Mr. Lloyd R. Purves Profile

Lloyd R. Purves

at NASA Goddard Space Flight Ctr

SPIE Involvement:

Author

Publications (14)

Proceedings Article | 13 December 2020 Poster + Paper

VTXO: the virtual telescope for x-ray observations

John Krizmanic, Neerav Shah, Philip Calhoun, Alice Harding, Lloyd Purves, Cassandra Webster, Michael Corcoran, Chris Schrader, Steven Stochaj, Kyle Rankin, Daniel Smith, Krishna Kota, Hyeongjun Park, Laura Boucheron, Asal Nasari

Proceedings Volume 11444, 114447V (2020) https://doi.org/10.1117/12.2562714

KEYWORDS: X-ray telescopes, X-rays, Spatial resolution, X-ray imaging, Lenses, X-ray optics, Sensors, X-ray detectors, Cameras, Environmental sensing

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Proceedings Article | 12 July 2019 Open Access

European and US technologies enable CETUS: an ultraviolet space telescope concept

Tony Hull, Sara Heap, Bill Danchi, Bob Woodruff, Steve Kendrick, Lloyd Purves

Proceedings Volume 11180, 1118075 (2019) https://doi.org/10.1117/12.2536176

KEYWORDS: Galactic astronomy, Spectrographs, Ultraviolet radiation, Space telescopes, Telescopes, Spectroscopy, Stars, Cameras, Astronomical imaging, Mirrors

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SPIE Journal Paper | 3 May 2019 Open Access

Optical design for CETUS: a wide-field 1.5-m aperture UV payload being studied for a NASA probe class mission study

Robert Woodruff, William Danchi, Sara Heap, Tony Hull, Stephen Kendrick, Lloyd Purves, Michael Rhee, Eric Mentzell, Brian Fleming, Marty Valente, James Burge, Ben Lewis, Kelly Dodson, Greg Mehle, Matt Tomic

JATIS, Vol. 5, Issue 02, 024006, (May 2019) https://doi.org/10.1117/12.10.1117/1.JATIS.5.2.024006

KEYWORDS: Mirrors, Content addressable memory, Molybdenum, Sensors, Image quality, Optical design, Spectrographs, Optical alignment, Spectral resolution, Silicon

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Proceedings Article | 6 July 2018 Paper

UV capabilities of the CETUS multi-object spectrometer (MOS) and NUV/FUV camera

Stephen Kendrick, Robert Woodruff, Tony Hull, Sara Heap, Alexander Kutyrev, William Danchi, Lloyd Purves

Proceedings Volume 10699, 1069939 (2018) https://doi.org/10.1117/12.2314114

KEYWORDS: Cameras, Galactic astronomy, Ultraviolet radiation, Optical filters, Charge-coupled devices, CCD image sensors, Carbon nanotubes, Astronomical spectrometers

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Proceedings Article | 5 September 2017 Presentation + Paper

The NASA probe-class mission concept, CETUS (Cosmic Evolution Through Ultraviolet Spectroscopy)

Sara Heap, William Danchi, James Burge, Kelly Dodson, Anthony Hull, Steven Kendrick, Stephan McCandliss, Gregory Mehle, Lloyd Purves, David Sheikh, Martin Valente, Robert Woodruff

Proceedings Volume 10398, 103980U (2017) https://doi.org/10.1117/12.2274202

KEYWORDS: Space telescopes, Telescopes, Ultraviolet radiation, Spectrographs, Imaging spectroscopy, Ultraviolet telescopes, Astronomical imaging, Cameras, Optical instrument design, UV-Vis spectroscopy

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Proceedings Article | 5 September 2017 Paper

Optical design for CETUS: a wide-field 1.5m aperture UV payload being studied for a NASA probe class mission study

Robert Woodruff, Tony Hull, Sara Heap, William Danchi, Stephen Kendrick, Lloyd Purves

Proceedings Volume 10401, 104011P (2017) https://doi.org/10.1117/12.2286680

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Proceedings Article | 5 September 2017 Presentation + Paper

Multiplexing in astrophysics with a UV multi-object spectrometer on CETUS, a probe-class mission study

Stephen Kendrick, Robert Woodruff, Tony Hull, Sara Heap, Alexander Kutyrev, William Danchi, Lloyd Purves

Proceedings Volume 10401, 1040111 (2017) https://doi.org/10.1117/12.2286681

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Proceedings Article | 10 August 2016 Paper

End-to-end simulations and planning of a small space telescopes: Galaxy Evolution Spectroscopic Explorer: a case study

Sara Heap, David Folta, Qian Gong, Joseph Howard, Tony Hull, Lloyd Purves

Proceedings Volume 9911, 991117 (2016) https://doi.org/10.1117/12.2234249

KEYWORDS: Device simulation, Space telescopes, Telescopes, Space operations, Galaxy evolution, Stars, Galactic astronomy, Spectroscopy, Spectrographs, Near ultraviolet

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Proceedings Article | 19 July 2016 Paper

Galaxy evolution spectroscopic explorer: scientific rationale

Sara Heap, Zoran Ninkov, Massimo Robberto, Tony Hull, Lloyd Purves

Proceedings Volume 9905, 990505 (2016) https://doi.org/10.1117/12.2234235

KEYWORDS: Ultraviolet radiation, Space telescopes, Spectroscopes, Spectrographs, Space operations, Telescopes, Sensors, Mirrors, Imaging spectroscopy, Astronomy

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Proceedings Article | 28 August 2014 Paper

Galaxy Evolution Spectroscopic Explorer (GESE): science rationale, optical design, and telescope architecture

Sara Heap, Qian Gong, Tony Hull, Lloyd Purves

Proceedings Volume 9143, 91433K (2014) https://doi.org/10.1117/12.2056768

KEYWORDS: Galactic astronomy, Telescopes, Ultraviolet radiation, Mirrors, Spectroscopy, Galaxy evolution, Space telescopes, Camera shutters, Cameras, Spectrographs

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Proceedings Article | 26 September 2013 Paper

A small space telescope to conduct a large spectroscopic survey of galaxies

Sara Heap, Qian Gong, Tony Hull, Jeffrey Kruk, Lloyd Purves, Massimo Robberto

Proceedings Volume 8860, 88600D (2013) https://doi.org/10.1117/12.2023730

KEYWORDS: Galactic astronomy, Mirrors, Digital micromirror devices, Spectrographs, Space telescopes, Telescopes, Ultraviolet radiation, Spectroscopy, Astronomical imaging, UV optics

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Proceedings Article | 6 August 2010 Paper

ATLAST-9.2m: a large-aperture deployable space telescope

William Oegerle, Lee Feinberg, Lloyd Purves, T. Tupper Hyde, Harley Thronson, Jacqueline Townsend, Marc Postman, Matthew Bolcar, Jason Budinoff, Bruce Dean, Mark Clampin, Dennis Ebbets, Qian Gong, Theodore Gull, Joseph Howard, Andrew Jones, Richard Lyon, Bert Pasquale, Charles Perrygo, Jeffrey Smith, Patrick Thompson, Bruce Woodgate

Proceedings Volume 7731, 77312M (2010) https://doi.org/10.1117/12.857622

KEYWORDS: Mirrors, Space telescopes, Telescopes, James Webb Space Telescope, Sensors, Sun, Observatories, Ultraviolet radiation, Stray light, Stars

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Proceedings Article | 21 September 2007 Paper

Conceptual design of the TPF-O SC buses

Lloyd Purves

Proceedings Volume 6687, 668718 (2007) https://doi.org/10.1117/12.732597

KEYWORDS: Telescopes, Space telescopes, Stars, Cameras, Planets, Ions, Antennas, Control systems, Sensors, Space operations

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Proceedings Article | 14 June 2006 Paper

Concept for a large scalable space telescope: in-space assembly

W. Oegerle, L. Purves, J. Budinoff, R. Moe, T. Carnahan, D. Evans, C. Kim

Proceedings Volume 6265, 62652C (2006) https://doi.org/10.1117/12.672244

KEYWORDS: Space telescopes, Mirrors, Robots, Observatories, Robotics, Telescopes, James Webb Space Telescope, Image segmentation, Optical instrument design, Optical design

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Showing 5 of 14 publications

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