Mr. Timothy J. Norton Profile

Timothy J. Norton

Project Manager at Harvard-Smithsonian Ctr for Astrophysics

SPIE Involvement:

Author

Publications (34)

Proceedings Article | 29 August 2022 Presentation + Paper

The mosaic CMOS wide field camera for transneptunian automatic occultation survey

Shiang-Yu Wang, Bo-Jhou Wang, Hung-Hsu Ling, Yin-Chang Chang, Shu-Fu Hsu, Hsin-Yo Chen, Pin-Jie Huang, Chung-Kai Huang, Matthew Lehner, John Geary, Stephen Amato, Andrew Szentgyorgyi, Timothy Norton, Charles Alcock

Proceedings Volume 12184, 121840S (2022) https://doi.org/10.1117/12.2628438

KEYWORDS: Cameras, Sensors, Stars, Telescopes, Field programmable gate arrays, Signal processing, CMOS sensors, Video processing, Control systems

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Proceedings Article | 13 December 2020 Presentation + Paper

Status of scientific commissioning of the Greenland Telescope

Jun Yi Koay, Satoki Matsushita, Keiichi Asada, Nimesh Patel, Chih-Wei Huang, Geoffrey Bower, Shu-Hao Chang, Ming-Tang Chen, Chung-Cheng Chen, Ryan Chilson, Chih-Chiang Han, Paul T. Ho, Yau-De Huang, Makoto Inoue, Homin Jiang, Patrick Koch, Shoko Koyama, Cheng-Yu Kuo, Derek Kubo, Chao-Te Li, Ching-Tang Liu, Kuan-Yu Liu, Wen-Ping Lo, Pierre Martin-Cocher, Masanori Nakamura, Timothy Norton, George Nystrom, Peter Oshiro, Jongho Park, Hung-Yi Pu, Philippe Raffin, Ramprasad Rao, Cristina Romero-Canizales, Paul Shaw, Tirupati Sridharan, Ranjani Srinivasan, Ta-Shun Wei, Chen-Yu Yu

Proceedings Volume 11445, 114450Q (2020) https://doi.org/10.1117/12.2561491

KEYWORDS: Telescopes, Atmospheric modeling, Antennas, Refraction, Photogrammetry

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Proceedings Article | 13 December 2020 Poster + Paper

Control and monitoring software for the Greenland Telescope

Chih-Wei Locutus Huang, Satoki Matsushita, Nimesh Patel, Ranjani Srinivasan, Keiichi Asada, Geoffrey Bower, Shu-Hao Chang, Chung-Cheng Chen, Ming-Tang Chen, Ryan Chilson, Chih-Chiang Han, Paul T. Ho, Yau-De Huang, Makoto Inoue, Homin Jiang, Jun Yi Koay, Patrick Koch, Shoko Koyama, Derek Kubo, Cheng-Yu Kuo, Chao-Te Li, Ching-Tang Liu, Kuan-Yu Liu, Wen-Ping Lo, Pierre Martin-Cocher, Masanori Nakamura, Timothy Norton, George Nystrom, Peter Oshiro, Jongho Park, Hung-Yi Pu, Philippe Raffin, Ramprasad Rao, Cristina Romero-Cañizales, Paul Shaw, T. Sridharan, Ta-Shun Wei, Chen-Yu Yu

Proceedings Volume 11452, 114521S (2020) https://doi.org/10.1117/12.2561430

KEYWORDS: Telescopes, Control systems, Telecommunications, Interfaces, Receivers, Radio telescopes, Interferometry, Antennas, Adaptive control, Databases

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Proceedings Article | 9 July 2018 Paper

The first-light receivers for the Greenland Telescope

Chih-Chiang Han, Ming-Tang Chen, Yau-De Huang, Derek Kubo, Chih-Cheng Chang, Shu-Hao Chang, Ta-Shun Wei, Ji-Dian Huang, Chung-Chen Chen, Philippe Raffin, Ching-Tang Liu, Paul T. Ho, Makota Inoue, Satoki Matsushita, Keiichi Asada, Timothy Norton, Ryan Chilson, Ranjani Srinivasan, Kuan-Yu Liu, Chao-Te Li, Daniel Bintley, Craig Walther, Per Friberg, Jessica Dempsey, Hideo Ogawa, Kimihiro Kimura, Yutaka Hasagawa, Sivasankaran Srikanth

Proceedings Volume 10708, 1070835 (2018) https://doi.org/10.1117/12.2313475

KEYWORDS: Receivers, Telescopes, Antennas, Reflectors, Observatories, Polarization

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Proceedings Article | 9 July 2018 Presentation + Paper

Electronics instrumentation for the Greenland Telescope

Derek Kubo, Chih-Chiang Han, Hiroaki Nishioka, Ryan Chilson, Ranjani Srinivasan, Sheng-Feng Yen, Kuo-Chieh Fu, Homin Jiang, Kuan-Yu Liu, Ta-Shun Wei, Chih-Wei Huang, Chen-Yu Yu, Peter Oshiro, Shu-Hao Chang, Chung-Cheng Chen, Philippe Raffin, Yau-De Huang, Pierre Martin-Cocher, Ming-Tang Chen, Makoto Inoue, Satoki Matsushita, Keiichi Asada, Shoko Koyama, Patrick Koch, Paul T. Ho, Yang-Tai Shaw, Timothy Norton, Nimesh Patel, Shepherd Doeleman, Daniel Bintley, Craig Walther, Per Friberg, Jessica Dempsey, Hideo Ogawa, Kimihiro Kimura, Yutaka Hasegawa, Ching-Tang Liu, Kou-Chang Han, Song-Chu Chang, Li-Ming Lu

Proceedings Volume 10708, 1070816 (2018) https://doi.org/10.1117/12.2312241

KEYWORDS: Receivers, Switches, Photonics, Telescopes, Sensors, Antennas, Electronics, Spectroscopy, Oscillators

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Proceedings Article | 6 July 2018 Presentation + Paper

The Greenland telescope: Thule operations

Ming-Tang Chen, Philippe Raffin, Paul T. Ho, Makoto Inoue, Ching-Tang Liu, Yau-De Huang, Chih-Chiang Han, Timothy Norton, Satoki Matsushita, Keiichi Asada, George Nystrom, Derek Kubo, Nimesh Patel, Shu-Hao Chang, Ta-Shun Wei, Pierre Martin-Cocher, Homin Jiang, Paul Shaw, Hiroaki Nishioka, Chih-Wei L. Huang, Chung-Chen Chen, Patrick Koch, Ryan Chilson, Ranjani Srinivasan, Kuan-Yu Liu, Chen-Yu Yu, Geoffrey Bower, Peter Oshiro, William Snow, Shoko Koyama, Jun Yi Koay, Chao-Te Li, Wen-Ping Lo, Chih-Cheng Chang, Masanori Nakamura, Zheng Meyer-Zhao, Hung-Yi Pu, Lupin Lin, Daniel Bintley, Craig Walther, Per Friberg, Jessica Dempsey, T. Sridharan, Sheperd Doeleman, Roger Brissenden, Hideo Ogawa, Kimihiro Kimura, Yutaka Hasegawa, Jinchi Hao, Kuo-Chang Han, Song-Chu Chang, Li-Ming Lu, Juan-Carlos Algaba Marcos, Alex Allardi, Aaron Faber, Fu-li Hsu, Wei-Long Chen, Fang-Chia Hsieh

Proceedings Volume 10700, 107000H (2018) https://doi.org/10.1117/12.2313378

KEYWORDS: Antennas, Telescopes, Receivers, Observatories, Astronomy, Astrophysics

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Proceedings Article | 6 July 2018 Paper

Status of the Transneptunian Automated Occultation Survey (TAOS II)

Matthew Lehner, Shiang-Yu Wang, Mauricio Reyes-Ruíz, Zhi-Wei Zhang, Liliana Figueroa, Chung-Kai Huang, Wei-Ling Yen, Charles Alcock, Fernando Alvarez Santana, Joel Castro-Chacón, Wen-Ping Chen, You-Hua Chu, Kem Cook, John Geary, Benjamín Hernández, Jennifer Karr, J. J. Kavelaars, Timothy Norton, Andrew Szentgyorgyi

Proceedings Volume 10700, 107004V (2018) https://doi.org/10.1117/12.2309584

KEYWORDS: Telescopes, Mirrors, Cameras, Imaging systems, Stars, Astronomy

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Proceedings Article | 6 July 2018 Paper

Control and monitoring system for the Greenland Telescope: computers, network and software

Hiroaki Nishioka, Chih-Wei Locutus Huang, Nimesh Patel, Derek Kubo, Ranjani Srinivasan, Chih-Chiang Han, Chen-Yu Yu, Homin Jiang, Lupin Chun-Che Lin, Zheng Meyer-Zhao, Pierre Martin-Cocher, Satoki Matsushita, Keiichi Asada, Makoto Inoue, Shoko Koyama, Craig Walther, Dan Bintley, Kuan-Yu Liu, Ryan Berthold, Tim Chuter, Per Friberg, Geoffrey Bower, Shu-Hao Chang, Ming-Tang Chen, Jessica Dempsey, Sheperd Doeleman, Yau-De Huang, Paul T. Ho, Jun-Yi Koay, Patrick Koch, Ching-Tang Liu, Wen-Ping Lo, Masanori Nakamura, Timothy Norton, George Nystrom, Peter Oshiro, Ta-Shun Wei

Proceedings Volume 10700, 107005N (2018) https://doi.org/10.1117/12.2313104

KEYWORDS: Computing systems, Receivers, Global Positioning System, Antennas, Spectroscopy, Control systems, Telescopes, Switches, Sensors, Astronomy

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Proceedings Article | 6 July 2018 Paper

Commissioning status of the Greenland Telescope (GLT)

Satoki Matsushita, Keiichi Asada, Makoto Inoue, Hiroaki Nishioka, Chih-Wei Huang, Nimesh Patel, Jun Yi Koay, Shoko Koyama, Patrick Koch, Zheng Meyer-Zhao, Lupin C.-C. Lin, Paul T. Ho, Ming-Tang Chen, Timothy Norton, Kuan-Yu Liu, Chen-Yu Yu, Do-Young Byun, Juan-Carlos Algaba Marcos, Alex Allardi, Geoffrey Bower, Shu-Hao Chang, Chung-Chen Chen, Ryan Chilson, Aaron Faber, Chih-Chiang Han, Yau-De Huang, Homin Jiang, Derek Kubo, Ching-Tang Liu, Wen-Ping Lo, Pierre Martin-Cocher, Masanori Nakamura, George Nystrom, Peter Oshiro, Hung-Yi Pu, Philippe Raffin, Paul Shaw, Williams Snow, Ranjani Srinivasan, Ta-Shun Wei, Ryan Berthold, Daniel Bintley, Jessica Dempsey, Per Friberg, Craig Walther, Jonathan Weintroub, André Young, Ken Young, T. Sridharan, Sheperd Doeleman, Roger Brissenden, Hideo Ogawa, Kimihiro Kimura, Yutaka Hasegawa, Jinchi Hao, Kou-Chang Han, Song-Chu Chang, Li-Ming Lu

Proceedings Volume 10700, 1070029 (2018) https://doi.org/10.1117/12.2310046

KEYWORDS: Receivers, Telescopes, Antennas, Astronomy, Observatories, Radio optics, Radio astronomy, Radio interferometry, Submillimeter telescopes

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Proceedings Article | 2 September 2016 Paper

On-sky demonstration of the GMT dispersed fringe phasing sensor prototype on the Magellan Telescope

Derek Kopon, Brian McLeod, Marcos van Dam, Antonin Bouchez, Ken McCracken, Daniel Catropa, William Podgorski, Stuart McMuldroch, Alan Conder, Laird Close, Jared Males, Katie Morzinski, Timothy Norton

Proceedings Volume 9909, 990946 (2016) https://doi.org/10.1117/12.2232942

KEYWORDS: Sensors, Adaptive optics, Prototyping, Telescopes, Image segmentation, Mirrors, Diffraction, Stars, Phase shifts, Phase measurement

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Proceedings Article | 9 August 2016 Paper

Opto-mechanical design of the G-CLEF flexure control camera system

Jae Sok Oh, Chan Park, Jihun Kim, Kang-Min Kim, Moo-Young Chun, Young Sam Yu, Sungho Lee, Jakyoung Nah, Sung-Joon Park, Andrew Szentgyorgyi, Stuart McMuldroch, Timothy Norton, William Podgorski, Ian Evans, Mark Mueller, Alan Uomoto, Jeffrey Crane, Tyson Hare

Proceedings Volume 9908, 99089M (2016) https://doi.org/10.1117/12.2232147

KEYWORDS: Cameras, Mirrors, Telescopes, Sensors, Lenses, Collimators, Space telescopes, CCD cameras, Optical filters, Prisms

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Proceedings Article | 9 August 2016 Paper

The prototype cameras for trans-Neptunian automatic occultation survey

Shiang-Yu Wang, Hung-Hsu Ling, Yen-Sang Hu, John Geary, Yin-Chang Chang, Hsin-Yo Chen, Stephen Amato, Pin-Jie Huang, Jerome Pratlong, Andrew Szentgyorgyi, Matthew Lehner, Timothy Norton, Paul Jorden

Proceedings Volume 9908, 990846 (2016) https://doi.org/10.1117/12.2232062

KEYWORDS: Cameras, Sensors, Copper indium disulfide, Prototyping, CMOS sensors, Telescopes, Control systems, Signal processing, Imaging systems, Electronics

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Proceedings Article | 27 July 2016 Paper

The Greenland Telescope: antenna retrofit status and future plans

Philippe Raffin, Paul T. Ho, Keiichi Asada, Raymond Blundell, Geoffrey Bower, Roberto Burgos, Chih-Cheng Chang, Ming-Tang Chen, Robert Christensen, You-Hua Chu, Paul Grimes, C. Han, Chih-Wei Huang, Yau-De Huang, Fang-Chia Hsieh, Makoto Inoue, Patrick Koch, Derek Kubo, Steve Leiker, Lupin Lin, Ching-Tang Liu, Shih-Hsiang Lo, Pierre Martin-Cocher, Satoki Matsushita, Masanori Nakamura, Zheng Meyer-Zhao, Hiroaki Nishioka, Tim Norton, George Nystrom, Scott Paine, Nimesh Patel, Hung-Yi Pu, William Snow, T. Sridharan, Ranjani Srinivasan, Jackie Wang

Proceedings Volume 9906, 99060U (2016) https://doi.org/10.1117/12.2232889

KEYWORDS: Antennas, Telescopes, Reflectors, Astrophysics, Electronics, Receivers, Space telescopes, Servomechanisms, 3D modeling, Foam

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Proceedings Article | 27 July 2016 Paper

Status of the Transneptunian Automated Occultation Survey (TAOS II)

Matthew Lehner, Shiang-Yu Wang, Mauricio Reyes-Ruiz, Charles Alcock, Joel Castro, Wen-Ping Chen, You-Hua Chu, Kem Cook, Liliana Figueroa, John Geary, Chung-Kai Huang, Dae-Won Kim, Timothy Norton, Andrew Szentgyorgyi, Wei-Ling Yen, Zhi-Wei Zhang

Proceedings Volume 9906, 99065M (2016) https://doi.org/10.1117/12.2232203

KEYWORDS: Telescopes, Stars, Space telescopes, Signal to noise ratio, Diffraction, Cameras, Scanning probe microscopy, Design for manufacturing, Astronomy, Sensors

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Proceedings Article | 27 July 2016 Paper

The Telescopio San Pedro Mártir project

Michael Richer, William Lee, Jesús González, Buell Jannuzi, Beatriz Sánchez, Fabián Rosales Ortega, Charles Alcock, Alberto Carramiñana Alonso, Ma. Teresa García Díaz, Leonel Gutiérrez, Joel Herrera, Derek Hill, Timothy Norton, Maria Pedrayes, Ana Pérez-Calpena, Mauricio Reyes-Ruíz, Hazael Serrano Guerrero, Gerardo Sierra, Jose Teran, David Urdaibay, Jorge Uribe, Alan Watson, Dennis Zaritsky, Marisa García Vargas

Proceedings Volume 9906, 99065S (2016) https://doi.org/10.1117/12.2232000

KEYWORDS: Telescopes, Atmospheric Cherenkov telescopes, Observatories, Mirrors, Astronomy, Optical instrument design, Telescopes, Control systems, Optics manufacturing, Optical alignment, Interfaces

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Proceedings Article | 6 August 2014 Paper

The opto-mechanical design of the GMT-consortium large earth finder (G-CLEF)

Mark Mueller, Daniel Baldwin, Jacob Bean, Henry Bergner, Bruce Bigelow, Moo-Young Chun, Jeffrey Crane, Jeff Foster, Gabor Fűrész, Thomas Gauron, Dani Guzman, Edward Hertz, Andrés Jordán, Kang-Min Kim, Kenneth McCracken, Timothy Norton, Mark Ordway, Chan Park, Sang Park, William Podgorski, Andrew Szentgyorgyi, Alan Uomoto, In-Soo Yuk

Proceedings Volume 9147, 91479A (2014) https://doi.org/10.1117/12.2056440

KEYWORDS: Spectrographs, Space telescopes, Telescopes, Cameras, Optical mounts, Composites, Temperature metrology, Mirrors, Control systems, Optical benches

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The GMT-Consortium Large Earth Finder (G-CLEF) is a fiber fed, optical echelle spectrograph that has been selected as a first light instrument for the Giant Magellan Telescope (GMT) currently under construction at the Las Campanas Observatory in Chile’s Atacama desert region. We designed G-CLEF as a general-purpose echelle spectrograph with precision radial velocity (PRV) capability used for exoplanet detection. The radial velocity (RV) precision goal of GCLEF is 10 cm/sec, necessary for detection of Earth-sized planets orbiting stars like our Sun in the habitable zone. This goal imposes challenging stability requirements on the optical mounts and the overall spectrograph support structures. Stability in instruments of this type is typically affected by changes in temperature, orientation, and air pressure as well as vibrations caused by telescope tracking. For these reasons, we have chosen to enclose G-CLEF’s spectrograph in a thermally insulated, vibration isolated vacuum chamber and place it at a gravity invariant location on GMT’s azimuth platform. Additional design constraints posed by the GMT telescope include: a limited space envelope, a thermal emission ceiling, and a maximum weight allowance. Other factors, such as manufacturability, serviceability, available technology and budget are also significant design drivers. All of the previously listed considerations must be managed while ensuring that performance requirements are achieved. In this paper, we discuss the design of G-CLEF’s optical mounts and support structures including technical choices made to minimize the system’s sensitivity to thermal gradients. A more general treatment of the properties of G-CLEF can be found elsewhere in these proceedings1. We discuss the design of the vacuum chamber which houses the irregularly shaped optical bench and optics while conforming to a challenging space envelope on GMT’s azimuth platform. We also discuss the design of G-CLEF’s insulated enclosure and thermal control systems which maintain the spectrograph at milli-Kelvin level stability while simultaneously limiting the maximum thermal emission into the telescope dome environment. Finally, we discuss G-CLEF’s front-end assembly and fiber-feed system as well as other interface challenges presented by the telescope, enclosure and neighboring instrumentation.

Proceedings Article | 4 August 2014 Paper

De-mystifying earned value management for ground based astronomy projects, large and small

Timothy Norton, Patricia Brennan, Mark Mueller

Proceedings Volume 9150, 915009 (2014) https://doi.org/10.1117/12.2056543

KEYWORDS: Control systems, Phase modulation, Astronomy, Content addressable memory, Lead, Optical design, Telescopes, Spectrographs, Optical components, Fiber optic components

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Proceedings Article | 28 July 2014 Paper

High speed wide field CMOS camera for Transneptunian Automatic Occultation Survey

Shiang-Yu Wang, John Geary, Stephen Amato, Yen-Sang Hu, Hung-Hsu Ling, Pin-Jie Huang, Gabor Furesz, Hsin-Yo Chen, Yin-Chang Chang, Andrew Szentgyorgyi, Matthew Lehner, Timothy Norton

Proceedings Volume 9147, 914772 (2014) https://doi.org/10.1117/12.2055606

KEYWORDS: Cameras, CMOS sensors, Stars, Sensors, Telescopes, Control systems, Field programmable gate arrays, Electronics, Signal processing, Charge-coupled devices

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Proceedings Article | 28 July 2014 Paper

A preliminary design for the GMT-Consortium Large Earth Finder (G-CLEF)

Andrew Szentgyorgyi, Stuart Barnes, Jacob Bean, Bruce Bigelow, Antonin Bouchez, Moo-Young Chun, Jeffrey Crane, Harland Epps, Ian Evans, Janet Evans, Anna Frebel, Gabor Furesz, Alex Glenday, Dani Guzman, Tyson Hare, Bi-Ho Jang, Jeong-Gyun Jang, Ueejong Jeong, Andres Jordan, Kang-Min Kim, Jihun Kim, Chih-Hao Li, Mercedes Lopez-Morales, Kenneth McCracken, Brian McLeod, Mark Mueller, Jakyung Nah, Timothy Norton, Heeyoung Oh, Jae Sok Oh, Mark Ordway, Byeong-Gon Park, Chan Park, Sung-Joon Park, David Phillips, David Plummer, William Podgorski, Florian Rodler, Andreas Seifahrt, Kyung-Mo Tak, Alan Uomoto, Marcos Van Dam, Ronald Walsworth, Young Sam Yu, In-Soo Yuk

Proceedings Volume 9147, 914726 (2014) https://doi.org/10.1117/12.2056741

KEYWORDS: Spectrographs, Telescopes, Stars, Mirrors, Calibration, Exoplanets, Adaptive optics, Cameras, Interfaces, Optical design

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Proceedings Article | 28 July 2014 Paper

The G-CLEF spectrograph optical design

Gábor Fűrész, Harland Epps, Stuart Barnes, William Podgorski, Andrew Szentgyorgyi, Mark Mueller, Daniel Baldwin, Jacob Bean, Henry Bergner, Moo-Young Chun, Jeffrey Crane, Janet Evans, Ian Evans, Jeff Foster, Thomas Gauron, Dani Guzman, Edward Hertz, Andres Jordán, Kang-Min Kim, Kenneth McCracken, Timothy Norton, Mark Ordway, Chan Park, Sang Park, Dave Plummer, Alan Uomoto, In-Soo Yuk

Proceedings Volume 9147, 91479G (2014) https://doi.org/10.1117/12.2057153

KEYWORDS: Mirrors, Spectrographs, Cameras, Collimators, Optical design, Telescopes, Point spread functions, Sensors, Observatories, Spectral resolution

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Proceedings Article | 28 July 2014 Paper

A novel systems engineering approach to the design of a precision radial velocity spectrograph: the GMT-Consortium Large Earth Finder (G-CLEF)

William Podgorski, Jacob Bean, Henry Bergner, Moo-Young Chun, Jeffrey Crane, Ian Evans, Janet Evans, Gabor Furesz, Dani Guzman, Kang-Min Kim, Kenneth McCracken, Mark Mueller, Timothy Norton, Chan Park, Sang Park, David Plummer, Andrew Szentgyorgyi, Alan Uomoto, In-Soo Yuk

Proceedings Volume 9147, 91478W (2014) https://doi.org/10.1117/12.2056329

KEYWORDS: Spectrographs, Calibration, Telescopes, Error analysis, Velocity measurements, Sensors, Adaptive optics, Cameras, Mirrors, Space telescopes

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Proceedings Article | 23 July 2014 Paper

Finite-differences model to predict temperatures on cryogenic focal plane arrays: first laboratory results

Dani Guzmán, Rodrigo Bilbeny, Andrew Szentgyorgyi, Timothy Norton

Proceedings Volume 9154, 915425 (2014) https://doi.org/10.1117/12.2056472

KEYWORDS: Fused deposition modeling, Temperature metrology, Sensors, Cryogenics, Thermal modeling, Charge-coupled devices, Design for manufacturing, CCD image sensors, Transmission electron microscopy, Advanced distributed simulations

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Proceedings Article | 22 July 2014 Paper

The Giant Magellan Telescope active optics system

Brian McLeod, Antonin Bouchez, Brady Espeland, José Filgueira, Matt Johns, Timothy Norton, Mark Ordway, William Podgorski, John Roll, Carey Smith

Proceedings Volume 9145, 91451T (2014) https://doi.org/10.1117/12.2056435

KEYWORDS: Mirrors, Telescopes, Wavefront sensors, Active optics, Image segmentation, Sensors, Adaptive optics, Actuators, Stars, Wavefronts

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Proceedings Article | 22 July 2014 Paper

Status of the Transneptunian Automated Occultation Survey (TAOS II)

Matthew Lehner, Shiang-Yu Wang, Charles Alcock, Kem Cook, Gabor Furesz, John Geary, David Hiriart, Paul Ho, William Lee, Frank Melsheimer, Timothy Norton, Mauricio Reyes-Ruiz, Michael Richer, Andrew Szentgyorgyi, Wei-Ling Yen, Zhi-Wei Zhang

Proceedings Volume 9145, 914513 (2014) https://doi.org/10.1117/12.2054853

KEYWORDS: Telescopes, Stars, Space telescopes, Cameras, Imaging systems, Signal to noise ratio, Mirrors, Scanning probe microscopy, Sun, Roads

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Proceedings Article | 5 October 2012 Paper

The GMT-CfA, Carnegie, Catolica, Chicago Large Earth Finder (G-CLEF): a general purpose optical echelle spectrograph for the GMT with precision radial velocity capability

A. Szentgyorgyi, A. Frebel, G. Furesz, E. Hertz, T. Norton, J. Bean, H. Bergner, J. Crane, J. Evans, I. Evans, T. Gauron, A. Jordán, S. Park, A. Uomoto, S. Barnes, W. Davis, M. Eisenhower, H. Epps, D. Guzman, K. McCracken, M. Ordway, D. Plummer, W. Podgorski, D. Weaver

Proceedings Volume 8446, 84461H (2012) https://doi.org/10.1117/12.924957

KEYWORDS: Spectrographs, Cameras, Telescopes, Calibration, Optical design, Interfaces, Molybdenum, Lenses, Charge-coupled devices, Mirrors

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Proceedings Article | 5 October 2012 Paper

NIRMOS: a wide-field near-infrared spectrograph for the Giant Magellan Telescope

Daniel Fabricant, Robert Fata, Warren Brown, Brian McLeod, Mark Mueller, Thomas Gauron, John Roll, Henry Bergner, John Geary, Vladimir Kradinov, Tim Norton, Matt Smith, Joseph Zajac

Proceedings Volume 8446, 84461O (2012) https://doi.org/10.1117/12.926262

KEYWORDS: Galactic astronomy, Cameras, Sensors, Spectrographs, Light scattering, Telescopes, Optical filters, Imaging spectroscopy, Lenses, Spectroscopy

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Proceedings Article | 24 September 2012 Paper

The F/5 instrumentation suite for the Clay Telescope

A. Szentgyorgyi, B. McLeod, D. Fabricant, R. Fata, T. Norton, M. Ordway, J. Roll, H. Bergner, M. Conroy, D. Curley, H. Epps, T. Gauron, J. Geary, M. Mueller, A. Uomoto, S. Amato, J. Barberis, R. Eng, G. Furesz, E. Hertz, C. Hull, K. McCracken, G. Nystrom, D. Osip, P. Palunas, F. Perez, F. Sanchez, V. Suc, D. Weaver, D. Woods

Proceedings Volume 8446, 844628 (2012) https://doi.org/10.1117/12.925510

KEYWORDS: Telescopes, Wavefront sensors, Mirrors, Charge-coupled devices, Space telescopes, Interfaces, Observatories, Lanthanum, Camera shutters, Optical instrument design

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Proceedings Article | 17 September 2012 Paper

The Transneptunian Automated Occultation Survey (TAOS II)

Proceedings Volume 8444, 84440D (2012) https://doi.org/10.1117/12.925541

KEYWORDS: Telescopes, Stars, Space telescopes, Imaging systems, Signal to noise ratio, Mirrors, Cameras, Scanning probe microscopy, Sun, Observatories

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Proceedings Article | 13 September 2012 Paper

A prototype phasing camera for the Giant Magellan Telescope

Srikrishna Kanneganti, Brian McLeod, Mark Ordway, John Roll, Stephen Shectman, Antonin Bouchez, Johanan Codona, Roger Eng, Thomas Gauron, Felix Handte, Timothy Norton, Phil Streechon, David Weaver

Proceedings Volume 8447, 844752 (2012) https://doi.org/10.1117/12.926517

KEYWORDS: Telescopes, Mirrors, Cameras, Image segmentation, Prototyping, Microelectromechanical systems, Sensors, Stars, Relays, Adaptive optics

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Proceedings Article | 13 September 2012 Paper

The Giant Magellan Telescope adaptive optics program

Antonin Bouchez, D. Scott Acton, Guido Agapito, Carmelo Arcidiacono, Francis Bennet, Valdemaro Biliotti, Marco Bonaglia, Runa Briguglio, Guido Brusa-Zappellini, Lorenzo Busoni, Luca Carbonaro, Johanan Codona, Rodolphe Conan, Thomas Connors, Oliver Durney, Brady Espeland, Simone Esposito, Luca Fini, Rusty Gardhouse, Thomas Gauron, Michael Hart, Philip Hinz, Srikrishna Kanneganti, Edward Kibblewhite, Russell Knox, Brian McLeod, Thomas McMahon, Manny Montoya, Timothy Norton, Mark Ordway, Celine d'Orgeville, Simon Parcell, Piotr Piatrou, Enrico Pinna, Ian Price, Alfio Puglisi, Fernando Quiros-Pacheco, Armando Riccardi, John Roll, Gelys Trancho, Kristina Uhlendorf, Vidhya Vaitheeswaran, Marcos van Dam, David Weaver, Marco Xompero

Proceedings Volume 8447, 84471I (2012) https://doi.org/10.1117/12.926691

KEYWORDS: Adaptive optics, Wavefront sensors, Telescopes, Mirrors, Sensors, Laser guide stars, Wavefronts, Tomography, Calibration, Atmospheric optics

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Proceedings Article | 30 September 2004 Paper

The 6.5-m MMT's f/5 wide-field optics and instruments

Daniel Fabricant, Robert Fata, Brian McLeod, Andrew Szentgyorgyi, J. Barberis, Henry Bergner, Warren Brown, Nelson Caldwell, Maureen Conroy, Roger Eng, Harland Epps, G. Furesz, Tom Gauron, John Geary, Richard Goddard, Lee Hartmann, Edward Hertz, M. Honsa, Mark Mueller, Timothy Norton, Mark Ordway, John Roll, G. Grant Williams, Deborah Freedman-Woods, Joe Zajac

Proceedings Volume 5492, (2004) https://doi.org/10.1117/12.551729

KEYWORDS: Optical fibers, Spectrographs, Stars, Charge-coupled devices, Telescopes, Mirrors, Imaging spectroscopy, Glasses, Spectroscopes, Wavefront sensors

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Proceedings Article | 19 November 1998 Paper

High-accuracy calibration of the HXDS flow-proportional counter for AXAF at the PTB laboratory at BESSY

Jutta Auerhammer, G. Brandt, Frank Scholze, R. Thornagel, Gerhard Ulm, Bradford Wargelin, Walter McDermott, Timothy Norton, Ian Evans, Edwin Kellogg

Proceedings Volume 3444, (1998) https://doi.org/10.1117/12.331242

KEYWORDS: Sensors, Calibration, Quantum efficiency, Argon, Absorption, X-rays, Radiometry, Energy efficiency, Photodiodes, Synchrotron radiation

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Proceedings Article | 20 June 1995 Paper

Penning source for calibration of x-ray and EUV optics and spectrometers at wavelengths as short as 50 A

Edwin Kellogg, Bradford Wargelin, Timothy Norton, Roger Eng, Jeffery Kolodziejczak

Proceedings Volume 2515, (1995) https://doi.org/10.1117/12.212607

KEYWORDS: Calibration, Spectrometers, X-rays, Aluminum, Argon, Magnetoencephalography, X-ray optics, EUV optics, Spectral resolution, Extreme ultraviolet

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Proceedings Article | 21 January 1993 Paper

VETA-I x-ray detection system

William Podgorski, Kathryn Flanagan, Mark Freeman, Richard Goddard, Edwin Kellogg, Timothy Norton, J. Ouellette, Adrian Roy, Daniel Schwartz

Proceedings Volume 1742, (1993) https://doi.org/10.1117/12.140590

KEYWORDS: X-rays, X-ray detectors, Sensors, Data acquisition, Scanning electron microscopy, X-ray imaging, Calibration, Control systems, Mirrors, Spatial resolution

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Showing 5 of 34 publications

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