Mr. Travis Prochaska Profile

Travis Prochaska

Mechanical Engineer III at Ophir Corporation

SPIE Involvement:

Author

Publications (40)

Proceedings Article | 13 December 2020 Poster + Paper

Poster + Paper

Camera articulation prototype of the Giant Magellan Telescope Multi-object Astronomical and Cosmological Spectrograph (GMACS)

Tae-Geun Ji, Erika Cook, Soojong Pak, Evan Kelly, Leonardo Bush, Leonardo Barba, Jeffrey Mason, Hye-In Lee, Darren DePoy, Jennifer Marshall, Nat Butler, Daniel Faes, Cynthia Froning, Johnathan Gamaunt, Damien Jones, Philip Mauskopf, Claudia Mendes de Oliveira, Casey Papovich, Travis Prochaska, Rafael A. Ribeiro, Luke Schmidt, Paul Scowen, Aline Souza, Keith Taylor, Antonio Braulio Neto, Priscila Pires

Proceedings Volume 11452, 1145224 (2020) https://doi.org/10.1117/12.2561237

KEYWORDS: Cameras, Prototyping, Astronomical imaging, Astronomical telescopes, Telescopes, Spectrographs, Astronomy, Control systems, Optical design, Computer programming

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Proceedings Article | 13 December 2020 Poster + Presentation + Paper

Poster + Presentation + Paper

Further development and testing of TCal: a mobile spectrophotometric calibration unit for astronomical imaging systems

P. Ferguson, L. Barba, D. DePoy, L. Schmidt, J. Marshall, T. Prochaska, L. Bush, J. Mason, M. Sauseda

Proceedings Volume 11447, 114475U (2020) https://doi.org/10.1117/12.2562736

KEYWORDS: Calibration, Imaging systems, Spectral calibration, Astronomical imaging, Telescopes, Large Synoptic Survey Telescope, Sensors, Observatories, Light sources, Domes

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Proceedings Article | 3 January 2020 Paper

Paper

Giant Magellan Telescope Multi-object Astronomical and Cosmological Spectrograph (GMACS): conceptual design

Soojong Pak, Darren DePoy, Jennifer Marshall, Luke Schmidt, Casey Papovich, Cynthia Froning, D. Faes, Claudia Mendes de Oliveira, A. Souza, Rafael Ribeiro, Keith Taylor, Damien Jones, Travis Prochaska, Erika Cook, Hye-In Lee, Tae-Geun Ji, Paul Scowen

Proceedings Volume 11203, 1120308 (2020) https://doi.org/10.1117/12.2547889

KEYWORDS: James Webb Space Telescope, Large Synoptic Survey Telescope, Optical spectroscopy, Large telescopes, Optical resolution, Telescopes, Spectrographs, Astronomical telescopes, Astronomical imaging, Astronomy

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Proceedings Article | 13 July 2018 Paper

Paper

Electronics prototypes for the Giant Magellan telescope multi-object astronomical and cosmological spectrograph (GMACS)

Erika Cook, Travis Prochaska, Hye-In Lee, Tae-Geun Ji, Soojong Pak, D. DePoy, J. Marshall, Luke Schmidt, Daniel Faes, Cynthia Froning, Damien Jones, Claudia Mendes de Oliveira, Casey Papovich, Rafael A. Ribeiro, Aline Souza, Keith Taylor

Proceedings Volume 10702, 107029Z (2018) https://doi.org/10.1117/12.2313921

KEYWORDS: Prototyping, Sensors, Fluorescence correlation spectroscopy, Cameras, Telescopes, Actuators, Astronomical imaging, Electronics, Astronomy, Spectrographs

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Proceedings Article | 13 July 2018 Paper

Paper

Wide-field multi-object spectroscopy with MANIFEST

Jon Lawrence, Sagi Ben-Ami, David Brown, Rebecca Brown, Scott Case, Timothy Chin, Matthew Colless, Adam Contos, Darren Depoy, Ian Evans, Daniel Faes, Tony Farrell, Peter Gillingham, Michael Goodwin, Sungwook Hong, Narae Hwang, Wong-Seob Jeong, Urs Klauser, Kyler Kuehn, Nuria Lorente, Slavko Mali, Jennifer Marshall, Helen McGregor, Rolf Muller, Rafael Millan-Gabet, Vijay Nichani, Claudia Oliveria, Henrique Ortolan, naveen Pai, Sung-Joon Park, Travis Prochaska, Will Saunders, Luke Schmidt, Aline Souza, Andrew Szentgyorgyi, Lew Waller, Ross Zhelem

Proceedings Volume 10702, 10702A6 (2018) https://doi.org/10.1117/12.2314178

KEYWORDS: Telescopes, Spectrographs, Optical instrument design

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Proceedings Article | 12 July 2018 Paper

Paper

The optical design for the Giant Magellan Telescope Multi-object Astronomical and Cosmological Spectrograph (GMACS)

Rafael A.S. Ribeiro, Luke Schmidt, Damien Jones, Keith Taylor, Travis Prochaska, Erika Cook, Darren DePoy, Daniel Faes, Cynthia Froning, Tae-Geun Ji, Hye-In Lee, Jennifer Marshall, Claudia Mendes de Oliveira, Soojong Pak, Casey Papovich, Aline Souza

Proceedings Volume 10702, 107029B (2018) https://doi.org/10.1117/12.2312814

KEYWORDS: Cameras, Collimators, Spectrographs, Sensors, Telescopes, Optical design, Mirrors, Astronomical imaging, Astronomy, Spectral resolution

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Proceedings Article | 10 July 2018 Paper

Paper

Characterization of the reflectivity of various black materials II

Luke Schmidt, Madelynn Gomez, Doyeon Kim, Michael Torregosa, Marcus Sauseda, Travis Prochaska, D. DePoy, J. Marshall, Lawrence Gardner, Walter Grant

Proceedings Volume 10706, 107065E (2018) https://doi.org/10.1117/12.2312359

KEYWORDS: Reflectivity, Spectrophotometry, Astronomy, Light scattering, Stray light, Stray light analysis, Stray light control

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Proceedings Article | 10 July 2018 Paper

Paper

Systems engineering applied to ELT instrumentation: the GMACS case

D. Faes, A. Souza, C. Froning, L. Schmidt, D. Bortoletto, E. Cook, D. DePoy, T.-G. Ji, D. Jones, H.-I. Lee, J. Marshall, C. Oliveira, S. Pak, C. Papovich, T. Prochaska, R. Ribeiro, K. Taylor

Proceedings Volume 10705, 107051A (2018) https://doi.org/10.1117/12.2311352

KEYWORDS: Telescopes, Systems engineering, Spectrographs, Interfaces, Observatories, Astronomy, Astronomical imaging, Space telescopes, Adaptive optics

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Proceedings Article | 10 July 2018 Paper

Paper

MADLaSR: multi-angle detector of Lambertian and specular reflectivity

Lawrence Gardner, Travis Prochaska, Luke Schmidt, Jennifer Marshall, Marcus Sauseda, Michael Torregosa, Darren DePoy

Proceedings Volume 10706, 107064K (2018) https://doi.org/10.1117/12.2313807

KEYWORDS: Reflectivity, Sensors, Light sources, Light, Human-machine interfaces, Optical design, Control systems, LabVIEW, Calibration, Photodiodes

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Proceedings Article | 10 July 2018 Paper

Paper

VIRUS: the instrument infrastructure to support the deployment and upkeep of 156 spectrographs at the Hobby-Eberly Telescope

R. Spencer, E. Balderrama, G. Damm, J. Fowler, J. Good, G. Hill, H. Kriel, P. MacQueen, E. Mrozinski, D. Perry, T. Peterson, M. Shetrone, R. Savage, G. Smith, E. Cook, D. DePoy, J. Marshall, T. Prochaska, M. Sauseda

Proceedings Volume 10706, 107066R (2018) https://doi.org/10.1117/12.2314174

KEYWORDS: Nitrogen, Spectrographs, Telescopes, Control systems, Liquids, Charge-coupled devices, Sensors, Space telescopes, Optical fibers, Cryogenics

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Proceedings Article | 10 July 2018 Presentation + Paper

Presentation + Paper

Dark energy survey operations: years 4 and 5

H. T. Diehl, E. Neilsen, R. Gruendl, T. M. Abbott, S. Allam, O. Alvarez, J. Annis, E. Balbinot, S. Bhargava, K. Bechtol, G. Bernstein, R. Bhatawdekar, S. Bocquet, D. Brout, R. Capasso, R. Cawthon, C. Chang, E. Cook, C. Conselice, J. Cruz, C. D'Andrea, L. da Costa, R. Das, D. DePoy, A. Drlica-Wagner, A. Elliott, S. Everett, J. Frieman, A. Fausti Neto, A. Ferté, I. Friswell, K. Furnell, L. Gelman, D. Gerdes, M. S. Gill, D. Goldstein, D. Gruen, D. Gulledge, S. Hamilton, D. Hollowood, K. Honscheid, D. James, M. Johnson, M. W. Johnson, S. Kent, R. Kessler, G. Khullar, E. Kovacs, A. Kremin, R. Kron, N. Kuropatkin, J. Lasker, A. Lathrop, T. Li, M. Manera, M. March, J. Marshall, M. Medford, F. Menanteau, I. Mohammed, M. Monroy, B. Moraes, E. Morganson, J. Muir, M. Murphy, B. Nord, A. Pace, A. Palmese, Y. Park, F. Paz-Chinchón, M. E. Pereira, D. Petravick, A. Plazas, J. Poh, T. Prochaska, A. Romer, K. Reil, A. Roodman, M. Sako, M. Sauseda, D. Scolnic, L. Secco, I. Sevilla-Noarbe, N. Shipp, J. Smith, M Soares-Santos, B. Soergel, A. Stebbins, K. Story, K. Stringer, F. Tarsitano, B. Thomas, D. Tucker, K. Vivas, A. Walker, M.-Y. Wang, C. Weaverdyck, N. Weaverdyck, W. Wester, C. Wethers, R. Wilkenson, H.-Y Wu, B. Yanny, A. Zenteno, Y. Zhang

Proceedings Volume 10704, 107040D (2018) https://doi.org/10.1117/12.2312113

KEYWORDS: Telescopes, Cameras, Astronomy, Charge-coupled devices, Physics, Stars, Point spread functions, Galactic astronomy, Calibration, Control systems

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Proceedings Article | 10 July 2018 Paper

Paper

Characterization of the reflectivity of various white materials

Luke Schmidt, Madelynn Gomez, Doyeon Kim, Michael Torregosa, Marcus Sauseda, Travis Prochaska, D. DePoy, J. Marshall, Lawrence Gardner, Walter Grant

Proceedings Volume 10706, 107065F (2018) https://doi.org/10.1117/12.2312365

KEYWORDS: Reflectivity, Calibration, Spectrophotometry, Astronomy, Light sources, Photodiodes, Large screens, Small screens

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Proceedings Article | 8 July 2018 Paper

Paper

The optomechanical design of the Giant Magellan telescope multi-object astronomical and cosmological spectrograph (GMACS)

Travis Prochaska, Caron Albert, James Beck, Erika Cook, D. DePoy, Daniel Faes, Cynthia Froning, Walter Grant, Isaac Gutierrez, Tae-Geun Ji, Damien Jones, Hye-In Lee, Jennifer Marshall, Claudia Mendes de Oliveira, Soojong Pak, Casey Papovich, Rafael Ribeiro, Marcus Sauseda, Luke Schmidt, Aline Souza, Keith Taylor, Darius Williams

Proceedings Volume 10702, 107029Y (2018) https://doi.org/10.1117/12.2313829

KEYWORDS: Cameras, Telescopes, Spectrographs, Astronomical imaging, Actuators, Sensors, Astronomy, Collimators, Astronomical telescopes, Space telescopes

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Proceedings Article | 6 July 2018 Presentation + Paper

Presentation + Paper

GMACS: a wide-field, moderate-resolution spectrograph for the Giant Magellan Telescope

D. DePoy, Luke Schmidt, Rafael Ribeiro, Keith Taylor, Damien Jones, Travis Prochaska, Jennifer Marshall, Erika Cook, Cynthia Froning, Tae-Geun Ji, Hye-In Lee, D. Faes, A. Souza, D. Bortoletto, Claudia Mendes de Oliveira, Soojong Pak, Casey Papovich

Proceedings Volume 10702, 107021X (2018) https://doi.org/10.1117/12.2313940

KEYWORDS: Spectrographs, Telescopes, Space telescopes, Optical fibers, Astronomy, Astronomical telescopes, Astronomical imaging, Optical design, Physics, Optical resolution

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Proceedings Article | 6 July 2018 Presentation + Paper

Presentation + Paper

VIRUS: status and performance of the massively replicated fiber integral field spectrograph for the upgraded Hobby-Eberly Telescope

Gary Hill, Andreas Kelz, Hanshin Lee, Phillip MacQueen, Trent Peterson, Jason Ramsey, Brian Vattiat, D. DePoy, Niv Drory, Karl Gebhardt, John Good, Thomas Jahn, Herman Kriel, J. Marshall, Sarah Tuttle, Greg Zeimann, Edmundo Balderrama, Randy Bryant, Brent Buetow, Taylor Chonis, George Damm, Maximilian Fabricius, Daniel Farrow, James Fowler, Cynthia Froning, Dionne Haynes, Briana Indahl, Jerry Martin, Francesco Montesano, Emily Mrozinski, Harald Nicklas, Eva Noyola, Stephen Odewahn, Andrew Peterson, Travis Prochaska, Sergey Rostopchin, Matthew Shetrone, Greg Smith, Jan Snigula, Renny Spencer, Amy Westfall, Taft Armandroff, Ralf Bender, Gavin Dalton, Matthias Steinmetz

Proceedings Volume 10702, 107021K (2018) https://doi.org/10.1117/12.2314280

KEYWORDS: Spectrographs, Telescopes, Cameras, Charge-coupled devices, Sensors, Image quality, Mirrors, Cryogenics, Calibration, Collimators

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Proceedings Article | 6 July 2018 Paper

Paper

Development of TCal: a mobile spectrophotometric calibration unit for astronomical imaging systems

Peter Ferguson, D. DePoy, L. Schmidt, J. Marshall, T. Prochaska, Daniel Freeman, Lawrence Gardner, Isaac Gutierrez, Doyeon Kim, Zeeshan Kunnummal, Marcus Sauseda, Hugh Sharp, Michael Torregosa

Proceedings Volume 10702, 107023A (2018) https://doi.org/10.1117/12.2313752

KEYWORDS: Calibration, Photodiodes, Telescopes, Imaging systems, Light sources, Large Synoptic Survey Telescope, Monochromators, Spectral calibration, Spectroscopy, Astronomy

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Proceedings Article | 5 June 2018 Paper

Paper

Optical design for the Giant Magellan Telescope Multi-object Astronomical and Cosmological Spectrograph (GMACS): design methodology, issues, and trade-offs

Rafael A.S. Ribeiro, Damein Jones, Luke Schmidt, Keith Taylor, Erika Cook, Darren DePoy, Daniel Faes, Cynthia Froning, Tae-Geun Ji, Hye-In Lee, Jennifer Marshall, Claudia Mendes de Oliveira, Soojong Pak, Casey Papovich, Travis Prochaska, Aline Souza

Proceedings Volume 10690, 106902S (2018) https://doi.org/10.1117/12.2313528

KEYWORDS: Collimators, Cameras, Spectrographs, Glasses, Telescopes, Optical design, Spectral resolution

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Proceedings Article | 9 August 2016 Paper

Paper

The MANIFEST prototyping design study

Jonathan Lawrence, Sagi Ben-Ami, David Brown, Rebecca Brown, Scott Case, Steve Chapman, Vladimir Churilov, Matthew Colless, Robert Content, Darren Depoy, Ian Evans, Tony Farrell, Michael Goodwin, George Jacoby, Urs Klauser, Kyler Kuehn, Nuria P. Lorente, Slavko Mali, Jennifer Marshall, Rolf Muller, Vijay Nichani, Naveen Pai, Travis Prochaska, Will Saunders, Luke Schmidt, Keith Shortridge, Nicholas Staszak, Andrew Szentgyorgyi, Julia Tims, Minh Vuong, Lewis Waller, Ross Zhelem

Proceedings Volume 9908, 99089O (2016) https://doi.org/10.1117/12.2232412

KEYWORDS: Telescopes, Prototyping, Spectrographs, Optical instrument design, Optical instrument design, Cameras, Interfaces, Connectors, Metrology, Glasses, Galactic astronomy

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Proceedings Article | 9 August 2016 Paper

Paper

VIRUS: first deployment of the massively replicated fiber integral field spectrograph for the upgraded Hobby-Eberly Telescope

Gary Hill, Sarah Tuttle, Brian Vattiat, Hanshin Lee, Niv Drory, Andreas Kelz, Jason Ramsey, Trent Peterson, D. DePoy, J. Marshall, Karl Gebhardt, Taylor Chonis, Gavin Dalton, Daniel Farrow, John Good, Dionne Haynes, Briana Indahl, Thomas Jahn, Hermanus Kriel, Francesco Montesano, Harald Nicklas, Eva Noyola, Travis Prochaska, Richard Allen, Ralf Bender, Guillermo Blanc, Maximilian Fabricius, Steve Finkelstein, Martin Landriau, Phillip MacQueen, M. Roth, R. Savage, Jan Snigula, Heiko Anwad

Proceedings Volume 9908, 99081H (2016) https://doi.org/10.1117/12.2231064

KEYWORDS: Spectrographs, Telescopes, Sensors, Cameras, Charge-coupled devices, Collimators, Mirrors, Head, Image quality, Cryogenics

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Proceedings Article | 9 August 2016 Paper

Paper

Optomechanical design concept for the Giant Magellan Telescope Multi-object Astronomical and Cosmological Spectrograph (GMACS)

Travis Prochaska, Marcus Sauseda, James Beck, Luke Schmidt, Erika Cook, Darren DePoy, Jennifer Marshall, Rafael Ribeiro, Keith Taylor, Damien Jones, Cynthia Froning, Soojong Pak, Claudia Mendes de Oliveira, Casey Papovich, Tae-Geun Ji, Hye-In Lee

Proceedings Volume 9908, 9908A3 (2016) https://doi.org/10.1117/12.2233530

KEYWORDS: Astronomical imaging, Spectrographs, Telescopes, Astronomy, Cameras, Space telescopes, Actuators, Optical filters, CCD cameras, Imaging systems

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Proceedings Article | 9 August 2016 Paper

Paper

Optical design concept for the Giant Magellan Telescope Multi-object Astronomical and Cosmological Spectrograph (GMACS)

Luke Schmidt, Rafael Ribeiro, Keith Taylor, Damien Jones, Travis Prochaska, Darren DePoy, Jennifer Marshall, Erika Cook, Cynthia Froning, Tae-Geun Ji, Hye-In Lee, Claudia Mendes de Oliveira, Soojong Pak, Casey Papovich

Proceedings Volume 9908, 9908A4 (2016) https://doi.org/10.1117/12.2233543

KEYWORDS: Optical design, Telescopes, Spectrographs, Optical design, Telescopes, Sensors, Cameras, Glasses, Collimators, Imaging systems, CCD image sensors, Space telescopes

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Proceedings Article | 4 August 2016 Paper

Paper

VIRUS early installation and commissioning

Sarah Tuttle, Gary Hill, Brian Vattiat, Hanshin Lee, Niv Drory, Andreas Kelz, Jason Ramsey, Trent Peterson, Eva Noyola, Darren DePoy, Jennifer Marshall, Taylor Chonis, Gavin Dalton, Maximilian Fabricius, Daniel Farrow, John Good, Dionne Haynes, Briana Indahl, Thomas Jahn, Hermanus Kriel, Harald Nicklas, Francesco Montesano, Travis Prochaska, Richard Allen, Martin Landriau, Phillip MacQueen, Martin Roth, Richard Savage, Jan Snigula

Proceedings Volume 9908, 99081I (2016) https://doi.org/10.1117/12.2231253

KEYWORDS: Spectrographs, Telescopes, Astronomy, Calibration, Electroluminescent displays, Sensors, Cameras, Observatories, Collimators, Physics

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Proceedings Article | 27 July 2016 Paper

Paper

Deployment of the Hobby-Eberly Telescope wide-field upgrade

Gary Hill, Niv Drory, John Good, Hanshin Lee, Brian Vattiat, Herman Kriel, Jason Ramsey, Randy Bryant, Linda Elliot, Jim Fowler, Marco Häuser, Martin Landiau, Ron Leck, Stephen Odewahn, Dave Perry, Richard Savage, Emily Schroeder Mrozinski, Matthew Shetrone, D. DePoy, Travis Prochaska, J. Marshall, George Damm, Karl Gebhardt, Phillip MacQueen, Jerry Martin, Taft Armandroff, Lawrence Ramsey

Proceedings Volume 9906, 990606 (2016) https://doi.org/10.1117/12.2231063

KEYWORDS: Telescopes, Spectrographs, Mirrors, Wavefront sensors, Optical fibers, Image quality, Cameras, Camera shutters, Stars, Metrology

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Proceedings Article | 7 August 2014 Paper

Paper

Mass production of volume phase holographic gratings for the VIRUS spectrograph array

Taylor Chonis, Amy Frantz, Gary Hill, J. Christopher Clemens, Hanshin Lee, Sarah Tuttle, Joshua Adams, J. Marshall, D. DePoy, Travis Prochaska

Proceedings Volume 9151, 91511J (2014) https://doi.org/10.1117/12.2056053

KEYWORDS: Spectrographs, Light scattering, Scattering, Optical design, Charge-coupled devices, Light emitting diodes, Holography, Telescopes, Near ultraviolet, Diffraction gratings

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Proceedings Article | 6 August 2014 Paper

Paper

VIRUS instrument enclosures

T. Prochaska, R. Allen, N. Mondrik, J. Rheault, M. Sauseda, E. Boster, M. James, M. Rodriguez-Patino, G. Torres, J. Ham, E. Cook, D. Baker, Darren DePoy, Jennifer Marshall, G. Hill, D. Perry, R. Savage, J. Good, Brian Vattiat

Proceedings Volume 9147, 91476U (2014) https://doi.org/10.1117/12.2057040

KEYWORDS: Telescopes, Spectrographs, Electronics, Domes, Foam, Thermoelectric materials, Astronomy, Nitrogen, Fluctuations and noise, Observatories

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Proceedings Article | 28 July 2014 Paper

Paper

An update on the wide field, multi-object, moderate-resolution, spectrograph for the Giant Magellan Telescope

D. DePoy, R. Allen, T. Li, J. Marshall, C. Papovich, T. Prochaska, S. Shectman

Proceedings Volume 9147, 914720 (2014) https://doi.org/10.1117/12.2056801

KEYWORDS: Spectrographs, Telescopes, Astronomical imaging, Astronomy, Galactic astronomy, Optical instrument design, Astronomical telescopes, Optical resolution, Stars, Optical design

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Proceedings Article | 22 July 2014 Paper

Paper

Deployment of the Hobby-Eberly Telescope wide field upgrade

Gary Hill, Niv Drory, John Good, Hanshin Lee, Brian Vattiat, Herman Kriel, Randy Bryant, Linda Elliot, Martin Landriau, Ron Leck, David Perry, Jason Ramsey, Richard Savage, Richard Allen, George Damm, D. DePoy, Jim Fowler, Karl Gebhardt, Marco Haeuser, Phillip MacQueen, J. Marshall, Jerry Martin, Travis Prochaska, Lawrence Ramsey, Jean-Philippe Rheault, Matthew Shetrone, Emily Schroeder Mrozinski, Sarah Tuttle, Mark Cornell, John Booth, Walter Moreira

Proceedings Volume 9145, 914506 (2014) https://doi.org/10.1117/12.2057032

KEYWORDS: Mirrors, Telescopes, Spectrographs, Cameras, Wavefront sensors, Cryogenics, Optical fibers, Camera shutters, Metrology, Sensors

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Proceedings Article | 14 July 2014 Paper

Paper

The construction, alignment, and installation of the VIRUS spectrograph

Sarah Tuttle, Gary Hill, Hanshin Lee, Brian Vattiat, Eva Noyola, Niv Drory, Mark Cornell, Trent Peterson, Taylor Chonis, Richard Allen, Gavin Dalton, Darren DePoy, Doug Edmonston, Maximillian Fabricius, Dionne Haynes, Andreas Kelz, Martin Landriau, Michael Lesser, Bob Leach, Jennifer Marshall, Jeremy Murphy, David Perry, Travis Prochaska, Jason Ramsey, Richard Savage

Proceedings Volume 9147, 91470R (2014) https://doi.org/10.1117/12.2056503

KEYWORDS: Spectrographs, Sensors, Cameras, Telescopes, Optical fibers, Quantum efficiency, Collimators, Electronics, Optical amplifiers, Cryogenics

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Proceedings Article | 10 July 2014 Paper

Paper

VIRUS: production and deployment of a massively replicated fiber integral field spectrograph for the upgraded Hobby-Eberly Telescope

Gary Hill, Sarah Tuttle, Niv Drory, Hanshin Lee, Brian Vattiat, D. DePoy, J. Marshall, Andreas Kelz, Dionne Haynes, Maximilian Fabricius, Karl Gebhardt, Richard Allen, Heiko Anwad, Ralf Bender, Guillermo Blanc, Taylor Chonis, Mark Cornell, Gavin Dalton, John Good, Thomas Jahn, Hermanus Kriel, Martin Landriau, Phillip MacQueen, J. Murphy, Trent Peterson, Travis Prochaska, Harald Nicklas, Jason Ramsey, M. Roth, Richard Savage, Jan Snigula

Proceedings Volume 9147, 91470Q (2014) https://doi.org/10.1117/12.2056911

KEYWORDS: Spectrographs, Sensors, Cameras, Telescopes, Collimators, Prototyping, Charge-coupled devices, Diffraction gratings, Mirrors, Cryogenics

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Proceedings Article | 8 July 2014 Paper

Paper

Characterization of the reflectivity of various black materials

Jennifer Marshall, Patrick Williams, Jean-Philippe Rheault, Travis Prochaska, Richard Allen, D. DePoy

Proceedings Volume 9147, 91474F (2014) https://doi.org/10.1117/12.2056729

KEYWORDS: Reflectivity, Aluminum, Surface finishing, Astronomy, Polishing, Nickel, Stray light, Metals, Thin film coatings, Optical coatings

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Proceedings Article | 8 July 2014 Paper

Paper

VIRUS instrument collimator assembly

Jennifer Marshall, Darren DePoy, Travis Prochaska, Richard Allen, Patrick Williams, Jean-Philippe Rheault, Ting Li, Daniel Nagasawa, Christopher Akers, David Baker, Emily Boster, Caitlin Campbell, Erika Cook, Alison Elder, Alex Gary, Joseph Glover, Michael James, Emily Martin, Will Meador, Nicholas Mondrik, Marisela Rodriguez-Patino, Steven Villanueva, Gary Hill, Sarah Tuttle, Brian Vattiat, Hanshin Lee, Taylor Chonis, Gavin Dalton, Mike Tacon

Proceedings Volume 9147, 91473S (2014) https://doi.org/10.1117/12.2056757

KEYWORDS: Collimators, Spectrographs, Telescopes, Mirrors, Cameras, Optical alignment, Assembly equipment, Optical instrument design, Aluminum, Astronomy

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Proceedings Article | 24 September 2012 Paper

Paper

aTmcam: a simple atmospheric transmission monitoring camera for sub 1% photometric precision

Ting Li, D. DePoy, R. Kessler, D. Burke, J. Marshall, J. Wise, J.-P. Rheault, D. Carona, S. Boada, T. Prochaska, R. Allen

Proceedings Volume 8446, 84462L (2012) https://doi.org/10.1117/12.924792

KEYWORDS: Atmospheric modeling, Stars, Atmospheric particles, Imaging systems, Aerosols, Telescopes, Atmospheric optics, Prototyping, Calibration, Atmospheric monitoring

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Proceedings Article | 24 September 2012 Paper

Paper

VIRUS spectrograph assembly and alignment procedures

Travis Prochaska, Richard Allen, Emily Boster, D. DePoy, Benjamin Herbig, Gary Hill, Hanshin Lee, Jennifer Marshall, Emily Martin, William Meador, Jean-Philippe Rheault, Sarah Tuttle, Brian Vattiat

Proceedings Volume 8446, 844651 (2012) https://doi.org/10.1117/12.925487

KEYWORDS: Mirrors, Cameras, Collimators, Spectrographs, Optical alignment, Head, Optics manufacturing, CCD cameras, Telescopes, Epoxies

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Proceedings Article | 24 September 2012 Paper

Paper

Initial results from VIRUS production spectrographs

Sarah Tuttle, Richard Allen, Taylor Chonis, Mark Cornell, Darren DePoy, Gary Hill, Hanshin Lee, Jennifer Marshall, Travis Prochaska, Marc Rafal, Richard Savage, Brian Vattiat

Proceedings Volume 8446, 84465S (2012) https://doi.org/10.1117/12.925478

KEYWORDS: Cameras, Sensors, Mirrors, Spectrographs, Charge-coupled devices, Copper, Electroluminescent displays, Collimators, Imaging systems, Epoxies

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Proceedings Article | 24 September 2012 Paper

Paper

VIRUS: production of a massively replicated 33k fiber integral field spectrograph for the upgraded Hobby-Eberly Telescope

Gary Hill, Sarah Tuttle, Hanshin Lee, Brian Vattiat, Mark Cornell, D. DePoy, Niv Drory, Maximilian Fabricius, Andreas Kelz, J. Marshall, J. Murphy, Travis Prochaska, Richard Allen, Ralf Bender, Guillermo Blanc, Taylor Chonis, Gavin Dalton, Karl Gebhardt, John Good, Dionne Haynes, Thomas Jahn, Phillip MacQueen, M. Rafal, M. Roth, R. Savage, Jan Snigula

Proceedings Volume 8446, 84460N (2012) https://doi.org/10.1117/12.925434

KEYWORDS: Spectrographs, Sensors, Cameras, Telescopes, Mirrors, Prototyping, Collimators, Charge-coupled devices, Cryogenics, Galactic astronomy

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Proceedings Article | 24 September 2012 Paper

Paper

Spectrophotometric calibration system for DECam

J.-P. Rheault, D. DePoy, J. Marshall, T. Prochaska, R. Allen, J. Wise, E. Martin, P. Williams

Proceedings Volume 8446, 84466M (2012) https://doi.org/10.1117/12.924774

KEYWORDS: Telescopes, Calibration, Photodiodes, Light sources, Lamps, Spectral calibration, Monochromators, Spectroscopy, Ultraviolet radiation, Cameras

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Proceedings Article | 24 September 2012 Paper

Paper

Optomechanical design concept for GMACS: a wide-field multi-object moderate resolution optical spectrograph for the Giant Magellan Telescope (GMT)

Stephen Smee, Travis Prochaska, Stephen Shectman, Randolph Hammond, Robert Barkhouser, D. DePoy, J. Marshall

Proceedings Volume 8446, 84467N (2012) https://doi.org/10.1117/12.926437

KEYWORDS: Cameras, Telescopes, Spectrographs, Mirrors, Sensors, Astronomical imaging, Optomechanical design, Optical fibers, Collimators, Charge-coupled devices

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Proceedings Article | 24 September 2012 Paper

Paper

GMACS: a wide field, multi-object, moderate-resolution, optical spectrograph for the Giant Magellan Telescope

D. DePoy, R. Allen, R. Barkhouser, E. Boster, D. Carona, A. Harding, R. Hammond, J. Marshall, J. Orndorff, C. Papovich, K. Prochaska, T. Prochaska, J. P. Rheault, S. Smee, S. Shectman, S. Villanueva

Proceedings Volume 8446, 84461N (2012) https://doi.org/10.1117/12.926186

KEYWORDS: Spectrographs, Cameras, Telescopes, Astronomical imaging, Collimators, Optical design, Mirrors, Sensors, Mechanical engineering, Astronomy

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Proceedings Article | 21 July 2010 Paper

Paper

Mechanical design evolution of the VIRUS instrument for volume production and deployment

Brian Vattiat, Gary Hill, J. Marshall, D. DePoy, Svend Bauer, Andreas Kelz, M. Rafal, Richard Savage, John Good, John Booth, M. Smith, Travis Prochaska, Richard Allen

Proceedings Volume 7735, 773575 (2010) https://doi.org/10.1117/12.857314

KEYWORDS: Spectrographs, Cameras, Sensors, Tolerancing, Telescopes, Prototyping, Collimators, Electronics, Aluminum, Mechanical engineering

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Proceedings Article | 21 July 2010 Paper

Paper

Development of VIRUS alignment and assembly fixtures

Amanda Collins, Brian Vattiat, J. Marshall, Gary Hill, D. DePoy, Hanshin Lee, Richard Allen, Travis Prochaska, Steven Villanueva

Proceedings Volume 7735, 773574 (2010) https://doi.org/10.1117/12.857182

KEYWORDS: Mirrors, Collimators, Spectrographs, Cameras, Optical alignment, Epoxies, Assembly tolerances, Optics manufacturing, Telescopes, Assembly equipment

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