkins, M. (2024). Timing and gain performance of Teledyne e2v’s LGADs before and after irradiation. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1066, article no. 169545.

Townsend-Rose, Charles; Buggey, Thomas; Ivory, James; Stefanov, Konstantin D. and Holland, Andrew D. (2024). Ionising radiation effects in a soft X-ray CMOS image sensor. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1059, article no. 169011.

Ivory, James M.; Smith, Phillipa; Skottfelt, Jesper M.; Stefanov, Konstantin D.; Buggey, Thomas W.; Prod'Homme, Thibaut and Hall, David J. (2024). Assessing the suitability of CIS220 for low light astronomy. In: Proc. SPIE 13103, X-Ray, Optical, and Infrared Detectors for Astronomy XI, 131031I, 16-19 Jun 2024, Yokohama, Japan.

2023To Top

Setälä, Olli E.; Prest, Martin J.; Stefanov, Konstantin D.; Jordan, Douglas; Soman, Matthew R.; Vähänissi, Ville and Savin, Hele (2023). CMOS Image Sensor for Broad Spectral Range with >90% Quantum Efficiency. Small, 19(47), article no. 2304001.

Prest, Martin J.; Setälä, Olli; Stefanov, Konstantin D.; Vähänissi, Ville; Savin, Hele and Jordan, Douglas (2023). Improved QE in CMOS image sensors with nano-black antireflection layer. In: 2023 International Image Sensor Workshop, 21-25 May 2023, Crieff, Scotland.

2022To Top

Stefanov, Konstantin and Holland, Andrew (2022). CMOS Active Pixel Sensors. In: Bambi, Cosimo and Santangelo, Andrea eds. Handbook of X-ray and Gamma-ray Astrophysics. Handbook of X-ray and Gamma-ray Astrophysics. Singapore: Springer, pp. 1–26.

Wocial, Thomas; Stefanov, Konstantin D.; Martin, William E.; Barnes, John R. and Jones, Hugh R.A. (2022). A Method to Achieve High Dynamic Range in a CMOS Image Sensor Using Interleaved Row Readout. IEEE Sensors Journal, 22(22) pp. 21619–21627.

Mulvey, J.; Allport, P.; Bell, R.; Bortoletto, D.; Gazi, M.; Gonella, L.; Jordan, D.; Kopsalis, I.; McMahon, S.; Plackett, R.; Stefanov, K.; Villani, E.G. and Watkins, M. (2022). Preliminary test results of LGADs from Teledyne e2v for the LHC’s High-Luminosity upgrade. Journal of Instrumentation, 17(October), article no. C10001.

Allport, P.; Bortoletto, D.; Gazi, M.; Gonella, L.; Hynds, D.; Jordan, D.; Kopsalis, I.; McMahon, S.; Mulvey, J.; Plackett, R.; Stefanov, K. and Villani, E. G. (2022). Low Gain Avalanche Detector development for the LHC’s High-Luminosity Upgrade at Teledyne e2v. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, article no. 166876.

Stefanov, Konstantin; Townsend-Rose, Charles; Buggey, Thomas; Ivory, James; Hetherington, Oliver; Holland, Andrew; Heymes, Julian; Pratlong, Jérôme; Tsiolis, Georgios; Morris, David; Minoglou, Kyriaki; Prod'homme, Thibaut and Soman, Matthew (2022). A CMOS image sensor for soft x-ray astronomy. In: Proceedings Volume 12191, X-Ray, Optical, and Infrared Detectors for Astronomy X (Holland, Andrew and Beletic, James eds.), Montreal, article no. 121910N.

2021To Top

Stefanov, Konstantin (2021). Imaging device. Teledyne UK Limited, EP 3840366 A1.

2020To Top

Ivory, James; Stefanov, Konstantin D. and Holland, Andrew D. (2020). Mitigating charge spill-back induced image lag with a multi-level transfer gate pulse in PPD image sensors. In: X-Ray, Optical, and Infrared Detectors for Astronomy IX (Holland, Andrew D. and Beletic, James eds.), Proceedings of SPIE, SPIE, Bellingham, WA.

Jerram, P. and Stefanov, K. (2020). CMOS and CCD image sensors for space applications. In: Durini, Daniel ed. High Performance Silicon Imaging (Second Edition): Fundamentals and Applications of CMOS and CCD Sensors. Woodhead Publishing Series in Electronic and Optical Materials. Woodhead Publishing, pp. 255–287.

Heymes, Julian; Stefanov, Konstantin; Soman, Matthew; Gorret, Davide; Hall, David; Minoglou, Kyriaki; Morris, David; Pratlong, Jérôme; Prod'homme, Thibaut; Tsiolis, Georgios and Holland, Andrew (2020). Development of a photon-counting near-fano-limited x-ray CMOS image sensor for THESEUS' SXI. In: X-Ray, Optical, and Infrared Detectors for Astronomy IX (Holland, Andrew and Beletic, James eds.), article no. 114540I.

2019To Top

Meng, Xiao; Stefanov, Konstantin; Holland, Michael and Holland, Andrew (2019). Radiation Hardness Study on a Fully Depleted Pinned Photodiode CMOS Image Sensor. In: 2019 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), pp. 1–2.

2018To Top

Lofthouse-Smith, D.-D.; Soman, M. R.; Allanwood, E. A. H.; Stefanov, K. D.; Holland, A. D.; Leese, M. and Turner, P. (2018). Image lag optimisation in a 4T CMOS image sensor for the JANUS camera on ESA's JUICE mission to Jupiter. In: SPIE Proceedings Vol. 10709: High Energy, Optical, and Infrared Detectors for Astronomy VIII (Holland, Andrew D. and Beletic, James eds.).

Ivory, James M.; Stefanov, Konstantin D.; Turner, Peter and Holland, Andrew D. (2018). PSF and non-uniformity in a monolithic, fully depleted, 4T CMOS image sensor. In: High Energy, Optical, and Infrared Detectors for Astronomy VIII, Proceedings, Society of Photo-Optical Instrumentation Engineers, article no. 1070928 (2018).

Mackay, C.; Dominik, M.; Steele, I. A.; Snodgrass, C.; Jørgensen, U. G.; Skottfelt, J.; Stefanov, K.; Carry, B.; Braga-Ribas, F.; Doressoundiram, A.; Ivanov, V. D.; Gandhi, P.; Evans, D. F.; Hundertmark, M.; Serjeant, S. and Ortolani, S. (2018). GravityCam: Wide-field high-resolution high-cadence imaging surveys in the visible from the ground. Publications of the Astronomical Society of Australia, 35 pp. 1–18.

2017To Top

Stefanov, Konstantin and Holland, Andrew (2017). Image Sensor. Teledyne E2V (Uk) Limited, WO 2017/191475 A1.

Wood, Daniel; Hall, David; Gow, Jason; Murray, Neil; Stefanov, Konstantin and Holland, Andrew (2017). Evolution of proton-induced defects in a cryogenically irradiated p-channel CCD. In: 2016 16th European Conference on Radiation and Its Effects on Components and Systems (RADECS), IEEE, Piscataway, NJ.

Jerram, Paul and Stefanov, Konstantin (2017). Image Sensor. Teledyne E2V (Uk) Limited, WO 2017/178629 A1.

Jorden, P. R.; Jerram, P. A.; Fryer, M. and Stefanov, K. D. (2017). e2v CMOS and CCD sensors and systems for astronomy. In: Journal of Instrumentation, 12(7), article no. C07008.

2016To Top

Rushton, Joseph E.; Stefanov, Konstantin D.; Holland, Andrew D.; Bugnet, Henri; Mayer, Frederic; Cordrey-Gale, Matthew and Endicott, James (2016). Single event effects in 0.18 μm CMOS image sensors. In: High Energy, Optical, and Infrared Detectors for Astronomy VII, SPIE Proceedings, SPIE Digital Library, article no. 99152Q.

Dryer, B.; Smith, P.; Nuns, T.; Murray, N.; Stefanov, K. D.; Gow, J. P. D.; Burgon, R.; Hall, D. J. and Holland, A. D. (2016). Validation of NIEL for >1MeV electrons in silicon using the CCD47-20. In: High Energy, Optical, and Infrared Detectors for Astronomy VII, Proceedings of SPIE, SPIE, Bellingham, WA, article no. 9915-99.

Dunford, Alice; Stefanov, Konstantin and Holland, Andrew (2016). Low Voltage Electron Multiplying CCD in a CMOS Process. In: Proc. SPIE 9915, High Energy, Optical, and Infrared Detectors for Astronomy VII, 99152Y.

Stefanov, Konstantin D.; Clarke, Andrew S. and Holland, Andrew D. (2016). Fully depleted and backside biased monolithic CMOS image sensor. In: High Energy, Optical, and Infrared Detectors for Astronomy VII (Holland, Andrew D. and Beletic, James eds.), p. 991513.

2015To Top

Stefanov, Konstantin D.; Dryer, Ben. J.; Hall, David J.; Holland, Andrew D.; Pratlong, Jérôme; Fryer, Martin and Pike, Andrew (2015). A global shutter CMOS image sensor for hyperspectral imaging. In: Proceedings of SPIE, Society of Photo-Optical Instrumentation Engineers (SPIE), 9602, article no. 96020K.

Stefanov, Konstantin (2015). CMOS image sensor. E2V Technologies (UK) Limited, EP2919270 A1.

Soman, M. R.; Allanwood, E. A. H.; Holland, A. D.; Winstone, G. P.; Gow, J. P. D.; Stefanov, K. and Leese, M. (2015). Proton irradiation of the CIS115 for the JUICE mission. In: Proceedings - SPIE the International Society for Optical Engineering, 9602, article no. 96020O.

2014To Top

Soman, Matthew; Holland, Andrew; Stefanov, Konstantin; Gow, Jason; Leese, Mark; Pratlong, Jérôme and Turner, Peter (2014). Design and characterisation of the new CIS115 sensor for JANUS, the high resolution camera on JUICE. In: High Energy, Optical, and Infrared Detectors for Astronomy VI, article no. 915407.

2013To Top

Stefanov, Konstantin D.; Zhang, Zhige; Damerell, Chris; Burt, David and Kar-Roy, Arjun (2013). Performance of deep-depletion buried-channel n-MOSFETs for CMOS image sensors. IEEE Transactions on Electron Devices, 60(12) pp. 4173–4179.

Stefanov, Konstantin D.; Zhang, Zhige; Damerell, Chris; Burt, David and Kar-Roy, Arjun (2013). Performance of buried channel n-type MOSFETs in 0.18-μm CMOS image sensor process. In: UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XVIII, SPIE, article no. 8859-17.

Bourilkov, Jordan; Specht, Steven; Coronado, Sergio; Stefanov, Konstantin and Ayoz, Suat (2013). Smart power source. The Gillette Company, WO 2013/101652 A1.

Colby, Edward; Storkey, Matthew; Healy, David and Stefanov, Konstantin (2013). Sensor Signal Sampling. Sentec Ltd., Cambridge, UK, US 2013/0118271 A1.

Allanwood, Edgar A. H.; Murray, Neil J.; Stefanov, Konstantin D.; Burt, David J. and Holland, Andrew D. (2013). Point-spread function and photon transfer of a CCD for space-based astronomy. In: UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts VI, SPIE, article no. 8860-18.

Greig, Thomas; Stefanov, Konstantin; Holland, Andrew; Clarke, Andrew; Burt, David and Gow, Jason (2013). Total ionizing dose effects on I-V and noise characteristics of MOS transistors in a 0.18 μm CMOS Image Sensor process. In: 2013 14th European Conference on Radiation and Its Effects on Components and Systems (RADECS).

2011To Top

Ballin, J. A.; Coath, R.; Crooks, J. P.; Dauncey, P. D.; Magnan, A. -M.; Mikami, Y.; Miller, O. D.; Noy, M.; Rajovic, V.; Stanitzki, M.; Stefanov, K. D.; Turchetta, R.; Tyndel, M.; Villani, E. G.; Watson, N. K.; Wilson, J. A. and Zhang, Z. (2011). Design and performance of a CMOS study sensor for a binary readout electromagnetic calorimeter. Journal of Instrumentation, 6(5), article no. P05009.

2010To Top

Damerell, C.; Zhang, Z.; John, J. J.; Li, Y.; Nomerotski, A.; Holland, A.; Seabroke, G.; Havranek, M.; Stefanov, K.; Kar-roy, A.; Bell, R.; Burt, D. and Pool, P. (2010). First results with prototype ISIS devices for ILC vertex detector. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 624(2) pp. 465–469.

Banda, Y.; Coulter, P.; Cussans, D.; Damerell, C.; Devetak, E.; Fopma, J.; Foster, B.; Frost, R.; Gao, R.; Goldstein, J.; Greenshaw, T.; Harder, K.; Hawes, B.; Hillert, S.; Jeffery, B.; John, J. J.; Kundu, N.; Li, Y.; Murray, P.; Nomerotski, A.; Perry, C.; Stefanov, K.; Thomas, S.; Velthuis, J.; Woolliscroft, T.; Worm, S.; Yow, J. and Zhang, Z. (2010). Design and performance of improved Column Parallel CCD, CPC2. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 621(1-3) pp. 192–204.

2009To Top

Havranek, M.; Murray, P.; Stefanov, K.; Thomas, S.; Damerell, C.; Fopma, J.; Goldstein, J.; Greenshaw, T.; Hawes, B.; Nomerotski, A.; Woolliscroft, T.; Worm, S. and Zhang, Z. (2009). Readout chip for Column Parallel CCD, CPR2A. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 607(3) pp. 640–647.

Zhang, Z.; Stefanov, K. D.; Bailey, D.; Banda, Y.; Buttar, C.; Cheplakov, A.; Cussans, D.; Damerell, C.; Devetak, E.; Fopma, J.; Foster, B.; Gao, R.; Gillman, A.; Goldstein, J.; Greenshaw, T.; Grimes, M.; Halsall, R.; Harder, K.; Hawes, B.; Hayrapetyan, K.; Heath, H.; Hillert, S.; Jackson, D.; Pinto Jayawardena, T.; Jeffery, B.; John, J.; Johnson, E.; Kundu, N.; Laing, A.; Lastovicka, T.; Lau, W.; Lintern, A.; Lynch, C.; Mandry, S.; Martin, V.; Murray, P.; Nichols, A.; Nomerotski, A.; Page, R.; Parkes, C.; Perry, C.; O'Shea, V.; Sopczak, A.; Tabassam, H.; Tikkanen, T.; Velthuis, J.; Walsh, R.; Woolliscroft, T. and Worm, S. (2009). Charge shielding in the In-situ Storage Image Sensor for a vertex detector at the ILC. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 607(3) pp. 538–543.

Sopczak, André; Aoulmit, Salim; Bekhouche, Khaled; Bowdery, Chris; Buttar, Craig; Damerell, Chris; Djendaoui, Dahmane; Dehimi, Lakhdar; Greenshaw, Tim; Koziel, Michal; Maneuski, Dzmitry; Nomerotski, Andrei; Stefanov, Konstantin; Tikkanen, Tuomo; Woolliscroft, Tim and Worm, Steve (2009). Modeling of charge transfer inefficiency in a CCD with high-speed column parallel readout. IEEE Transactions on Nuclear Science, 56(3) pp. 1613–1617.

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