Dr. Gilberto A. Umana-Membreno Profile

Dr. Gilberto A. Umana-Membreno

at Univ of Western Australia

Publications (14)

Proceedings Article | 1 November 2024 Presentation + Paper

Technologies for adaptive SWIR multispectral imaging

Dilusha Silva, Hemendra Kala, Michal Zawierta, Dhirendra Tripathi, Gurpreet Singh Gill, Jarek Antoszewski, Gilberto Umana-Membreno, Adrian Keating, John Dell, Brett Nener, Mariusz Martyniuk, Lorenzo Faraone

Proceedings Volume 13200, 1320015 (2024) https://doi.org/10.1117/12.3031842

KEYWORDS: Tunable filters, Mirrors, Multispectral imaging, Short wave infrared radiation, Microelectromechanical systems, Optical filters, Optical transmission, Fabry Perot interferometers

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Proceedings Article | 1 November 2024 Presentation + Paper

Emerging technologies for infrared sensing and imaging

Hemendra Kala, Wenwu Pan, Renjie Gu, Dilusha Silva, Jarek Antoszewski, Gilberto Umana-Membreno, Wen Lei, Nima Dehdashtiakhavan, Michal Zawierta, Dhirendra Tripathi, Yan Liu, Gurpreet Singh Gill, Jega Gurusamy, Adrian Keating, John Dell, Brett Nener, Mariusz Martyniuk, Lorenzo Faraone

Proceedings Volume 13200, 132000X (2024) https://doi.org/10.1117/12.3031838

KEYWORDS: Mercury cadmium telluride, Tunable filters, Optical filters, Microelectromechanical systems, Staring arrays, Fabrication, Short wave infrared radiation, Optical transmission, Mid-IR, Infrared detectors

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Proceedings Article | 1 November 2024 Poster

Enhancements to HgCdTe infrared detector performance and the fabrication of larger focal plane arrays at the University of Western Australia

Wenwu Pan, Gilberto Umana-Membreno, Jarek Antoszewski, Renjie Gu, Nima Dehdashtiakhavan, Wen Lei, Hemendra Kala, Lorenzo Faraone

Proceedings Volume 13200, 132001T (2024) https://doi.org/10.1117/12.3031839

KEYWORDS: Mercury cadmium telluride, Staring arrays, Fabrication, Sensors, Quantum efficiency, Infrared sensors, Infrared detectors, Imaging systems, Signal to noise ratio, Semiconductors

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Proceedings Article | 3 November 2022 Presentation

Electronic transport in infrared detector materials based on InAs/InGaSb type-II superlattices (Conference Presentation)

Gilberto Umana-Membreno, Nima Dehdashtiakhavan, Jarek Antoszewski, Lorenzo Faraone

Proceedings Volume 12271, 1227104 (2022) https://doi.org/10.1117/12.2656306

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Proceedings Article | 2 November 2022 Presentation + Paper

Narrow bandgap HgCdTe technology for IR sensing and imaging focal plane arrays

Wenwu Pan, Gilberto Umana-Membreno, Jarek Antoszewski, Wen Lei, Renjie Gu, Hemendra Kala, Nima Dehdashtiakhavan, Lorenzo Faraone

Proceedings Volume 12271, 1227102 (2022) https://doi.org/10.1117/12.2645270

KEYWORDS: Mercury cadmium telluride, Quantum efficiency, Photodetectors, Imaging arrays, Mid-IR, Infrared imaging, Sensors, Gallium antimonide, Staring arrays, Infrared detectors

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Proceedings Article | 14 August 2018 Paper

Structural and optical characterization of the high quality Be-doped InAs epitaxial layer grown on GaAs substrate

Jarosław Wróbel, Kacper Grodecki, Djalal Benyahia, Krzysztof Murawski, Krystian Michalczewski, Justyna Grzonka, Jacek Boguski, Kinga Gorczyca, Gilberto Umana-Membreno, Łukasz Kubiszyn, Artur Kębłowski, Paweł Piotr Michałowski, Emilia Gomółka, Piotr Martyniuk, Józef Piotrowski, Antoni Rogalski

Proceedings Volume 10830, 108300S (2018) https://doi.org/10.1117/12.2503624

KEYWORDS: Indium arsenide, Gallium arsenide, Raman spectroscopy, Scanning electron microscopy, Luminescence, X-ray diffraction, Absorbance, Arsenic, Crystals, Spectroscopy

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Proceedings Article | 1 September 2017 Paper

Mobility spectrum analysis of HgCdTe epitaxial layers grown by metalorganic chemical vapour deposition

Jarosław Wróbel, Kinga Gorczyca, Gilberto Umana-Membreno, Artur Kębłowski, Jacek Boguski, Piotr Martyniuk, Paweł Madejczyk

Proceedings Volume 10455, 104550T (2017) https://doi.org/10.1117/12.2282836

KEYWORDS: Mercury cadmium telluride, Metalorganic chemical vapor deposition, Spectrum analysis, Doping, Infrared detectors

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Proceedings Article | 20 May 2016 Paper

Recent progress in MBE grown HgCdTe materials and devices at UWA

R. Gu, W. Lei, J. Antoszewski, I. Madni, G. Umana-Menbreno, L. Faraone

Proceedings Volume 9819, 98191Z (2016) https://doi.org/10.1117/12.2222997

KEYWORDS: Mercury cadmium telluride, Gallium antimonide, Sensors, Infrared materials, Infrared detectors, Epitaxy, Silicon, Gallium arsenide, Sensor performance, Superlattices, Transmission electron microscopy, Solids, Mid-IR, FT-IR spectroscopy

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Proceedings Article | 31 May 2012 Paper

Electronic transport in InAs/GaSb type-II superlattices for long wavelength infrared focal plane array applications

G. Umana-Membreno, H. Kala, B. Klein, J. Antoszewski, N. Gautam, M. Kutty, E. Plis, S. Krishna, L. Faraone

Proceedings Volume 8353, 83530Y (2012) https://doi.org/10.1117/12.919767

KEYWORDS: Superlattices, Electrons, Long wavelength infrared, Spectrum analysis, Infrared detectors, Sensors, Temperature metrology, Staring arrays, Infrared sensors, Infrared technology

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Proceedings Article | 21 May 2011 Paper

Vertical transport in InAs/GaSb type-II strained layer superlattices for infrared focal plane array applications

G. Umana-Membreno, B. Klein, H. Kala, J. Antoszewski, G. Gautam, M. Kutty, E. Plis, J. Dell, S. Krishna, L. Faraone

Proceedings Volume 8012, 80120Y (2011) https://doi.org/10.1117/12.883755

KEYWORDS: Superlattices, Electrons, Magnetism, Infrared detectors, Infrared sensors, Sensors, Spectrum analysis, Laser sintering, Infrared radiation, Mercury cadmium telluride

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Proceedings Article | 2 April 2004 Paper

Investigations of ohmic contacts to reactive ion-etched p-type GaN

Giacinta Parish, L. Watson, Gilberto Umana Membreno, Brett Nener

Proceedings Volume 5276, (2004) https://doi.org/10.1117/12.523252

KEYWORDS: Annealing, Gallium nitride, Resistance, Etching, Semiconducting wafers, Reactive ion etching, Doping, Metals, Ultraviolet radiation, Nitrogen

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Proceedings Article | 30 March 2004 Paper

Magnetoresistance characteristics of gamma-irradiated Al0.35Ga0.65N/GaN HFETs

Gilberto Umana-Membreno, John Dell, Giacinta Parish, Brett Nener, Lorenzo Faraone, Ramakhrishna Ventury, Umesh Mishra

Proceedings Volume 5274, (2004) https://doi.org/10.1117/12.527255

KEYWORDS: Gamma radiation, Resistance, Gallium nitride, Magnetism, Aluminum, Heterojunctions, Interfaces, Field effect transistors, Gallium, Diodes

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Proceedings Article | 19 November 2001 Paper

60Co gamma-irradiation-induced defects in MOCVD n-GaN

Gilberto Umana-Membreno, John Dell, Giacinta Parish, Lorenzo Faraone, Umesh Mishra

Proceedings Volume 4593, (2001) https://doi.org/10.1117/12.448853

KEYWORDS: Annealing, Gamma radiation, Temperature metrology, Gallium nitride, Electrons, Diodes, Metalorganic chemical vapor deposition, Nitrogen, Convolution, Capacitance

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Proceedings Article | 8 October 1999 Paper

Anomalous drain current-voltage characteristics in AlGaN/GaN MODFETs at low temperatures

Gilberto Umana-Membreno, John Dell, Lorenzo Faraone, Yi-Feng Wu, Giacinta Parish, Umesh Mishra

Proceedings Volume 3893, (1999) https://doi.org/10.1117/12.368457

KEYWORDS: Field effect transistors, Electrons, Resistance, Ionization, Heterojunctions, Temperature metrology, Gallium nitride, Sapphire, Silicon, Transistors

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Showing 5 of 14 publications

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