Dr. Naidu Nagaraja Bezawada Profile

Dr. Naidu Nagaraja Bezawada

at European Southern Observatory

SPIE Involvement:

Author

Publications (42)

Proceedings Article | 27 August 2024 Presentation + Paper

Presentation + Paper

The MICADO first light imager for the ELT: overview of the near infrared mosaic detector subsystem

Naidu Bezawada, Marcus Haug, Barbara Klein, Martin Brinkmann, Eric Müller, Derek Ives, Elizabeth George, Benoit Serra, Domingo Alvarez, Leander Mehrgan, Matthias Richerzhagen, Mathias Seidel, Jörg Stegmeier, Mirko Todorovic, Federico Biondi, Ric Davies, Andreas Emslander, Aysun Sönmez, Kateryna Kravchenko, Sebastian Rabien, Julian Ziegleder, Tilo Jilg, Luis Neumeier

Proceedings Volume 13103, 131030D (2024) https://doi.org/10.1117/12.3020079

KEYWORDS: Sensors, Mosaic detectors, Windows, Equipment, Signal detection, Cryogenics, Staring arrays, Cryostats

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Proceedings Article | 27 August 2024 Poster + Paper

Poster + Paper

METIS first light imager and spectrograph for the ELT: overview of the near and mid-infrared detector subsystems

Benoît Serra, Derek Ives, Matteo Accardo, Ralf Conzelmann, Serban Leveratto, Eric Mueller, Elizabeth George, Naidu Bezawada, Domingo Alvarez, Babak Sedghi, Leander Mehrgan, Mathias Richerzhagen, Matthias Seidel, Jörg Stegmeier, Mirko Todorovic, Thomas Bertram, Silvia Scheithauer, Peter Bizenberger, Roy van Berkel, Vianak Naranjo, Phil Parr-Burman, Alistair C. Glasse, Alastair Macleod, Michael Meyer, Taylor Tobin, Rory Bowens, Adrian Glauser, Emilie Bouzerand, Bernhard Brandl, Felix Bettonvil

Proceedings Volume 13103, 131031U (2024) https://doi.org/10.1117/12.3019829

KEYWORDS: Sensors, Equipment, Fluctuations and noise, Mosaic detectors, Vibration, Design, Clocks, Signal detection, Imaging systems, Cryogenics

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Proceedings Article | 26 August 2024 Presentation + Paper

Presentation + Paper

The MICADO first light imager for the ELT: the detector positioning system of MICADO

Aysun Sönmez, Florian Lang, Sebastian Rabien, Kateryna Kravchenko, Andreas Emslander, Federico Biondi, Mathias Honsberg, Matthias Deysenroth, Luis Neumeier, Lenard Spallek, Lothar Barl, Naidu Bezawada, Veronika Wimmer, Marcus Haug, Nancy Ageorges, Dirk Kampf

Proceedings Volume 13100, 1310036 (2024) https://doi.org/10.1117/12.3018338

KEYWORDS: Sensors, Interfaces, Cryostats, Detector arrays, Cryogenics, Actuators, Computer aided design, Retroreflectors

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Proceedings Article | 18 July 2024 Presentation + Paper

Presentation + Paper

The MICADO first light imager for the ELT: overview and current status

E. Sturm, R. Davies, J. Alves, Y. Clénet, J. Kotilainen, A. Monna, H. Nicklas, J.-U. Pott, E. Tolstoy, B. Vulcani, J. Achren, S. Annadevara, H. Anwand-Heerwart, C. Arcidiacono, S. Barboza, L. Barl, P. Baudoz, R. Bender, N. Bezawada, F. Biondi, P. Bizenberger, A. Blin, A. Boné, P. Bonifacio, B. Borgo, J. van den Born, T. Buey, Y. Cao, F. Chapron, G. Chauvin, F. Chemla, K. Cloiseau, M. Cohen, C. Colin, O. Czoske, J.-O. Dette, M. Deysenroth, E. Dijkstra, S. Dreizler, O. Dupuis, G. van Egmond, F. Eisenhauer, E. Elswijk, A. Emslander, M. Fabricius, G. Fasola, F. Ferreira, N. Förster Schreiber, A. Fontana, J. Gaudemard, N. Gautherot, E. Gendron, C. Gennet, R. Genzel, L. Ghouchou, S. Gillessen, D. Gratadour, A. Grazian, F. Grupp, S. Guieu, M. Gullieuszik, M. de Haan, J. Hartke, M. Hartl, F. Haussmann, T. Helin, H.-J. Hess, R. Hofferbert, H. Huber, E. Huby, J.-M. Huet, D. Ives, A. Janssen, P. Jaufmann, T. Jilg, D. Jodlbauer, J. Jost, W. Kausch, H. Kellermann, F. Kerber, H. Kravcar, K. Kravchenko, C. Kulcsár, H. Kuncarayakti, P. Kunst, S. Kwast, F. Lang, J. Lange, V. Lapeyrere, B. Le Ruyet, K. Leschinski, H. Locatelli, D. Massari, S. Mattila, S. Mei, F. Merlin, E. Meyer, C. Michel, L. Mohr, M. Montargès, F. Müller, N. Münch, R. Navarro, U. Neumann, N. Neumayer, L. Neumeier, F. Pedichini, A. Pflüger, R. Piazzesi, L. Pinard, J. Porras, E. Portulari, N. Przybilla, S. Rabien, J. Raffard, R. Ragazzoni, R. Ramlau, J. Ramos, S. Ramsay, H.-F. Raynaud, P. Rhode, A. Richter, H.-W. Rix, M. Rodenhuis, R.-R. Rohloff, R. Romp, P. Rousselot, N. Sabha, B. Sassolas, J. Schlichter, M. Schuil, M. Schweitzer, U. Seemann, A. Sevin, M. Simioni, L. Spallek, A. Sönmez, J. Suuronen, S. Taburet, J. Thomas, E. Tisserand, P. Vaccari, E. Valenti, G. Verdoes Kleijn, M. Verdugo, F. Vidal, R. Wagner, M. Wegner, D. van Winden, J. Witschel, A. Zanella, W. Zeilinger, J. Ziegleder, B. Ziegler

Proceedings Volume 13096, 1309611 (2024) https://doi.org/10.1117/12.3017752

KEYWORDS: Imaging systems, James Webb Space Telescope, Imaging spectroscopy, Design and modelling, Adaptive optics, Stars, Manufacturing, Equipment, Wavefront sensors, Spectroscopes

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SPIE Journal Paper | 24 June 2024

Output buffer glow and its mitigation in H4RG-15 detectors

Naidu Bezawada, Derek Ives, Elizabeth George, Domingo Alvarez, Benoit Serra, Mark Farris, Anders Petersen, Liz Corrales

JATIS, Vol. 10, Issue 02, 026007, (June 2024) https://doi.org/10.1117/12.10.1117/1.JATIS.10.2.026007

KEYWORDS: Sensors, Crosstalk, Signal to noise ratio, Signal detection, Field effect transistors, Interference (communication), Resistors, Equipment, Observatories, Cryogenics

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Proceedings Article | 18 December 2020 Presentation + Paper

Presentation + Paper

A status report on the instruments for ESO’s Extremely Large Telescope

Suzanne Ramsay, Paola Amico, Naidu Bezawada, Fabio Biancat Marchet, Patrick Caillier, Michele Cirasuolo, Ralf Conzelmann, Reinhold Dorn, Sebastian Egner, Christoph Frank, Elizabeth George, Frederic Gonte, Juan Carlos González Herrera, Peter Hammersley, Christoph Haupt, Derek Ives, Gerd Jakob, Florian Kerber, Bertrand Koehler, Sylvain Oberti, Christian Schmid, Johannes Schimpelsberger, Ulf Seemann, Ralf Siebenmorgen, Roberto Tamai, Joël Vernet

Proceedings Volume 11447, 114471U (2020) https://doi.org/10.1117/12.2562555

KEYWORDS: Large telescopes, Spectrographs, Adaptive optics, Imaging systems, Cameras, Mid-IR, Tomography, Astronomical imaging

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Proceedings Article | 13 December 2020 Poster + Paper

Poster + Paper

Detector systems engineering for extremely large instruments

Elizabeth George, Naidu Bezawada, Derek Ives, Leander Mehrgan, Matteo Accardo, Domingo Alvarez, Martin Brinkmann, Ralf Conzelmann, Claudio Cumani, Mark Downing, Max Engelhardt, Marcus Haug, Joshua Hopgood, Christoph Geimer, Olaf Iwert, Barbara Klein, Christopher Mandla, Eric Müller, Suzanne Ramsay, Javier Reyes, Mathias Richerzhagen, Benoît Serra, Matthias Seidel, Jörg Stegmeier, Mirko Todorovic

Proceedings Volume 11454, 114541Y (2020) https://doi.org/10.1117/12.2562289

KEYWORDS: Sensors, Systems engineering, Detector development, Control systems, Electronics, Algorithm development, Charge-coupled devices, Mid-IR, Performance modeling, Systems modeling

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Proceedings Article | 13 December 2020 Poster + Presentation + Paper

Poster + Presentation + Paper

Performance advantages of buffered mode operation of HxRG near infrared detectors

Naidu Bezawada, Derek Ives, Domingo Alvarez, Benoit Serra, Elizabeth George, Christopher Mandla, Leander Mehrgan

Proceedings Volume 11454, 114543J (2020) https://doi.org/10.1117/12.2562635

KEYWORDS: Sensors, Electronics, Sensor performance, Cryogenics

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Proceedings Article | 13 December 2020 Presentation + Paper

Presentation + Paper

Characterisation, performance and operational aspects of the H4RG-15 near infrared detectors for the MOONS instrument

Derek Ives, Domingo Alvarez, Naidu Bezawada, Elizabeth George, Benoit Serra

Proceedings Volume 11454, 114541N (2020) https://doi.org/10.1117/12.2562408

KEYWORDS: Sensors, Spectrographs, Cryogenics, Charge-coupled devices, Infrared sensors, Electronics, Channel projecting optics, Astronomical imaging, Infrared imaging, Quantum efficiency

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Proceedings Article | 13 December 2020 Presentation + Paper

Presentation + Paper

ELT-HIRES, the high resolution spectrograph for the ELT: the Phase A study and the path to construction

A. Marconi , M. Abreu, V. Adibekyan, M. Aliverti, C. Allende Prieto, P. Amado, M. Amate, E. Artigau, S. Augusto, S. Barros, S. Becerril, B. Benneke, E. Bergin, P. Berio, N. Bezawada, I. Boisse, X. Bonfils, F. Bouchy, C. Broeg, A. Cabral, R. Calvo-Ortega, B. Canto Martins, B. Chazelas, A. Chiavassa, L. Christensen, R. Cirami, I. Coretti, S. Covino, G. Cresci, S. Cristiani, V. Cunha Parro, G. Cupani, V. D'Odorico, I. de Castro Leão, J. de Medeiros, M. de Souza, P. Di Marcantonio, I. Di Varano, R. Doyon, H. Drass, P. Figueira, A. Fragoso, J. Fynbo, E. Gallo, M. Genoni, J. González Hernández, R. Gratton, M. Haehnelt, C. Hansen, J. Hlavacek-Larrondo, I. Hughes, P. Huke, A. Humphrey, H. Kjeldsen, A. Korn, D. Kouach, M. Landoni, J. Liske, C. Lovis, D. Lunney, R. Maiolino, L. Malo, T. Marquart, C. J. A. P. Martins, P. Maslowski, E. Mason, G. Micela, P. Molaro, J. Monnier, M. Monteiro, C. Mordasini, T. Morris, A. Mucciarelli, G. Murray, A. Niedzielski, E. Niemczura, B. Nisini, N. Nunes, E. Oliva, L. Origlia, E. Pallé, G. Pariani, P. Parr-Burman, L. Pasquini, J. Peñate, F. Pepe, G. Pietrzynski, E. Pinna, N. Piskunov, A. Pollo, J. Rasilla, R. Rebolo, P. Rees, A. Reiners, M. Riva, D. Romano, S. Rousseau, N. Sanna, M. Sarajlic, T.-C. Shen, F. Sortino, D. Sosnowska, S. Sousa, E. Stempels, K. Strassmeier, F. Tenegi, A. Tozzi, S. Udry, L. Valenziano, L. Vanzi, M. Weber, M. Woche, M. Xompero, E. Zackrisson, M. R. Zapatero Osorio

Proceedings Volume 11447, 1144726 (2020) https://doi.org/10.1117/12.2560489

KEYWORDS: Spectrographs, Large telescopes, Telescopes, Exoplanets, Atmospheric sciences, Atmospheric sensing, Spectral resolution

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Proceedings Article | 3 January 2020 Paper

Paper

The ESO Extremely Large Telescope instrumentation programme

Suzanne Ramsay, Paola Amico, Naidu Bezawada, Michele Cirasuolo, Frédéric Derie, Sebastian Egner, Elizabeth George, Frédéric Gonté, Juan Carlos González Herrera, Peter Hammersley, Christoph Haupt, Jeroen Heijmans, Derek Ives, Gerd Jakob, Florian Kerber, Bertrand Koehler, Vincenzo Mainieri, Antonio Manescau, Sylvain Oberti, Paolo Padovani, Celine Peroux, Ralf Siebenmorgen, Roberto Tamai, Joël Vernet

Proceedings Volume 11203, 1120303 (2020) https://doi.org/10.1117/12.2541400

KEYWORDS: Adaptive optics, Spectrographs, Telescopes, Large telescopes, Cameras, Spectroscopy, Exoplanets, Stars, Spectral resolution, Laser guide stars

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Proceedings Article | 30 July 2018 Open Access

Open Access

Paper

The MICADO first light imager for the ELT: overview, operation, simulation

R. Davies, J. Alves, Y. Clénet, F. Lang-Bardl, H. Nicklas, J.-U. Pott, R. Ragazzoni, E. Tolstoy, P. Amico, H. Anwand-Heerwart, S. Barboza, L. Barl, P. Baudoz, R. Bender, N. Bezawada, P. Bizenberger, W. Boland, P. Bonifacio, B. Borgo, T. Buey, F. Chapron, F. Chemla, M. Cohen, O. Czoske, V. Déo, K. Disseau, S. Dreizler, O. Dupuis, M. Fabricius, R. Falomo, P. Fedou, N. Förster Schreiber, V. Garrel, N. Geis, H. Gemperlein, E. Gendron, R. Genzel, S. Gillessen, M. Glück, F. Grupp, M. Hartl, M. Häuser, H.-J. Hess, R. Hofferbert, U. Hopp, V. Hörmann, Z. Hubert, E. Huby, J.-M. Huet, V. Hutterer, D. Ives, A. Janssen, W. Jellema, W. Kausch, F. Kerber, H. Kravcar, B. Le Ruyet, K. Leschinski, C. Mandla, M. Manhart, D. Massari, S. Mei, F. Merlin, L. Mohr, A. Monna, N. Muench, F. Müller, G. Musters, R. Navarro, U. Neumann, N. Neumayer, J. Niebsch, M. Plattner, N. Przybilla, S. Rabien, R. Ramlau, J. Ramos, S. Ramsay, P. Rhode, A. Richter, J. Richter, H.-W. Rix, G. Rodeghiero, R.-R. Rohloff, M. Rosensteiner, G. Rousset, J. Schlichter, J. Schubert, A. Sevin, R. Stuik, E. Sturm, J. Thomas, N. Tromp, G. Verdoes-Kleijn, F. Vidal, R. Wagner, M. Wegner, W. Zeilinger, J. Ziegleder, B. Ziegler, G. Zins

Proceedings Volume 10702, 107021S (2018) https://doi.org/10.1117/12.2311483

KEYWORDS: Adaptive optics, Distortion, Planets

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Proceedings Article | 12 July 2018 Presentation + Paper

Presentation + Paper

The ARIEL space mission

Enzo Pascale, Naidu Bezawada, Joanna Barstow, Jean-Philippe Beaulieu, Neil Bowles, Vincent Coudé du Foresto, Athena Coustenis, Leen Decin, Pierre Drossart, Paul Eccleston, Therese Encrenaz, Francois Forget, Matt Griffin, Manuel Güdel, Paul Hartogh, Astrid Heske, Pierre-Olivier Lagage, Jeremy Leconte, Pino Malaguti, Giusi Micela, Kevin Middleton, Michiel Min, Andrea Moneti, Juan Carlos Morales, Lorenzo Mugnai, Marc Ollivier, Emanuele Pace, Andreas Papageorgiou, Goran Pilbratt, Ludovic Puig, Miroslaw Rataj, Tom Ray, Ignasi Ribas, Marco Rocchetto, Subhajit Sarkar, Franck Selsis, William Taylor, Jonathan Tennyson, Giovanna Tinetti, Diego Turrini, Bart Vandenbussche, Olivia Venot, Ingo Waldmann, Paulina Wolkenberg, Gillian Wright, Maria-Rosa Zapatero Osorio, Tiziano Zingales

Proceedings Volume 10698, 106980H (2018) https://doi.org/10.1117/12.2311838

KEYWORDS: Planets, Exoplanets, Space telescopes, Stars, Telescopes, Space operations, Spectroscopy, Photometry, Sensors, Spectroscopic atmospheric monitoring techniques

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Proceedings Article | 12 July 2018 Paper

Paper

Configuration of readout electronics and data acquisition for the HiPERCAM instrument

Naidu Bezawada, Xiaofeng Gao, David Henry, Martin Black, Chris Miller, David Lunney, Vik Dhillon, Stuart Littlefair, Paul Kerry, Trevor Gamble, Simon Dixon, Steven Parsons, Tom Marsh, Leander Mehrgan, Joerg Stegmeier, Derek Ives

Proceedings Volume 10709, 1070924 (2018) https://doi.org/10.1117/12.2313291

KEYWORDS: Charge-coupled devices, Cameras, Clocks, Data acquisition, Control systems, Head, Electronics, Telescopes, CCD cameras, Signal processing

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Proceedings Article | 6 July 2018 Presentation + Paper

Presentation + Paper

Instrumentation for ESO's Extremely Large Telescope

Suzanne Ramsay, Mark Casali, Paola Amico, Naidu Bezawada, Michele Cirasuolo, Ralf Conzelmann, Sebastian Egner, Christoph Frank, Elizabeth George, Juan Carlos González Herrera, Peter Hammersley, Christoph Haupt, Jeroen Heijmans, Derek Ives, Gerd Jakob, Florian Kerber, Betrand Koehler, Vincenzo Mainieri, Antonio Manescau, Enrico Marchetti, Sylvain Oberti, Paolo Padovani, Christian Schmid, Johannes Schimpelsberger, Ralf Siebenmorgen, Roberto Tamai, Joël Vernet

Proceedings Volume 10702, 107021P (2018) https://doi.org/10.1117/12.2313540

KEYWORDS: Sensors, Adaptive optics, Telescopes, Cameras, Spectrographs, Imaging spectroscopy, Wavefront sensors, Cryogenics, Large telescopes, Spectroscopes

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Proceedings Article | 6 July 2018 Presentation + Paper

Presentation + Paper

ELT-HIRES, the high resolution spectrograph for the ELT: results from the Phase A study

A. Marconi, C. Allende Prieto, P. Amado, M. Amate, S. Augusto, S. Becerril, N. Bezawada, I. Boisse, F. Bouchy, A. Cabral, B. Chazelas, R. Cirami, I. Coretti, S. Cristiani, G. Cupani, I. de Castro Leão, J. R. de Medeiros, M. A. F. de Souza, P. Di Marcantonio, I. Di Varano, V. D'Odorico, H. Drass, P. Figueira, A. B. Fragoso, J. P. U. Fynbo, M. Genoni, J. I. González Hernández, M. Haehnelt, I. Hughes, P. Huke, H. Kjeldsen, A. Korn, M. Landoni, J. Liske, C. Lovis, R. Maiolino , T. Marquart, C. J. A. P. Martins, E. Mason, M. Monteiro, T. Morris, G. Murray, A. Niedzielski, E. Oliva, L. Origlia, E. Pallé, P. Parr-Burman, V. C. Parro, F. Pepe, N. Piskunov, J. L. Rasilla, P. Rees, R. Rebolo, M. Riva, S. Rousseau, N. Sanna, N. Santos, T.-C. Shen, F. Sortino, D. Sosnowska, S. Sousa, E. Stempels, K. Strassmeier, F. Tenegi, A. Tozzi, S. Udry, L. Valenziano, L. Vanzi, M. Weber, M. Woche, M. Xompero, E. Zackrisson

Proceedings Volume 10702, 107021Y (2018) https://doi.org/10.1117/12.2311664

KEYWORDS: Spectrographs, Stars, Physics, Galactic astronomy, Astronomy, Exoplanets, Spectral resolution, Calibration, Absorption, Spectroscopy

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Proceedings Article | 6 July 2018 Presentation + Paper

Presentation + Paper

First light with HiPERCAM on the GTC

Vik Dhillon, Simon Dixon, Trevor Gamble, Paul Kerry, Stuart Littlefair, Steven Parsons, Thomas Marsh, Naidu Bezawada, Martin Black, Xiaofeng Gao, David Henry, David Lunney, Christopher Miller, Marc Dubbeldam, Timothy Morris, James Osborn, Richard Wilson, Jorge Casares, Teo Muñoz-Darias, Enric Pallé, Pablo Rodriguez-Gil, Tariq Shahbaz, Antonio de Ugarte Postigo

Proceedings Volume 10702, 107020L (2018) https://doi.org/10.1117/12.2312041

KEYWORDS: Charge-coupled devices, Stars, Telescopes, Sensors, Optical filters, Data acquisition, Bandpass filters, Beam splitters

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Proceedings Article | 15 March 2018 Open Access

Open Access

Paper

TWINKLE: a low earth orbit visible and infrared exoplanet spectroscopy observatory

G. Savini, M. Tessenyi, G. Tinetti, C. Arena, J. Tennyson, T. Zingales, En. Pascale, R. Sudiwala, A. Papageorgiou, S. Sarkar, P. A. Ade, M. Griffin, K. Barnes, L. Hipwood, P. Knowles, M. Patel, M. Leese, J. Mason, M. Crook, I. Tosh, A. Saad, P. Eccleston, B. Shaughnessy, T. Brooke, M. Wells, I. Bryson, A. Macleod, W. Taylor, N. Bezawada, G. Wright, S. Jason, J. Friend, J. Williams, G. Johnston, S. Prasad, A. Vora, C. Saunders, B. Winter, P. Curry, A. Smith

Proceedings Volume 9904, 99044M (2018) https://doi.org/10.1117/12.2233691

KEYWORDS: Sensors, Telescopes, Spectroscopy, Space telescopes, Visible radiation, Mirrors, Infrared spectroscopy, Space operations, Exoplanets, Satellites

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Proceedings Article | 9 August 2016 Paper

Paper

HiPERCAM: a high-speed quintuple-beam CCD camera for the study of rapid variability in the universe

Vikram Dhillon, Thomas Marsh, Naidu Bezawada, Martin Black, Simon Dixon, Trevor Gamble, David Henry, Paul Kerry, Stuart Littlefair, David Lunney, Timothy Morris, James Osborn, Richard Wilson

Proceedings Volume 9908, 99080Y (2016) https://doi.org/10.1117/12.2229055

KEYWORDS: Charge-coupled devices, Telescopes, Lanthanum, CCD cameras, Global Positioning System, Charge-coupled devices, Sensors, Stars, Head, Data acquisition, Electroluminescent displays

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Proceedings Article | 1 August 2016 Paper

Paper

Progress on the characterization activities of new infrared detectors from Leonardo, UK at the UKATC

Naidu Bezawada, David Atkinson, Chris Miller, Ian Bryson, Les Hipwood, Nick Shorrocks, Harald Weller, Malcolm Jackson, Ray Davis, Keith Barnes, Ian Baker

Proceedings Volume 9915, 99150R (2016) https://doi.org/10.1117/12.2232847

KEYWORDS: Infrared detectors, Sensors, Near infrared, Short wave infrared radiation, Infrared radiation, Infrared sensors, Infrared detectors, Infrared radiation, Short wave infrared radiation, Quantum efficiency, Readout integrated circuits, Temperature metrology, Diodes

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Proceedings Article | 17 October 2014 Paper

Paper

GreenHouse Observations of the Stratosphere and Troposphere (GHOST): a novel shortwave infrared spectrometer developed for the Global Hawk unmanned aerial vehicle

Neil Humpage, Hartmut Bösch, Paul Palmer, Phil Parr-Burman, Andrew J. Vick, Naidu Bezawada, Martin Black, Andrew Born, David Pearson, Jonathan Strachan, Martyn Wells

Proceedings Volume 9242, 92420P (2014) https://doi.org/10.1117/12.2067330

KEYWORDS: Infrared spectroscopy, Carbon dioxide, Atmospheric modeling, Sensors, Signal to noise ratio, Spectroscopy, Short wave infrared radiation, Gases, Mirrors, Shortwaves

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Proceedings Article | 28 August 2014 Paper

Paper

Design and performance of the Exo-planet Characterisation Observatory (EChO) integrated payload

Bruce Swinyard, Marcel Tessenyi, Giovanna Tinetti, Ingo Waldmann, Paul Eccleston, Marc Ferlet, Ranah Irshad, Tanya Lim, Kevin Middleton, Tom Bradshaw, Martin Crook, Tom Hunt, Berend Winter, Ian Bryson, Naidu Bezawada, William Taylor, Neil Bowles, Enzo Pascale, Gianluca Morgante, Emanuele Pace, Alberto Adriani, Jean-Michel Reess, Pierre Drossart, Vincent Coudé du Foresto, Marc Ollivier, Roland Ottensamer, Mirek Rataj, Gonzalo Ramos Zapata, Jan-Rutger Schrader, Avri Selig, Kate Isaak, Martin Linder, Ludovic Puig, Paul Hartogh, Christophe Lovis, Giusi Micela, Ignasi Ribas, Ignas Snellen, Jean-Phillippe Beaulieu

Proceedings Volume 9143, 91432E (2014) https://doi.org/10.1117/12.2056433

KEYWORDS: Sensors, Exoplanets, Stars, Telescopes, Space telescopes, Planets, Space operations, Signal to noise ratio, Spectrometers, Observatories

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Proceedings Article | 28 July 2014 Paper

Paper

HARPS-N @ TNG, two year harvesting data: performances and results

Rosario Cosentino, Christophe Lovis, Francesco Pepe, Andrew Cameron, David Latham, Emilio Molinari, Stephane Udry, Naidu Bezawada, Nicolas Buchschacher, Pedro Figueira, Michel Fleury, Adriano Ghedina, Alexander Glenday, Manuel Gonzalez, Jose Guerra, David Henry, Ian Hughes, Charles Maire, Fatemeh Motalebi, David Forrest Phillips

Proceedings Volume 9147, 91478C (2014) https://doi.org/10.1117/12.2055813

KEYWORDS: Calibration, Planets, Spectrographs, Stars, Velocity measurements, Optical fibers, Fabry–Perot interferometers, Charge-coupled devices, Signal to noise ratio, Laser stabilization

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Proceedings Article | 23 July 2014 Paper

Paper

Characterisation activities of new NIR to VLWIR detectors from Selex ES Ltd at the UK ATC

Naidu Bezawada, David Atkinson, Nick Shorrocks, Les Hipwood, Harald Weller, Ian Bryson, Malcolm Jackson, Ray Davis, Keith Barnes, Ian Baker

Proceedings Volume 9154, 91540O (2014) https://doi.org/10.1117/12.2056631

KEYWORDS: Sensors, Readout integrated circuits, Infrared sensors, Quantum efficiency, Near infrared, Short wave infrared radiation, Detector development, Temperature metrology, Astronomy, Long wavelength infrared

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Proceedings Article | 8 July 2014 Open Access

Open Access

Paper

Performance of the K-band multi-object spectrograph (KMOS) on the ESO VLT

Ray Sharples, Ralf Bender, Alex Agudo Berbel, Richard Bennett, Naidu Bezawada, Roberto Castillo, Michele Cirasuolo, Paul Clark, George Davidson, Richard Davies, Roger Davies, Marc Dubbeldam, Alasdair Fairley, Gert Finger, Natascha Schreiber, Reinhard Genzel, Reinhold Haefner, Achim Hess, Ives Jung, Ian Lewis, David Montgomery, John Murray, Bernard Muschielok, Jeff Pirard, Suzanne Ramsay, Philip Rees, Josef Richter, David Robertson, Ian Robson, Stephen Rolt, Roberto Saglia, Ivo Saviane, Joerg Schlichter, Linda Schmidtobreik, Alex Segovia, Alain Smette, Matthias Tecza, Stephen Todd, Michael Wegner, Erich Wiezorrek

Proceedings Volume 9147, 91470W (2014) https://doi.org/10.1117/12.2055496

KEYWORDS: Sensors, Spectrographs, Astronomical imaging, Telescopes, Calibration, Stars, Electronics, K band, Infrared radiation, Cryogenics

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Proceedings Article | 8 July 2014 Paper

Paper

MOONS: the Multi-Object Optical and Near-infrared Spectrograph for the VLT

M. Cirasuolo, J. Afonso, M. Carollo, H. Flores, R. Maiolino, E. Oliva, S. Paltani, Leonardo Vanzi, Christopher Evans, M. Abreu, David Atkinson, C. Babusiaux, Steven Beard, F. Bauer, M. Bellazzini, Ralf Bender, P. Best, N. Bezawada, P. Bonifacio, A. Bragaglia, I. Bryson, D. Busher, A. Cabral, K. Caputi, M. Centrone, F. Chemla, A. Cimatti, M-R. Cioni, G. Clementini, J. Coelho, D. Crnojevic, E. Daddi, J. Dunlop, S. Eales, S. Feltzing, A. Ferguson, M. Fisher, A. Fontana, J. Fynbo, B. Garilli, G. Gilmore, A. Glauser, I. Guinouard, F. Hammer, P. Hastings, A. Hess, R. Ivison, P. Jagourel, M. Jarvis, L. Kaper, G. Kauffman, A. Kitching, A. Lawrence, D. Lee, B. Lemasle, G. Licausi, S. Lilly, D. Lorenzetti, D. Lunney, F. Mannucci, R. McLure, D. Minniti, D. Montgomery, B. Muschielok, K. Nandra, R. Navarro, P. Norberg, S. Oliver, L. Origlia, N. Padilla, J. Peacock, F. Pedichini, J. Peng, L. Pentericci, J. Pragt, M. Puech, S. Randich, P. Rees, A. Renzini, N. Ryde, M. Rodrigues, I. Roseboom, F. Royer, R. Saglia, A. Sanchez, R. Schiavon, H. Schnetler, D. Sobral, R. Speziali, D. Sun, R. Stuik, A. Taylor, W. Taylor, S. Todd, E. Tolstoy, M. Torres, M. Tosi, E. Vanzella, L. Venema, F. Vitali, M. Wegner, M. Wells, V. Wild, G. Wright, G. Zamorani, M. Zoccali

Proceedings Volume 9147, 91470N (2014) https://doi.org/10.1117/12.2056012

KEYWORDS: Galactic astronomy, Spectrographs, Stars, Spectral resolution, Spectroscopy, Astronomical imaging, Sensors, Cameras, Control systems, Astronomy

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Proceedings Article | 25 September 2012 Paper

Paper

Operation and performance of new NIR detectors from SELEX

D. Atkinson, N. Bezawada, L. Hipwood, N. Shorrocks, H. Milne

Proceedings Volume 8453, 84530U (2012) https://doi.org/10.1117/12.926024

KEYWORDS: Sensors, Clocks, Cadmium sulfide, Near infrared, Signal detection, Quantum efficiency, Black bodies, Diodes, Detector arrays, Detector development

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Proceedings Article | 24 September 2012 Paper

Paper

MOONS: a multi-object optical and near-infrared spectrograph for the VLT

M. Cirasuolo, J. Afonso, R. Bender, P. Bonifacio, C. Evans, L. Kaper, Ernesto Oliva, Leonardo Vanzi, Manuel Abreu, Eli Atad-Ettedgui, Carine Babusiaux, Franz Bauer, Philip Best, Naidu Bezawada, Ian Bryson, Alexandre Cabral, Karina Caputi, Mauro Centrone, Fanny Chemla, Andrea Cimatti, Maria-Rosa Cioni, Gisella Clementini, João Coelho, Emanuele Daddi, James Dunlop, Sofia Feltzing, Annette Ferguson, Hector Flores, Adriano Fontana, Johan Fynbo, Bianca Garilli, Adrian Glauser, Isabelle Guinouard, Jean-François Hammer, Peter Hastings, Hans-Joachim Hess, Rob Ivison, Pascal Jagourel, Matt Jarvis, G. Kauffman, A. Lawrence, D. Lee, G. Li Causi, S. Lilly, D. Lorenzetti, R. Maiolino, F. Mannucci, R. McLure, D. Minniti, D. Montgomery, B. Muschielok, K. Nandra, R. Navarro, P. Norberg, L. Origlia, N. Padilla, J. Peacock, F. Pedicini, L. Pentericci, J. Pragt, M. Puech, S. Randich, A. Renzini, N. Ryde, M. Rodrigues, F. Royer, R. Saglia, A. Sánchez, H. Schnetler, D. Sobral, R. Speziali, S. Todd, E. Tolstoy, M. Torres, L. Venema, F. Vitali, M. Wegner, M. Wells, V. Wild, G. Wright

Proceedings Volume 8446, 84460S (2012) https://doi.org/10.1117/12.925871

KEYWORDS: Galactic astronomy, Spectrographs, Spectral resolution, Spectroscopy, Stars, Astronomical imaging, Astronomy, Near infrared spectroscopy, Spine, Optical fibers

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Proceedings Article | 24 September 2012 Open Access

Open Access

Paper

Status of the KMOS multi-object near-infrared integral field spectrograph

Ray Sharples, Ralf Bender, Alex Agudo Berbel, Richard Bennett, Naidu Bezawada, Michele Cirasuolo, Paul Clark, George Davidson, Richard Davies, Roger Davies, Marc Dubbeldam, Alasdair Fairley, Gert Finger, Reinhard Genzel, Reinhold Haefner, Achim Hess, Ian Lewis, David Montgomery, John Murray, Bernard Muschielok, Natascha Förster-Schreiber, Jeff Pirard, Suzanne Ramsay, Phil Rees, Josef Richter, David Robertson, Ian Robson, Stephen Rolt, Roberto Saglia, Jörg Schlichter, Mathias Tecza, Stephen Todd, Michael Wegner, Erich Wiezorrek

Proceedings Volume 8446, 84460K (2012) https://doi.org/10.1117/12.926021

KEYWORDS: Spectrographs, Sensors, Mirrors, Calibration, Spectral resolution, Image quality, Astronomical imaging, Electronics, Off axis mirrors, Lamps

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Proceedings Article | 24 September 2012 Paper

Paper

Harps-N: the new planet hunter at TNG

Rosario Cosentino, Christophe Lovis, Francesco Pepe, Andrew Collier Cameron, David Latham, Emilio Molinari, Stephane Udry, Naidu Bezawada, Martin Black, Andy Born, Nicolas Buchschacher, Dave Charbonneau, Pedro Figueira, Michel Fleury, Alberto Galli, Angus Gallie, Xiaofeng Gao, Adriano Ghedina, Carlos Gonzalez, Manuel Gonzalez, Jose Guerra, David Henry, Keith Horne, Ian Hughes, Dennis Kelly, Marcello Lodi, David Lunney, Charles Maire, Michel Mayor, Giusi Micela, Mark Ordway, John Peacock, David Phillips, Giampaolo Piotto, Don Pollacco, Didier Queloz, Ken Rice, Carlos Riverol, Luis Riverol, Jose San Juan, Dimitar Sasselov, Damien Segransan, Alessandro Sozzetti, Danuta Sosnowska, Brian Stobie, Andrew Szentgyorgyi, Andy Vick, Luc Weber

Proceedings Volume 8446, 84461V (2012) https://doi.org/10.1117/12.925738

KEYWORDS: Calibration, Spectrographs, Optical fibers, Charge-coupled devices, Telescopes, Stars, Sensors, Control systems, Lamps, Planets

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Proceedings Article | 17 September 2012 Paper

Paper

Design of a compact wide field telescope for space situational awareness

David Lee, Andrew Born, Philip Parr-Burman, Peter Hastings, Brian Stobie, Naidu Bezawada

Proceedings Volume 8444, 84440F (2012) https://doi.org/10.1117/12.926076

KEYWORDS: Telescopes, Space telescopes, Sensors, Mirrors, Optical instrument design, Camera shutters, Signal to noise ratio, Modulation transfer functions, Telescope design, Charge-coupled devices

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Proceedings Article | 31 May 2012 Paper

Paper

SWIR and NIR MCT arrays grown by MOVPE for astronomy applications

L. Hipwood, N. Shorrocks, C. Maxey, D. Atkinson, N. Bezawada

Proceedings Volume 8353, 83532M (2012) https://doi.org/10.1117/12.919007

KEYWORDS: Near infrared, Astronomy, Quantum efficiency, Short wave infrared radiation, Gallium arsenide, Sensors, Multiplexers, Cladding, Semiconducting wafers, Heterojunctions

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Proceedings Article | 20 July 2010 Paper

Paper

Description of the UCam detector control system with a particular emphasis to a development of 4K X 4K camera systems

Nagaraja Bezawada, Stewart McLay, Derek Ives

Proceedings Volume 7742, 77421A (2010) https://doi.org/10.1117/12.856960

KEYWORDS: Silicon, Imaging systems, Charge-coupled devices, Cameras, CCD cameras, Digital signal processing, Quantum efficiency, Clocks, Sensors, Control systems

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Proceedings Article | 19 July 2010 Paper

Paper

UCam: universal camera controller and data acquisition system

S. McLay, N. Bezawada, D. Atkinson, D. Ives

Proceedings Volume 7740, 77403L (2010) https://doi.org/10.1117/12.858015

KEYWORDS: Cameras, Digital signal processing, Sensors, Binary data, Data acquisition, Global Positioning System, Imaging systems, Telescopes, Astronomy, Control systems

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Proceedings Article | 15 July 2010 Open Access

Open Access

Paper

Recent progress on the KMOS multi-object integral-field spectrograph for ESO VLT

Ray Sharples, Ralf Bender, Alex Agudo Berbel, Richard Bennett, Naidu Bezawada, Nicolas Bouché, David Bramall, Mark Casali, Michele Cirasuolo, Paul Clark, Mark Cliffe, Richard Davies, Roger Davies, Niv Drory, Marc Dubbeldam, Alasdair Fairley, Gert Finger, Reinhard Genzel, Reinhold Haefner, Achim Hess, Paul Jeffers, Ian Lewis, David Montgomery, John Murray, Bernard Muschielok, Natascha Förster Schreiber, Jean Pirard, Suzie Ramsay-Howat, Philip Rees, Josef Richter, David Robertson, Ian Robson, Stephen Rolt, Roberto Saglia, Joerg Schlichter, Mathias Tecza, Stephen Todd, Michael Wegner, Erich Wiezorrek

Proceedings Volume 7735, 773515 (2010) https://doi.org/10.1117/12.856125

KEYWORDS: Spectrographs, Sensors, Astronomical imaging, Spectroscopy, Mirrors, Electronics, Off axis mirrors, Manufacturing, Infrared spectroscopy, Observatories

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Proceedings Article | 22 July 2008 Paper

Paper

ULTRASPEC: an electron multiplication CCD camera for very low light level high speed astronomical spectrometry

Derek Ives, Nagaraja Bezawada, Vik Dhillon, Tom Marsh

Proceedings Volume 7021, 70210B (2008) https://doi.org/10.1117/12.790376

KEYWORDS: Charge-coupled devices, Clocks, Astronomy, Electron multiplying charge coupled devices, Sensors, Interference (communication), CCD cameras, Cameras, Telescopes, Signal to noise ratio

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Proceedings Article | 10 July 2008 Paper

Paper

KMOS housekeeping electronics and its functions

Nagaraja Bezawada, Brian Woodward, Phil Rees

Proceedings Volume 7014, 70143P (2008) https://doi.org/10.1117/12.790389

KEYWORDS: Sensors, Electronics, Control systems, Relays, Safety, Switches, Temperature metrology, Current controlled current source, Spectrographs, Temperature sensors

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Proceedings Article | 14 September 2007 Paper

Paper

Conversion gain non-linearity and its correction in hybridised near infrared detectors

Nagaraja Bezawada, Derek Ives, David Atkinson

Proceedings Volume 6690, 669005 (2007) https://doi.org/10.1117/12.732454

KEYWORDS: Sensors, Capacitance, Signal detection, Infrared sensors, Diodes, Near infrared, Electrons, CMOS sensors, Nonlinear optics, Diamond

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Proceedings Article | 28 June 2006 Paper

Paper

The VISTA infrared camera

G. Dalton, M. Caldwell, A. Ward, M. Whalley, G. Woodhouse, R. Edeson, P. Clark, S. Beard, A. Gallie, S. Todd, J. M. D. Strachan, N. Bezawada, W. Sutherland, J. Emerson

Proceedings Volume 6269, 62690X (2006) https://doi.org/10.1117/12.670018

KEYWORDS: Cameras, Telescopes, Sensors, Infrared cameras, Optical filters, Infrared telescopes, Mirrors, Staring arrays, Space telescopes, Infrared sensors

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Proceedings Article | 15 June 2006 Paper

Paper

High-speed multiple window readout of Hawaii-1RG detector for a radial velocity experiment

Nagaraja Bezawada, Derek Ives

Proceedings Volume 6276, 62760O (2006) https://doi.org/10.1117/12.670244

KEYWORDS: Sensors, Capacitance, Cadmium sulfide, Quantum efficiency, Computer programming, Signal detection, Multiplexers, Capacitive coupling, Infrared sensors, Spectrometers

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Proceedings Article | 30 September 2004 Paper

Paper

The VISTA IR camera

Gavin Dalton, Martin Caldwell, Kim Ward, Martin Whalley, Kevin Burke, John Lucas, Tony Richards, Marc Ferlet, Ruben Edeson, Daniel Tye, Bryan Shaughnessy, Mel Strachan, Eli Atad-Ettedgui, Melanie Leclerc, Angus Gallie, Nagaraja Bezawada, Paul Clark, Nirmal Bissonauth, Peter Luke, Nigel Dipper, Paul Berry, Will Sutherland, Jim Emerson

Proceedings Volume 5492, (2004) https://doi.org/10.1117/12.551378

KEYWORDS: Cameras, Telescopes, Infrared cameras, Optical filters, Sensors, Imaging systems, Staring arrays, Mirrors, Bandpass filters, Infrared telescopes

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Proceedings Article | 29 September 2004 Paper

Paper

Characterization of VISTA IR detectors

Nagaraja Bezawada, Derek Ives, Guy Woodhouse

Proceedings Volume 5499, (2004) https://doi.org/10.1117/12.550546

KEYWORDS: Sensors, Quantum efficiency, Infrared detectors, Infrared sensors, Multiplexers, Infrared cameras, Clocks, Electronics, Black bodies, Infrared radiation

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Showing 5 of 42 publications

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