Dr. Alexandru Nedelcu Profile

Dr. Alexandru Nedelcu

at LYNRED

SPIE Involvement:

Author

Publications (29)

Proceedings Article | 9 October 2019 Presentation + Paper

Radiation-induced degradation of optoelectronic sensors

C. Inguimbert, T. Nuns, D. Hervé, A. Vriet, J. Barbero, J. Moreno, A. Nedelcu, S. Ducret, O. Saint-Pé, F. Larnaudie, O. Gilard, C. Aicardi

Proceedings Volume 11159, 111590N (2019) https://doi.org/10.1117/12.2532289

KEYWORDS: Photodiodes, Particles, Indium gallium arsenide, Light emitting diodes, Satellites, Gallium arsenide, Silicon, Space operations, Optoelectronic devices, Image sensors

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Proceedings Article | 7 May 2019 Paper

The lowest cost and smallest footprint VGA SWIR detector with high performance

S. Frasse-Sombet, T. Colin, C. Bonvalot, J. Fantini, A. Nedelcu, J. Coussement, J. Dupuy, P. Garabédian, Y. Daultier, L. Rubaldo, S. Pelletier

Proceedings Volume 11002, 1100215 (2019) https://doi.org/10.1117/12.2522104

KEYWORDS: Sensors, Indium gallium arsenide, Short wave infrared radiation, Staring arrays, Nonuniformity corrections, Diffusion, Image quality, Photodiodes, Cameras, Sensor performance

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Proceedings Article | 21 November 2017 Open Access

Enhanced broadband (11-15 µm) QWIP FPAs for space applications

Alexandru Nedelcu, Nadia de l'Isle, Jean-Patrick Truffer, Eric Belhaire, Eric Costard, Philippe Bois, Patrick Merken, Olivier Saint-Pé

Proceedings Volume 10566, 105662T (2017) https://doi.org/10.1117/12.2308223

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Proceedings Article | 8 February 2015 Paper

MWIR InSb detector with nBn architecture for high operating temperature

J.-P. Perez, A. Evirgen, J. Abautret, P. Christol, A. Cordat, A. Nedelcu

Proceedings Volume 9370, 93700N (2015) https://doi.org/10.1117/12.2076141

KEYWORDS: Sensors, Photodetectors, Mid-IR, Electrons, PIN photodiodes, Tellurium, Diodes, Aluminum, Molecular beam epitaxy, Crystals

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Proceedings Article | 31 January 2014 Paper

InSb photodetectors with PIN and nBn designs

A. Evirgen, J. Abautret, J. P. Perez, H. Aït-Kaci, P. Christol, J. Fleury, H. Sik, A. Nedelcu, R. Cluzel, A. Cordat

Proceedings Volume 8993, 899313 (2014) https://doi.org/10.1117/12.2039156

KEYWORDS: Absorption, Doping, Diodes, PIN photodiodes, Sensors, Tellurium, Photodetectors, Diffraction, Antimony, Aluminum

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Proceedings Article | 25 October 2013 Paper

Large format, small pixel pitch and hot detectors at SOFRADIR

Y. Reibel, A. Rouvie, A. Nedelcu, T. Augey, N. Pere-Laperne, L. Rubaldo, D. Billon-Lanfrey, O. Gravrand, J. Rothman, G. Destefanis

Proceedings Volume 8896, 88960B (2013) https://doi.org/10.1117/12.2030698

KEYWORDS: Sensors, Mid-IR, Quantum well infrared photodetectors, Infrared detectors, Indium gallium arsenide, Medium wave, Staring arrays, Infrared technology, Infrared radiation, Infrared sensors

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Proceedings Article | 31 May 2012 Paper

QWIP infrared detector production line results

Michel Runtz, Franck Perrier, Nicolas Ricard, Eric Costard, Alexandru Nedelcu, Vincent Guériaux

Proceedings Volume 8353, 835339 (2012) https://doi.org/10.1117/12.921287

KEYWORDS: Quantum well infrared photodetectors, Sensors, Staring arrays, Thermography, Medium wave, Infrared cameras, Infrared detectors, Infrared sensors, Reliability, Long wavelength infrared

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Proceedings Article | 21 January 2012 Paper

QWIP status and future trends at Thales

P. Bois, V. Guériaux, N. Briere de l'Isle, A. Manissadjian, H. Facoetti, X. Marcadet, E. Costard, A. Nedelcu

Proceedings Volume 8268, 82682M (2012) https://doi.org/10.1117/12.913968

KEYWORDS: Quantum well infrared photodetectors, Sensors, Polarimetry, Thermography, Long wavelength infrared, Staring arrays, Mid-IR, Imaging systems, Infrared radiation, Cameras

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Proceedings Article | 21 January 2012 Paper

Reduction of noise in very long wave infrared quantum cascade detectors

A. Delga, L. Doyennette, M. Carras, V. Trinité, A. Nedelcu, V. Berger

Proceedings Volume 8268, 826835 (2012) https://doi.org/10.1117/12.914558

KEYWORDS: Sensors, Quantum well infrared photodetectors, Infrared detectors, Infrared radiation, Quantum wells, Quantum chromodynamics, Long wavelength infrared, Infrared sensors, Signal to noise ratio, Infrared technology

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SPIE Journal Paper | 1 June 2011

Quantum well infrared photodetectors: present and future

Vincent Gueriaux, Nadia Brèire de l'Isle, Arnaud Berurier, Odile Huet, Alain Manissadjian, Hugues Facoetti, Xavier Marcadet, Mathieu Carras, Virginie Trinité, Alexandru Nedelcu

OE, Vol. 50, Issue 06, 061013, (June 2011) https://doi.org/10.1117/12.10.1117/1.3584838

KEYWORDS: Quantum well infrared photodetectors, Polarimetry, Quantum wells, Absorption, Thermography, Staring arrays, Optical engineering, Sensors, Doping, Long wavelength infrared

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Proceedings Article | 21 May 2011 Paper

Design of broadband QWIPs

V. Guériaux, V. Trinité, A. Coulibaly, L. Dua, N. Brière de l'Isle, X. Marcadet, E. Costard, P. Bois, A. Nedelcu

Proceedings Volume 8012, 80120P (2011) https://doi.org/10.1117/12.886889

KEYWORDS: Quantum well infrared photodetectors, Quantum wells, Absorption, Thermography, Temperature metrology, Superlattices, Structural design, Staring arrays, Fourier transforms, Infrared spectroscopy

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Proceedings Article | 14 October 2010 Paper

Enhanced broadband (11-15 µm) QWIP FPAs for space applications

Alexandru Nedelcu, Ybe Creten, Vincent Guériaux, Arnaud Berurier, Toufiq Bria, Nadia Brière de l'Isle, Chris Van Hoof

Proceedings Volume 7826, 78261K (2010) https://doi.org/10.1117/12.865106

KEYWORDS: Quantum well infrared photodetectors, Signal to noise ratio, Fourier transforms, Quantum wells, Sensors, Doping, Readout integrated circuits, Absorption, Interference (communication), Capacitors

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Proceedings Article | 14 October 2010 Paper

Development of multi-spectral QWIPs for extrasolar planets imaging

Alexandru Nedelcu, Eric Pantin

Proceedings Volume 7826, 78261L (2010) https://doi.org/10.1117/12.865109

KEYWORDS: Quantum well infrared photodetectors, Sensors, Exoplanets, Stars, Mid-IR, Staring arrays, Coronagraphy, Point spread functions, Quantum wells, Telescopes

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Proceedings Article | 4 May 2010 Paper

State of the art of quantum cascade photodetectors

Amandine Buffaz, Mathieu Carras, Laetitia Doyennette, Alexandru Nedelcu, Philippe Bois, Vincent Berger

Proceedings Volume 7660, 76603Q (2010) https://doi.org/10.1117/12.853525

KEYWORDS: Sensors, Quantum wells, Quantum chromodynamics, Quantum well infrared photodetectors, Infrared radiation, Electrons, Photodetectors, Photovoltaics, Thermography, Terahertz radiation

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Proceedings Article | 23 September 2009 Paper

Enhanced broadband (11-15 µm) QWIP FPAs for space applications

Alexandru Nedelcu, Ybe Creten, Nadia Brèire de l'Isle, Burak Okcan, Vincent Guériaux, Arnaud Berurier, Toufiq Bria, Jean-Patrick Truffer, Eric Costard

Proceedings Volume 7474, 747419 (2009) https://doi.org/10.1117/12.830096

KEYWORDS: Signal to noise ratio, Electrons, Quantum well infrared photodetectors, Staring arrays, Quantum wells, Doping, Fourier transforms, Readout integrated circuits, Sensors, Absorption

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Proceedings Article | 7 May 2009 Paper

QWIP focal plane arrays performances from MWIR up to VLWIR

J. Robo, E. Costard, J. Truffer, A. Nedelcu, X. Marcadet, P. Bois

Proceedings Volume 7298, 72980F (2009) https://doi.org/10.1117/12.820470

KEYWORDS: Quantum well infrared photodetectors, Staring arrays, Mid-IR, Long wavelength infrared, Cameras, Polarimetry, Readout integrated circuits, Sensors, Thermography, Polarization

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Proceedings Article | 9 October 2008 Paper

Enhanced broadband (11-15 µm) QWIP FPAs for space applications

Alexandru Nedelcu, Nadia Brière de l'Isle, Jean-Patrick Truffer, Eric Belhaire, Eric Costard, Philippe Bois, Patrick Merken, Olivier Saint-Pé

Proceedings Volume 7106, 71061K (2008) https://doi.org/10.1117/12.800305

KEYWORDS: Quantum well infrared photodetectors, Signal to noise ratio, Fourier transforms, Sensors, Quantum wells, Absorption, Electrons, Staring arrays, Solid state lighting, Quantum dots

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Proceedings Article | 17 April 2008 Paper

QWIP development status at Thales

Nicolas Perrin, Eric Belhaire, Patrice Marquet, Véronique Besnard, Eric Costard, Alexandru Nedelcu, Philippe Bois, Robert Craig, John Parsons, William Johnston, Alain Manissadjian, Yannick Guinche

Proceedings Volume 6940, 694008 (2008) https://doi.org/10.1117/12.796641

KEYWORDS: Quantum well infrared photodetectors, Cameras, Sensors, Polarimetry, Polarization, Manufacturing, Long wavelength infrared, Electronics, Gallium arsenide, Prototyping

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Proceedings Article | 12 February 2008 Paper

Advantages of quantum cascade detectors

A. Gomez, M. Carras, A. Nedelcu, E. Costard, X. Marcadet, V. Berger

Proceedings Volume 6900, 69000J (2008) https://doi.org/10.1117/12.754215

KEYWORDS: Quantum chromodynamics, Quantum well infrared photodetectors, Readout integrated circuits, Sensors, Staring arrays, Thermography, Electrons, Doping, Quantum wells, Photovoltaics

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Proceedings Article | 26 October 2007 Paper

Focal plane arrays from UV up to VLWIR

E. Costard, A. Nedelcu, M. Achouche, J. Reverchon, J. Truffer, O. Huet, L. Dua, J. Robo, X. Marcadet, N. Brèire de l'Isle, H. Facoetti, P. Bois

Proceedings Volume 6744, 674411 (2007) https://doi.org/10.1117/12.753443

KEYWORDS: Staring arrays, Quantum well infrared photodetectors, Ultraviolet radiation, Long wavelength infrared, Mid-IR, Indium gallium arsenide, Sensors, Photodiodes, Semiconducting wafers, Thermography

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Proceedings Article | 13 June 2007 Paper

Two color QWIP and extended wavebands

Eric Costard, Jean Truffer, Odile Huet, Lydie Dua, Alexandru Nedelcu, J. A. Robo, Xavier Marcadet, Nadia Briere de l'Isle, Philippe Bois, A. Manissadjian, D. Gohier

Proceedings Volume 6542, 65420X (2007) https://doi.org/10.1117/12.723485

KEYWORDS: Quantum well infrared photodetectors, Staring arrays, Long wavelength infrared, Mid-IR, Sensors, Absorption, Manufacturing, Thermography, Gallium arsenide, Black bodies

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Proceedings Article | 14 May 2007 Paper

Small pitch, large format long-wave infrared QWIP focal plane arrays for polarimetric imagery

Alexandru Nedelcu, Hugues Facoetti, Eric Costard, Philippe Bois

Proceedings Volume 6542, 65420U (2007) https://doi.org/10.1117/12.720824

KEYWORDS: Staring arrays, Polarization, Quantum well infrared photodetectors, Polarimetry, Infrared imaging, Long wavelength infrared, Infrared radiation, Imaging systems, Sensors, Thermography

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Proceedings Article | 3 October 2006 Paper

QWIP from 4µm up to 18µm

Eric Costard, Jean Truffer, Odile Huet, Lydie Dua, Alexandre Nedelcu, J. Robo, Xavier Marcadet, Nadia Brèire de l'Isle, Philippe Bois

Proceedings Volume 6361, 636117 (2006) https://doi.org/10.1117/12.693476

KEYWORDS: Quantum well infrared photodetectors, Staring arrays, Long wavelength infrared, Mid-IR, Sensors, Absorption, Readout integrated circuits, Thermography, Gallium arsenide, Black bodies

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Proceedings Article | 17 May 2006 Paper

Single color and dual band QWIP production results

Alain Manissadjian, David Gohier, Eric Costard, Alexandru Nedelcu

Proceedings Volume 6206, 62060E (2006) https://doi.org/10.1117/12.669123

KEYWORDS: Quantum well infrared photodetectors, Sensors, Staring arrays, Forward looking infrared, Readout integrated circuits, Medium wave, Cryogenics, Cameras, Black bodies, Mercury cadmium telluride

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Proceedings Article | 17 May 2006 Paper

QWIP development status at Thales Research and Technology

Eric Costard, Alexandru Nedelcu, Xavier Marcadet, Eric Belhaire, Philippe Bois

Proceedings Volume 6206, 62060D (2006) https://doi.org/10.1117/12.673566

KEYWORDS: Quantum well infrared photodetectors, Mid-IR, Staring arrays, Long wavelength infrared, Gallium arsenide, Sensors, Aluminum, Quantum wells, Readout integrated circuits, Indium

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Proceedings Article | 21 October 2005 Paper

QWIP and third-generation IR imagers

E. Costard, Ph. Bois, X. Marcadet, A. Nedelcu

Proceedings Volume 5978, 59781C (2005) https://doi.org/10.1117/12.632800

KEYWORDS: Quantum well infrared photodetectors, Staring arrays, Thermography, Long wavelength infrared, Infrared imaging, Imaging systems, Sensors, Mid-IR, Manufacturing, Gallium arsenide

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Proceedings Article | 31 May 2005 Paper

Demonstration of 256x256 dual-band QWIP infrared FPAs

P. Castelein, F. Guellec, F. Rothan, S. Martin, P. Bois, E. Costard, O. Huet, X. Marcadet, A. Nedelcu

Proceedings Volume 5783, (2005) https://doi.org/10.1117/12.606430

KEYWORDS: Quantum well infrared photodetectors, Long wavelength infrared, Mid-IR, Sensors, Niobium, Infrared radiation, Electro optics, Staring arrays, Infrared detectors, Infrared technology

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Proceedings Article | 31 May 2005 Paper

QWIP and 3rd generation IR imagers

E. Costard, Ph. Bois, X. Marcadet, A. Nedelcu

Proceedings Volume 5783, (2005) https://doi.org/10.1117/12.606180

KEYWORDS: Quantum well infrared photodetectors, Thermography, Staring arrays, Long wavelength infrared, Infrared imaging, Imaging systems, Mid-IR, Manufacturing, Sensors, Structural design

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Proceedings Article | 30 August 2004 Paper

QWIP products and building blocks for high-performance systems

Eric Costard, Philippe Bois, Xavier Marcadet, Alexandru Nedelcu

Proceedings Volume 5406, (2004) https://doi.org/10.1117/12.544972

KEYWORDS: Quantum well infrared photodetectors, Staring arrays, Thermography, Mid-IR, Sensors, Long wavelength infrared, Gallium arsenide, Semiconducting wafers, Gallium, Manufacturing

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Showing 5 of 29 publications

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