Dr. Emmanuel Cofie Profile

Dr. Emmanuel Cofie

at NASA Goddard Space Flight Ctr

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Author

Publications (7)

Proceedings Article | 22 August 2017 Paper

Alignment and testing of critical interface fixtures for the James Webb Space Telescope

Kyle McLean, Paul Bagdanove, Joshua Berrier, Emmanuel Cofie, Tiffany Glassman, Theodore Hadjimichael, Eric Johnson, Joshua Levi, Amy Lo, Joseph McMann, Raymond Ohl, Dean Osgood, James Parker, Kevin Redman, Vicki Roberts, Matthew Stephens, Adam Sutton, Greg Wenzel, Jerrod Young

Proceedings Volume 10377, 103770H (2017) https://doi.org/10.1117/12.2272790

KEYWORDS: James Webb Space Telescope, Observatories, Optical alignment, Metrology, Space telescopes, Infrared telescopes, Astronomical telescopes, Telescopes

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Proceedings Article | 18 October 2016 Paper

Alignment of the James Webb Space Telescope Integrated Science Instrument Module Element

Theo Hadjimichael, Raymond Ohl, Scott Antonille, David Aronstein, Andrew Bartoszyk, Josh Berrier, Emmanuel Cofie, Phil Coulter, Renee Gracey, Joseph Hayden, Joseph Howard, Jason Hylan, David Kubalak, Kyle McLean, Cherie Miskey, Kevin Redman, Scott Rohrbach, Derek Sabatke, Randal Telfer, Greg Wenzel, Thomas Zielinski, Joseph Sullivan, George Hartig, William Eichhorn

Proceedings Volume 9951, 99510C (2016) https://doi.org/10.1117/12.2238829

KEYWORDS: Optical alignment, James Webb Space Telescope, Cryogenics, Metrology, Virtual colonoscopy, Interfaces, Calibration, Computer aided design, Mirrors, Finite element methods

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Proceedings Article | 27 September 2016 Presentation + Paper

Optical testing and verification methods for the James Webb Space Telescope Integrated Science Instrument Module element

Scott Antonille, Cherie Miskey, Raymond Ohl, Scott Rohrbach, David Aronstein, Andrew Bartoszyk, Charles Bowers, Emmanuel Cofie, Nicholas Collins, Brian Comber, William Eichhorn, Alistair Glasse, Renee Gracey, George Hartig, Joseph Howard, Douglas Kelly, Randy Kimble, Jeffrey Kirk, David Kubalak, Wayne Landsman, Don Lindler, Eliot Malumuth, Michael Maszkiewicz, Marcia Rieke, Neil Rowlands, Derek Sabatke, Corbett Smith, J. Scott Smith, Joseph Sullivan, Randal Telfer, Maurice Te Plate, M. Begoña Vila, Gerry Warner, David Wright, Raymond Wright, Julia Zhou, Thomas Zielinski

Proceedings Volume 9951, 995105 (2016) https://doi.org/10.1117/12.2238838

KEYWORDS: James Webb Space Telescope, Optical components, Space telescopes, Optical testing, Sensors, Calibration, Data modeling, Human-machine interfaces, Error analysis, Analytical research

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Proceedings Article | 10 August 2016 Paper

Structural, thermal, and optical performance (STOP) modeling and results for the James Webb Space Telescope integrated science instrument module

Renee Gracey, Andrew Bartoszyk, Emmanuel Cofie, Brian Comber, George Hartig, Joseph Howard, Derek Sabatke, Greg Wenzel, Raymond Ohl

Proceedings Volume 9911, 99111A (2016) https://doi.org/10.1117/12.2233641

KEYWORDS: Thermal modeling, Performance modeling, James Webb Space Telescope, Thermography, Instrument modeling, Systems modeling, Motion models, Temperature metrology, Finite element methods, Error analysis

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Proceedings Article | 29 September 2011 Paper

Cryogenic thermal distortion model validation for the JWST ISIM structure

John Johnston, Emmanuel Cofie

Proceedings Volume 8150, 81500A (2011) https://doi.org/10.1117/12.893942

KEYWORDS: Distortion, Thermal modeling, Cryogenics, James Webb Space Telescope, Interfaces, Performance modeling, Motion models, Stochastic processes, Photogrammetry, Metrology

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Proceedings Article | 29 September 2011 Paper

Cryogenic thermal distortion performance characterization for the JWST ISIM structure

John Johnston, Emmanuel Cofie, Jason Hylan, Raymond Ohl, Maria Nowak, Douglas McGuffey, James Pontius, Eric Johnson

Proceedings Volume 8150, 815009 (2011) https://doi.org/10.1117/12.893932

KEYWORDS: Distortion, Cryogenics, Motion measurement, Metrology, James Webb Space Telescope, Photogrammetry, Kinematics, Motion models, Thermal modeling, Space telescopes

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Proceedings Article | 3 September 2010 Paper

Cryogenic performance of a high precision photogrammetry system for verification of the James Webb Space Telescope Integrated Science Instrument Module and associated ground support equipment structural alignment requirements

Maria Nowak, Paul Cleveland, Emmanuel Cofie, J. Allen Crane, Pamela Davila, Bente Eegholm, Randolph Hammond, James Heaney, Jason Hylan, John Johnston, Raymond Ohl, Joseph Orndorff, Dean Osgood, Kevin Redman, Henry Sampler, Stephen Smee, Joseph Stock, Felix Threat, Robert Woodruff, Philip Young

Proceedings Volume 7793, 77930A (2010) https://doi.org/10.1117/12.862595

KEYWORDS: Cryogenics, Photogrammetry, Metrology, James Webb Space Telescope, Optical alignment, Interfaces, Cameras, Space telescopes, Optical components, Observatories

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Showing 5 of 7 publications

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