Prof. Ray M. Sharples Profile

Prof. Ray M. Sharples

Professor at Durham Univ

SPIE Involvement:

Author

Publications (64)

Proceedings Article | 29 July 2024 Poster + Paper

Poster + Paper

GNIRS integral field spectroscopy modes on-sky performance

Ruben Diaz, Mark Rawlings, Ray Sharples, Emanuele Farina, Brian Lemaux, Andrew Stephens, Damian Mast, John White, Turner James, Edo Tapia, Ariadna Calcines, Cornelis Dubbeldam, Jen Miller, Cyril Bourgenot, David Ryder, Ken Parkin, Paul White, Cicero Lu, Tom Geballe, Hawi Stecher, Natalia McCarthy, Jennifer Andrews, Zachary Hartman, Javier Camperi, Hyewon Suh, Pablo Martín, María Agüero, Siyi Xu

Proceedings Volume 13096, 1309629 (2024) https://doi.org/10.1117/12.3020524

KEYWORDS: Gemini Observatory, Mirrors, Stars, Spectral resolution, Field spectroscopy, Equipment, Spectrographs, Infrared radiation, Design, Adaptive optics

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Proceedings Article | 29 August 2022 Poster + Paper

Poster + Paper

4MOST calibration system: design, assembly, and testing

Ioannis Politopoulos, Johan Pragt, Rik ter Horst, Ronald Roelfsema, Olga Bellido-Tirado, Joar Brynnel, Steffen Frey, Amina Helmi, Jeroen Herrewijnen, Roelof de Jong, Michael Lehmitz, Ramon Navarro, Allar Saviauk, Ray Sharples, Luke Tyas, Jurgen Schmoll, Walter Seifert, Menno de Haan, Menno Schuil, Eddy Elswijk, Eduardo Balbinot

Proceedings Volume 12184, 1218473 (2022) https://doi.org/10.1117/12.2629542

KEYWORDS: Calibration, Spectrographs, Integrating spheres, Telescopes, Fabry–Perot interferometers, Lamps, Camera shutters, Sensors, Mirrors, Lawrencium

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Proceedings Article | 29 August 2022 Presentation + Paper

Presentation + Paper

The HR image slicer for GNIRS at Gemini North: optical design and performance

Ariadna Calcines Rosario, Cornelis M. Dubbeldam, Ray Sharples, Cyril Bourgenot, Ruben Diaz, Andrew Stephens

Proceedings Volume 12184, 121840L (2022) https://doi.org/10.1117/12.2626235

KEYWORDS: Spectrographs, Gemini Observatory, Diffraction, Telescopes, Optical design, Image quality

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Proceedings Article | 29 August 2022 Poster

Poster

The LR-IFU for GNIRS at Gemini North : optical component manufacturing and metrology

Cyril J. Bourgenot, Ariadna Z. Calcines-Rosario, Cornelis M. DubbelDam, Ray M. Sharples, Ruben Diaz, Andrew W. Stephens

Proceedings Volume 12188, 121884X (2022) https://doi.org/10.1117/12.2629835

KEYWORDS: Gemini Observatory, Optics manufacturing, Metrology, Optical components, Spatial resolution, Telescopes, Spectrographs, Spectral resolution, Mirrors, Manufacturing

Proceedings Article | 13 December 2020 Presentation + Paper

Presentation + Paper

Performance of the Dark Energy Spectroscopic Instrument (DESI) fiber system

Claire Poppett, Patrick Jelinsky, Julien Guy, Jerry Edelstein, Sharon Jelinsky, Jessica Aguilar, Ray Sharples, Jurgen Schmoll, David Bramall, Luke Tyas, Paul Martini, Kevin Fanning, Michael Levi, David Brooks, Peter Doel, Yutong Duan, Gregory Tarle, Erique Gaztañaga, Francisco Prada

Proceedings Volume 11447, 1144711 (2020) https://doi.org/10.1117/12.2562565

KEYWORDS: Telescopes, Spectrographs, Fusion energy, Spectroscopes, Baryon acoustic oscillations, Galactic astronomy, Fiber optics, Fusion splicing

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Proceedings Article | 13 December 2020 Presentation + Paper

Presentation + Paper

Installation of the Dark Energy Spectroscopic Instrument at the Mayall 4-meter telescope

Robert Besuner, Lori Allen, Charles Baltay, David Brooks, Pierre-Henri Carton, Andrew Peter Doel, John Donaldson, Yutong Duan, Patrick Dunlop, Jerry Edelstein, Matt Evatt, Parker Fagrelius, Enrique Gaztanaga, Derek Guenther, Gaston Gutierrez, Michael Hawes, Klaus Honscheid, Pat Jelinsky, Richard Joyce, Armin Karcher, Martin Landriau, Michael Levi, Christophe Magneville, Robert Marshall, Paul Martini, Daniel Pappalardo, Claire Poppett, Francisco Prada, Ashley Ross, Michael Schubnell, Ray Sharples, William Shourt, Joseph Silber, David Sprayberry, Bob Stupak, Gregory Tarle, Kai Zhang

Proceedings Volume 11447, 1144710 (2020) https://doi.org/10.1117/12.2561507

KEYWORDS: Telescopes, Spectroscopes, Mirrors, Spectrographs, Baryon acoustic oscillations, Galactic astronomy, Optical tracking, Laser systems engineering, System integration, Optical fibers

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Proceedings Article | 12 July 2018 Paper

Paper

Design and production of DESI slit assemblies

Luke Tyas, Robert Besuner, David Bramall, Jerry Edelstein, Patrick Jelinsky, Claire Poppett, Jürgen Schmoll, Ray Sharples

Proceedings Volume 10702, 107027L (2018) https://doi.org/10.1117/12.2312034

KEYWORDS: Polishing, Epoxies, Microscopes, Spectrographs, Tolerancing, Visualization, Surface finishing, Metrology, Telescopes, Diamond

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Proceedings Article | 11 July 2018 Paper

Paper

New opportunities of freeform gratings using diamond machining

Cyril Bourgenot, Ariadna Calcines, Ray Sharples

Proceedings Volume 10706, 1070626 (2018) https://doi.org/10.1117/12.2312040

KEYWORDS: Diffraction gratings, Spectrographs, Diamond, Diamond machining, Aluminum, Spectral resolution, Hyperspectral imaging, Imaging systems, Prototyping, Telescopes

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Proceedings Article | 10 July 2018 Presentation

Presentation

DESI installation: preparations and progress (Conference Presentation)

Lori Allen, D. Sprayberry, M. Evatt, R. Marshall, B. Abareshi, T. Lavoie, R. Joyce, R. Probst, A. Dey, R. Blum, R. Besuner, P. Jelinsky, J. Silber, T. Claybaugh, C. Poppett, P. Doel, D. Brooks, G. Gutierrez, B. Flaugher, G. Gallo, D. Friend, R. Sharples, D. Bramall, K. Honscheid, P. Martini, M. Derwent, T. O'Brien

Proceedings Volume 10700, 107000T (2018) https://doi.org/10.1117/12.2312159

KEYWORDS: Telescopes, Spectroscopes, Baryon acoustic oscillations, Galactic astronomy, Fiber optics tests, Fiber optics, Spectrographs

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Proceedings Article | 10 July 2018 Paper

Paper

Calibration system for the 4MOST multi object fiber-fed spectrographs

Ronald Roelfsema, Johan Pragt, Rik ter Horst, Tibor Agocs, Olga Bellido, Joar Brynnel, Ariadna Calcines-Rosario, Steffen Frey, Amina Helmi, Jeroen Herrewijnen, Tom Houtsma, Roelof de Jong, Michael Lehmitz, Graham Murray, Gert Musters, Ramon Navarro, Allar Saviauk, Olivier Schnurr, Ray Sharples, Roland Winkler

Proceedings Volume 10702, 107027V (2018) https://doi.org/10.1117/12.2312473

KEYWORDS: Calibration, Fabry–Perot interferometers, Telescopes, Integrating spheres, Lamps, Spectrographs, Light sources, Beam splitters, Astronomical imaging, Spectrometers

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Proceedings Article | 10 July 2018 Paper

Paper

Design of freeform diffraction gratings: performance, limitations and potential applications

Ariadna Calcines, Cyril Bourgenot, Ray Sharples

Proceedings Volume 10706, 107064Z (2018) https://doi.org/10.1117/12.2312125

KEYWORDS: Diffraction gratings, Optical design, Spectrographs, Freeform optics

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Proceedings Article | 9 July 2018 Paper

Paper

Design and production of the DESI fibre cables

Jürgen Schmoll, Robert Besuner, David Bramall, David Brooks, Jerry Edelstein, Patrick Jelinsky, Michael Levi, Graham Murray, Claire Poppett, Ray Sharples, Luke Tyas, David Schlegel

Proceedings Volume 10702, 107027N (2018) https://doi.org/10.1117/12.2312140

KEYWORDS: Spectrographs, Telescopes, Product engineering, Optical fibers, Manufacturing, Astronomy, Metrology

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Proceedings Article | 9 July 2018 Paper

Paper

The DESI fiber system

Claire Poppett, Ray Sharples, Jerry Edelstein, Jurgen Schmoll, David Bramall

Proceedings Volume 10702, 107027O (2018) https://doi.org/10.1117/12.2312176

KEYWORDS: Spectrographs, Fusion splicing, Optical fibers, Telescopes, Glasses, Optics manufacturing, Spectroscopes

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Proceedings Article | 6 July 2018 Presentation + Paper

Presentation + Paper

Overview of the Dark Energy Spectroscopic Instrument

Paul Martini, Stephen Bailey, Robert Besuner, David Brooks, Peter Doel, Jerry Edelstein, Daniel Eisenstein, Brenna Flaugher, Gaston Gutierrez, Stewart Harris, Klaus Honscheid, Patrick Jelinsky, Richard Joyce, Stephen Kent, Michael Levi, Francisco Prada, Claire Poppett, David Rabinowitz, Constance Rockosi, Laia Cardiel Sas, David Schlegel, Michael Schubnell, Ray Sharples, Joseph Silber, David Sprayberry, Risa Wechsler

Proceedings Volume 10702, 107021F (2018) https://doi.org/10.1117/12.2313063

KEYWORDS: Spectrographs, Cameras, Telescopes, Imaging systems, Spectroscopes, Control systems, Camera shutters, Near infrared, Astronomy, Physics

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Proceedings Article | 9 August 2016 Paper

Paper

The DESI slit design: science and calibration solutions

Jurgen Schmoll, Robert Besuner, David Bramall, Colin Dunlop, Jerry Edelstein, Patrick Jelinsky, Claire Poppett, Ray Sharples, Gordon Talbot

Proceedings Volume 9908, 99088T (2016) https://doi.org/10.1117/12.2233050

KEYWORDS: Spectrographs, Calibration, Optics manufacturing, Astronomical imaging, Telescopes, Astronomical imaging, Polishing, Tolerancing, Beam splitters, Manufacturing, Observatories

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Proceedings Article | 9 August 2016 Paper

Paper

Fiber system design for the Dark Energy Spectroscopic Instrument (DESI)

Claire Poppett, Ray Sharples, Jerry Edelstein, Jürgen Schmoll, David Bramall, Parker Fagrelius

Proceedings Volume 9908, 99089A (2016) https://doi.org/10.1117/12.2234553

KEYWORDS: Spectrographs, Spectroscopes, Polishing, Telescopes, Collimation, Solids, Coating, Actuators, Calibration, Fusion splicing

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Proceedings Article | 27 July 2016 Paper

Paper

On-ground characterization of the Euclid's CCD273-based readout chain

Magdalena Szafraniec, R. Azzollini, M. Cropper, S. Pottinger, A. Khalil, M. Hailey, D. Hu, C. Plana, A. Cutts, T. Hunt, R. Kohley, D. Walton, C. Theobald, R. Sharples, J. Schmoll, P. Ferrando

Proceedings Volume 9915, 991510 (2016) https://doi.org/10.1117/12.2232922

KEYWORDS: Electronics, Point spread functions, Charge-coupled devices, Power supplies, Calibration, Fermium, Frequency modulation, Sensors, Field programmable gate arrays, Clocks

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Proceedings Article | 24 July 2014 Paper

Paper

Performance of the Southern African Large Telescope (SALT) High Resolution Spectrograph (HRS)

Lisa Crause, Ray Sharples, David Bramall, Jürgen Schmoll, Paul Clark, Eddy Younger, Luke Tyas, Sean Ryan, Janus Brink, Ockert Strydom, David Buckley, Martin Wilkinson, Steven Crawford, Éric Depagne

Proceedings Volume 9147, 91476T (2014) https://doi.org/10.1117/12.2055635

KEYWORDS: Spectrographs, Stars, Spectral resolution, Mirrors, Calibration, Telescopes, Iodine cells, Large telescopes, Lawrencium, Cameras

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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 | 24 September 2012 Paper

Paper

VXMS: the VISTA extreme multiplex spectrograph

Robert Content, Tom Shanks, Ray Sharples, David Bramall, Will Percival

Proceedings Volume 8446, 844664 (2012) https://doi.org/10.1117/12.927260

KEYWORDS: Spectrographs, Space telescopes, Telescopes, Sensors, Galactic astronomy, Lens design, Baryon acoustic oscillations, Spectroscopy, Optical instrument design, Image quality

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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

The SALT HRS spectrograph: instrument integration and laboratory test results

D. Bramall, J. Schmoll, L. M. Tyas, P. Clark, E. Younger, R. Sharples, N. Dipper, S. Ryan, D. Buckley, J. Brink

Proceedings Volume 8446, 84460A (2012) https://doi.org/10.1117/12.925935

KEYWORDS: Spectrographs, Mirrors, Cameras, Charge-coupled devices, Sensors, Lawrencium, Optics manufacturing, Telescopes, Coating, Optical alignment

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Proceedings Article | 21 September 2012 Paper

Paper

Optical telescope BIRT in ORIGIN for gamma ray burst observing

Robert Content, Ray Sharples, Mathew Page, Richard Cole, David Walton, Berend Winter, Kristian Pedersen, Jens Hjorth, Michael Andersen, Allan Hornstrup, Jan-Willem den Herder, Luigi Piro

Proceedings Volume 8442, 84424E (2012) https://doi.org/10.1117/12.926656

KEYWORDS: Space telescopes, Spectrographs, Telescopes, Gamma radiation, Mirrors, X-ray telescopes, Optical telescopes, X-rays, Image resolution, Sensors

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Proceedings Article | 13 September 2012 Paper

Paper

CEOI microslice spectrograph

Robert Content, Simon Blake, Colin Dunlop, David Nandi, Ray Sharples, Gordon Talbot, Tom Shanks, Danny Donoghue, Nikolaos Galiatsatos, Peter Luke

Proceedings Volume 8450, 84501P (2012) https://doi.org/10.1117/12.927267

KEYWORDS: Sensors, Spectrographs, Microlens array, Cameras, Space telescopes, Telescopes, Point spread functions, Single photon emission computed tomography, Prototyping, Microlens

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Proceedings Article | 13 September 2012 Paper

Paper

The KMOS Integral Field System: fabrication, alignment, and test of 1000+ optical surfaces

Cornelis Dubbeldam, Paul Clark, Robert Content, Andrew Kirby, Ken Parkin, David Robertson, Stephen Rolt, David Ryder, Ray Sharples

Proceedings Volume 8450, 84501M (2012) https://doi.org/10.1117/12.925134

KEYWORDS: Mirrors, Optical alignment, Image quality, Optical components, Iterated function systems, Diamond machining, Surface roughness, Optical fabrication, Optics manufacturing, Spectrographs

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Proceedings Article | 10 August 2010 Paper

Paper

EUCLID: design of the prism DMD NIR spectrograph

Robert Content, Ray Sharples, Simon Blake, R. Gordon Talbot

Proceedings Volume 7731, 77312Y (2010) https://doi.org/10.1117/12.857937

KEYWORDS: Digital micromirror devices, Spectrographs, Prisms, Mirrors, Optics manufacturing, Sensors, Micromirrors, Space telescopes, Image quality, Near infrared

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Proceedings Article | 6 August 2010 Paper

Paper

The E-NIS instrument on-board the ESA Euclid Dark Energy Mission: a general view after positive conclusion of the assessment phase

L. Valenziano, F. M. Zerbi, A. Cimatti, A. Bianco, C. Bonoli, F. Bortoletto, A. Bulgarelli, R. C. Butler, R. Content, L. Corcione, A. De Rosa, P. Franzetti, B. Garilli, F. Gianotti, E. Giro, R. Grange, P. Leutenegger, S. Ligori, L. Martin, N. Mandolesi, G. Morgante, L. Nicastro, M. Riva, M. Robberto, R. Sharples, P. Spanò, G. Talbot, M. Trifoglio, R. Wink, F. Zamkotsian

Proceedings Volume 7731, 77311L (2010) https://doi.org/10.1117/12.857103

KEYWORDS: Digital micromirror devices, Sensors, Spectrographs, Mirrors, Near infrared, Micromirrors, Galactic astronomy, Space telescopes, Spectroscopy, Spectroscopes

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Proceedings Article | 22 July 2010 Paper

Paper

Defining requirements and identifying relevant technologies in astrophotonics

Jeremy Allington-Smith, Timothy Birks, Joss Bland-Hawthorn, Colin Cunningham, Sonali Dagupta, Roger Haynes, Paulo J. Garcia, Ajoy Kar, Andreas Kelz, Pierre Kern, Lucas Labadie, Jon Lawrence, Etienne Le Coarer, Martin Roth, Stefano Minardi, Ray Sharples, Robert Thomson

Proceedings Volume 7739, 773925 (2010) https://doi.org/10.1117/12.857228

KEYWORDS: Astrophotonics, Interferometry, Waveguides, Astronomy, Sensors, Photonic devices, Spectroscopy, Integrated optics, Spectrographs, Telescopes

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Proceedings Article | 21 July 2010 Paper

Paper

Design drivers for a wide-field multi-object spectrograph for the William Herschel Telescope

Marc Balcells, Chris Benn, David Carter, Gavin Dalton, Scott Trager, Sofia Feltzing, Mark A. Verheijen, Matt Jarvis, Will Percival, Don Abrams, Tibor Agocs, Anthony G. Brown, Diego Cano, Chris Evans, Amina Helmi, Ian Lewis, Ross McLure, Reynier Peletier, Ismael Pérez-Fournon, Ray Sharples, Ian A. Tosh, Ignacio Trujillo, Nic Walton, Kyle Westhall

Proceedings Volume 7735, 77357G (2010) https://doi.org/10.1117/12.856947

KEYWORDS: Galactic astronomy, Spectrographs, Telescopes, Molybdenum, Stars, Astronomical imaging, Spectral resolution, Spectroscopy, Cameras, Galaxy evolution

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Proceedings Article | 21 July 2010 Paper

Paper

eXtreme multiplex spectrograph: a high-demanding mechanical design

S. Becerril, K. Meisenheimer, C. Dubbeldam, R. Content, R. Rohloff, F. Prada, T. Shanks, R. Sharples

Proceedings Volume 7735, 773556 (2010) https://doi.org/10.1117/12.856681

KEYWORDS: Sensors, Tolerancing, Optomechanical design, Spectrographs, Interfaces, Mechanical engineering, Camera shutters, Stars, Cameras, Aluminum

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Proceedings Article | 20 July 2010 Paper

Paper

The SALT HRS spectrograph: final design, instrument capabilities, and operational modes

D. Bramall, R. Sharples, L. Tyas, J. Schmoll, P. Clark, P. Luke, N. Looker, N. Dipper, S. Ryan, D. A. Buckley, J. Brink, S. Barnes

Proceedings Volume 7735, 77354F (2010) https://doi.org/10.1117/12.856382

KEYWORDS: Spectrographs, Charge-coupled devices, Stars, Spectral resolution, Telescopes, Astronomy, Optical design, Sensors, Optics manufacturing, Cameras

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Proceedings Article | 15 July 2010 Paper

Paper

XMS and NG1dF: extreme multiplex spectrographs for wide-field multi-object spectroscopy

Robert Content, Sam Barden, Santiago Becerril, Armin Boehm, Paul Clark, Pedro Costillo, C. Mark Dubbeldam, Tony Farrell, Karl Glazebrook, Roger Haynes, Klaus Meisenheimer, Stan Miziarski, Nikolaos Nikoloudakis, Luis Francisco Prada, Ralf-Rainer Rohloff, Tom Shanks, Ray Sharples, Karl Wagner

Proceedings Volume 7735, 77351Q (2010) https://doi.org/10.1117/12.857932

KEYWORDS: Spectrographs, Galactic astronomy, Baryon acoustic oscillations, Telescopes, Spectroscopy, Lenses, Spectral resolution, Sensors, Image quality, Mechanical engineering

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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 | 26 August 2009 Paper

Paper

DMD multi-object spectroscopy in space: the EUCLID study

P. Spanò, F. Zamkotsian, R. Content, R. Grange, M. Robberto, L. Valenziano, F. Zerbi, R. Sharples, F. Bortoletto, V. De Caprio, L. Martin, A. De Rosa, P. Franzetti, E. Diolaiti, B. Garilli, L. Guzzo, P. Leutenegger, M. Scodeggio, R. Vink, G. Zamorani, A. Cimatti

Proceedings Volume 7436, 74360O (2009) https://doi.org/10.1117/12.825641

KEYWORDS: Digital micromirror devices, Spectrographs, Space telescopes, Prisms, Mirrors, Sensors, Micromirrors, Telescopes, Astronomical imaging, Spectroscopes

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Proceedings Article | 25 July 2008 Paper

Paper

The optical design of the Southern African Large Telescope high resolution spectrograph: SALT HRS

S. Barnes, P. Cottrell, M. Albrow, N. Frost, G. Graham, G. Kershaw, R. Ritchie, D. Jones, R. Sharples, D. Bramall, J. Schmoll, P. Luke, P. Clark, L. Tyas, D. A. Buckley, J. Brink

Proceedings Volume 7014, 70140K (2008) https://doi.org/10.1117/12.788219

KEYWORDS: Cameras, Mirrors, Spectrographs, Spectral resolution, Charge-coupled devices, Optical design, Image quality, Large telescopes, Sensors, Lenses

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Proceedings Article | 25 July 2008 Paper

Paper

Commissioning of the Southern African Large Telescopes (SALT) first-generation instruments

D. A. Buckley, S. Barnes, E. Burgh, S. Crawford, P. Cottrell, A. Kniazev, K. Nordsieck, D. O'Donoghue, N. Rangwala, R. Zánmar Sánchez, R. Sharples, A. Sheinis, P. Väisänen, T. Williams

Proceedings Volume 7014, 701407 (2008) https://doi.org/10.1117/12.789438

KEYWORDS: Received signal strength, Cameras, Telescopes, Fabry–Perot interferometers, Spectrographs, Coating, Imaging spectroscopy, Charge-coupled devices, Galactic astronomy, Collimators

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Proceedings Article | 16 July 2008 Paper

Paper

Deformable mirror controller for open-loop adaptive optics

Dani Guzmán, Andrés Guesalaga, Richard Myers, Ray Sharples, Tim Morris, Alastair Basden, Christopher Saunter, Nigel Dipper, Laura Young, Luis Rodríguez, Marcos Reyes, Yolanda Martin

Proceedings Volume 7015, 70153X (2008) https://doi.org/10.1117/12.787677

KEYWORDS: Sensors, Adaptive optics, Deformable mirrors, Turbulence, Wavefront sensors, Tomography, Actuators, Monte Carlo methods, Optical design, Image resolution

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Proceedings Article | 12 July 2008 Paper

Paper

Offspring of SPACE: the spectrograph channel of the ESA Dark Energy Mission EUCLID

Robert Content, Andrea Cimatti, Massimo Robberto, Robert Grange, Paolo Spanò, Ray Sharples, Carlton Baugh, Bianca Garilli, Luigi Guzzo, Olivier Le Fevre, Dario Maccagni, Piero Rosati, Yun Wang, Giovanni Zamorani, Filippo Zerbi

Proceedings Volume 7010, 70104S (2008) https://doi.org/10.1117/12.805409

KEYWORDS: Spectrographs, Digital micromirror devices, Prisms, Mirrors, Space telescopes, Telescopes, Sensors, Near infrared, Imaging spectroscopy, Micromirrors

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Proceedings Article | 12 July 2008 Paper

Paper

Optical ground support equipment for the alignment of JWST-NIRSpec

J. Schmoll, A. Basden, D. Bramall, P. Clark, R. Cole, G. Dodsworth, S. Goodsell, A. McCalden, G. Murray, R. Myers, R. Sharples, J. Tandy, P. Thomas

Proceedings Volume 7010, 70103B (2008) https://doi.org/10.1117/12.789521

KEYWORDS: Optical alignment, Wavefront sensors, Fourier transforms, Infrared telescopes, Information technology, Space telescopes, Infrared radiation, James Webb Space Telescope, Spectrographs, Light sources

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Proceedings Article | 18 February 2008 Paper

Paper

Synthesis of approximate zonal controllers for MEMS DMs

Andres Guesalaga, Dani Guzman, Richard Myers, Ray Sharples, Tim Morris, Christopher Saunter, Alastair Basden

Proceedings Volume 6888, 68880K (2008) https://doi.org/10.1117/12.760838

KEYWORDS: Actuators, Adaptive optics, Sensors, Wavefronts, Turbulence, Microelectromechanical systems, Wavefront sensors, Control systems, Device simulation, Error analysis

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Proceedings Article | 6 July 2006 Paper

Paper

Prototyping of diamond machined optics for the KMOS and JWST NIRSpec integral field units

Cornelis Dubbeldam, David Robertson, David Ryder, Ray Sharples

Proceedings Volume 6273, 62733F (2006) https://doi.org/10.1117/12.669355

KEYWORDS: Mirrors, James Webb Space Telescope, Diamond machining, Prototyping, Surface roughness, Optical components, Optical alignment, Diamond, Spectrographs, Fabrication

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Proceedings Article | 28 June 2006 Open Access

Open Access

Paper

Design of the KMOS multi-object integral-field spectrograph

Ray Sharples, Ralf Bender, Richard Bennett, Keith Burch, Paul Carter, Mark Casali, Paul Clark, Robert Content, Richard Davies, Roger Davies, Marc Dubbeldam, Gert Finger, Reinhard Genzel, Reinhold Haefner, Achim Hess, Markus Kissler-Patig, Ken Laidlaw, Matt Lehnert, Ian Lewis, Alan Moorwood, Bernard Muschielok, Natascha Förster-Schreiber, Jeff Pirard, Suzanne Ramsay Howat, Phil Rees, Josef Richter, David Robertson, Ian Robson, Roberto Saglia, Matthias Tecza, Naranjan Thatte, Stephen Todd, Michael Wegner

Proceedings Volume 6269, 62691C (2006) https://doi.org/10.1117/12.669781

KEYWORDS: Spectrographs, Mirrors, Astronomical imaging, Spectroscopy, Galactic astronomy, Calibration, Sensors, Astronomy, Infrared spectroscopy, Prototyping

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Proceedings Article | 30 September 2004 Open Access

Open Access

Paper

KMOS: an infrared multiple-object integral field spectrograph for the ESO VLT

Ray Sharples, Ralf Bender, Matthew Lehnert, Suzanne Ramsay Howat, M. Bremer, Roger Davies, Reinhard Genzel, Reiner Hofmann, Rob Ivison, R. Saglia, Niranjan Thatte

Proceedings Volume 5492, (2004) https://doi.org/10.1117/12.550495

KEYWORDS: Galactic astronomy, Spectrographs, Spectroscopy, Infrared radiation, Sensors, Cryogenics, Infrared spectroscopy, Spectral resolution, Observatories, Spectroscopes

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Proceedings Article | 30 September 2004 Paper

Paper

Cryogenic tests of volume-phase holographic gratings

Naoyuki Tamura, Graham Murray, Peter Luke, Colin Blackburn, David Robertson, Nigel Dipper, Ray Sharples, Jeremy Allington-Smith

Proceedings Volume 5492, (2004) https://doi.org/10.1117/12.550797

KEYWORDS: Diffraction, Diffraction gratings, Cryogenics, Temperature metrology, Sensors, Spectrographs, Volume holography, Holography, Monochromators, Optical testing

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Proceedings Article | 30 September 2004 Paper

Paper

Large-field reflective integral field systems for visible and infrared spectroscopy

Robert Content, Cornelis Dubbeldam, David Robertson, Ray Sharples, Simon Morris

Proceedings Volume 5492, (2004) https://doi.org/10.1117/12.552022

KEYWORDS: Mirrors, Spectrographs, Reflectivity, Image quality, Artificial intelligence, Optical instrument design, Telescopes, Visible radiation, Atmospheric optics, Optical design

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Proceedings Article | 30 September 2004 Paper

Paper

A prototype cryogenic pick-off arm for multi-IFU spectrometers

Suzanne Ramsay Howat, David Robertson, Andrew Haslehurst, Juergen Schmoll, Philip Parr Burman, Ray Sharples, Colin Dickson, Peter Hastings, David Lee, Peter Luke, Paul McMahon, Nigel Phillips, Martyn Wells, Colin Cunnigham, Nigel Dipper, Robin Aspey

Proceedings Volume 5492, (2004) https://doi.org/10.1117/12.551545

KEYWORDS: Cryogenics, Prototyping, Telescopes, Tolerancing, Astronomy, Large telescopes, Spectrographs, Manufacturing, Astronomical imaging, Space telescopes

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Proceedings Article | 7 March 2003 Paper

Paper

Multiple integral field spectroscopy using image slicers

Suzanne Ramsay-Howat, Ray Sharples, Gillian Wright, Peter Hastings, Martyn Wells, Colin Cunningham, Juergen Schmoll, Robert Content, David Robertson

Proceedings Volume 4841, (2003) https://doi.org/10.1117/12.461486

KEYWORDS: Spectrographs, Relays, Sensors, Telescopes, Cryogenics, Mirrors, Field spectroscopy, Space telescopes, Gemini Observatory, Prisms

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Proceedings Article | 7 March 2003 Open Access

Open Access

Paper

KMOS: an infrared multi-integral field spectrograph for the VLT

Ray Sharples, Ralf Bender, Reiner Hofmann, Reinhard Genzel, Rob Ivison

Proceedings Volume 4841, (2003) https://doi.org/10.1117/12.460985

KEYWORDS: Spectrographs, Galactic astronomy, Sensors, Infrared spectroscopy, Infrared radiation, Spectral resolution, Cryogenics, Kinematics, Spectroscopy, Telescopes

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Proceedings Article | 30 January 2003 Paper

Paper

Design and construction of a multiple integral-field unit for 8-m telescopes

Deqing Ren, Jeremy Allington-Smith, Ray Sharples, George Dodsworth

Proceedings Volume 4842, (2003) https://doi.org/10.1117/12.456668

KEYWORDS: Microlens array, Microlens, Telescopes, Near infrared, Spectrographs, Prisms, Visible radiation, Optical instrument design, Iterated function systems, Prototyping

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SPIE Journal Paper | 1 December 2001

Design and construction of a fiber bundle connector using microlenses

Deqing Ren, Ray Sharples, Jeremy Allington-Smith, George Dodsworth, David Robertson, Gavin Dalton

OE, Vol. 40, Issue 12, (December 2001) https://doi.org/10.1117/12.10.1117/1.1416824

KEYWORDS: Connectors, Lenses, Optical alignment, Optical aberrations, Prototyping, Microlens, Light, Fiber couplers, Interfaces, Laser sintering

Proceedings Article | 2 March 2001 Paper

Paper

Dual-conjugate adaptive optics

Thu-Lan Kelly, David Buscher, Paul Clark, Colin Dunlop, Gordon Love, Richard Myers, Ray Sharples, Andrew Zadrozny

Proceedings Volume 4353, (2001) https://doi.org/10.1117/12.417746

KEYWORDS: Turbulence, Spatial light modulators, Adaptive optics, Telescopes, Lithium, Fourier transforms, Point spread functions, Atmospheric optics, Off axis mirrors, Mirrors

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Proceedings Article | 16 August 2000 Paper

Paper

TEIFU: a high-resolution integral field unit for the William Herschel Telescope

Graham Murray, Jeremy Allington-Smith, Robert Content, George Dodsworth, Colin Dunlop, Roger Haynes, Ray Sharples, John Webster

Proceedings Volume 4008, (2000) https://doi.org/10.1117/12.395519

KEYWORDS: Microlens array, Spectrographs, Adaptive optics, Telescopes, Microlens, Stars, Mirrors, Sensors, Cameras, Photography

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Proceedings Article | 16 August 2000 Paper

Paper

GIRMOS: an infrared multi-object spectrograph for Gemini

Gillian Wright, Ray Sharples, Peter Hastings, Martyn Wells, Eli Ettedgui-Atad, Jeremy Allington-Smith, David Robertson, Robert Content, Ian Parry

Proceedings Volume 4008, (2000) https://doi.org/10.1117/12.395530

KEYWORDS: Spectrographs, Gemini Observatory, Stars, Field spectroscopy, Mirrors, Prisms, Infrared spectroscopy, Adaptive optics, Astronomical imaging, Spectroscopy

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Proceedings Article | 16 August 2000 Paper

Paper

Fiber multi-object spectrograph (FMOS) for the Subaru Telescope

Toshinori Maihara, Kouji Ohta, Naoyuki Tamura, Hiroshi Ohtani, Masayuki Akiyama, Junichi Noumaru, Norio Kaifu, Hiroshi Karoji, Masanori Iye, Gavin Dalton, Ian Parry, David Robertson, Ray Sharples, Deqing Ren, Jeremy Allington-Smith, Keith Taylor, Peter Gillingham

Proceedings Volume 4008, (2000) https://doi.org/10.1117/12.395429

KEYWORDS: Spectrographs, Optical spheres, Telescopes, Near infrared, Mirrors, Astronomical imaging, Spectroscopy, Stars, Optical components, Galactic astronomy

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Proceedings Article | 16 August 2000 Paper

Paper

EMIR: cryogenic NIR multi-object spectrograph for GTC

Marc Balcells, R. Guzman, Jesus Patron, Alfonso Aragon-Salamanca, J. Azcue, Jose Ballester Lluch, M. Barroso, F. Beigbeder, Sylvie Brau-Nogue, Nicole Cardiel, Dave Carter, Jose Diaz-Garcia, E. de la Fuente, F. Javier Fuentes, Ana Fragoso-Lopez, Fernando Gago, Jess Gallego, J. Gomez-Elvira, J. Heredero, Damien Jones, J. Lopez, Peter Luke, Antonio Manescau, T. Munoz, R. Peletier, Roser Pello, Jean Picat, David Robertson, Jose Rodriguez, Angel Serrano, Ray Sharples, Jaime Zamorano

Proceedings Volume 4008, (2000) https://doi.org/10.1117/12.395538

KEYWORDS: Spectrographs, Sensors, Cryogenics, Galactic astronomy, Astronomical imaging, Mirrors, Lenses, Telescopes, Cameras, Spectral resolution

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Proceedings Article | 16 August 2000 Paper

Paper

MOSAIC: a multi-object spectrograph with adaptive image correction

Ray Sharples, Richard Myers, Nicholas Walton

Proceedings Volume 4008, (2000) https://doi.org/10.1117/12.395477

KEYWORDS: Adaptive optics, Spectrographs, Stars, Turbulence, Telescopes, Galactic astronomy, Sensors, Astronomical imaging, Rayleigh guide stars, Wavefronts

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Proceedings Article | 19 July 1999 Paper

Paper

Dual-conjugate wavefront generation with liquid crystal spatial light modulators

Thu-Lan Kelly, Gordon Love, David Buscher, Richard Myers, Colin Dunlop, Andrew Zadrozny, Ray Sharples

Proceedings Volume 3749, (1999) https://doi.org/10.1117/12.354941

KEYWORDS: Wavefronts, Liquid crystals, Spatial light modulators, Turbulence, Adaptive optics, Atmospheric optics, Optical testing, Ferroelectric LCDs, Binary data, Physics

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Proceedings Article | 21 March 1997 Paper

Paper

Autofib-2: commissioning results of a robotic multiobject fiber system for the William Herschel Telescope

Ian Lewis, Ray Sharples, Ian Parry, Lewis Jones, Frederick Watson, Stuart Barker, Paul Rees

Proceedings Volume 2871, (1997) https://doi.org/10.1117/12.269022

KEYWORDS: Telescopes, Robotics, Robotic systems, Calibration, Observatories, Photography, Control systems, Stars, Roads, Astronomy

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Proceedings Article | 1 June 1994 Paper

Paper

Autofib--2: an automated fiber positioner for the prime focus of the William Herschel Telescope

Ian Parry, Ian Lewis, Ray Sharples, George Dodsworth, John Webster, David Gellatly, Lewis Jones, Frederick Watson

Proceedings Volume 2198, (1994) https://doi.org/10.1117/12.176708

KEYWORDS: Telescopes, Spectrographs, Optical fibers, Observatories, Robotics, Charge-coupled devices, Computer programming, Astronomy, Spectroscopy, Connectors

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Proceedings Article | 31 May 1994 Paper

Paper

Astronomical adaptive optics system for use on a 4-m-class telescope at optical wavelengths

Richard Myers, Andrew Doel, Colin Dunlop, John Major, Ray Sharples, Andrew Vick

Proceedings Volume 2201, (1994) https://doi.org/10.1117/12.176077

KEYWORDS: Adaptive optics, Astronomy, Telescopes, Wavefront sensors, Mirrors, Astronomical telescopes, Stars, Sensors, Control systems, Astronomical imaging

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Proceedings Article | 31 May 1994 Paper

Paper

Wavefront reconstruction algorithms for astronomical adaptive optics systems

Ray Sharples, Andrew Doel, Richard Myers

Proceedings Volume 2201, (1994) https://doi.org/10.1117/12.176103

KEYWORDS: Mirrors, Wavefront sensors, Point spread functions, Astronomy, Adaptive optics, Wavefront reconstruction, Stars, Reconstruction algorithms, Wavefronts, Control systems

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Proceedings Article | 31 May 1994 Paper

Paper

Binary adaptive optics: a status report

Gordon Love, Andrew Doel, Richard Myers, Alan Purvis, Ray Sharples

Proceedings Volume 2201, (1994) https://doi.org/10.1117/12.176075

KEYWORDS: Adaptive optics, Wavefronts, Spatial light modulators, Binary data, Polarization, Infrared imaging, Astronomy, Ferroelectric LCDs, Phase shifts, Point spread functions

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Proceedings Article | 13 January 1992 Paper

Paper

MARTINI: sensing and control system design

Andrew Doel, Colin Dunlop, John Major, Richard Myers, Ray Sharples

Proceedings Volume 1543, (1992) https://doi.org/10.1117/12.51202

KEYWORDS: Sensors, Imaging systems, Wavefront sensors, Visible radiation, Imaging spectroscopy, Photon counting, Wavefronts, Astronomy, Optical components, Filtering (signal processing)

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Proceedings Article | 1 December 1991 Paper

Paper

MARTINI: system operation and astronomical performance

Andrew Doel, Colin Dunlop, John Major, Richard Myers, Ray Sharples

Proceedings Volume 1542, (1991) https://doi.org/10.1117/12.48820

KEYWORDS: Stars, Mirrors, Astronomy, Telescopes, Wavefront sensors, Adaptive optics, Wavefronts, Control systems, Astronomical telescopes, Lanthanum

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Showing 5 of 64 publications

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