Mr. David E. Franz Profile

David E. Franz

Senior Engineer at NASA Goodard Space Flight Ctr

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Author

Publications (13)

Proceedings Article | 23 August 2024 Presentation + Paper

The NIRSpec micro-shutter array: operability and operations after two years of JWST science

Katie Bechtold, Torsten Böker, David Franz, Maurice te Plate, Timothy Rawle, Rai Wu, Peter Zeidler

Proceedings Volume 13092, 1309211 (2024) https://doi.org/10.1117/12.3017688

KEYWORDS: Camera shutters, James Webb Space Telescope, Observatories, Target acquisition, Space operations, Astronomical spectroscopy, Near infrared spectroscopy, Microelectromechanical systems, Astronomical instrumentation, Astronomical spectrometers

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Proceedings Article | 27 August 2022 Poster + Paper

In-flight performance of the NIRSpec micro shutter array

Timothy Rawle, Giovanna Giardino, David Franz, Robert Rapp, Maurice te Plate, Christian Zincke, Yasin Abul-Huda, Catarina Alves de Oliveira, Katie Bechtold, Tracy Beck, Stephan Birkmann, Torsten Böker, Ralf Ehrenwinkler, Pierre Ferruit, Dennis Garland, Peter Jakobsen, Diane Karakla, Hermann Karl, Charles Keyes, Robert Koehler, Kumari Nimisha, Nora Lützgendorf, Elena Manjavacas, Anthony Marston, S. Harvey Moseley, Peter Mosner, James Muzerolle, Patrick Ogle, Charles Proffitt, Elena Sabbi, Marco Sirianni, Glenn Wahlgren, Emily Wislowski, Raymond Wright, Chi Rai Wu, Peter Zeidler

Proceedings Volume 12180, 121803R (2022) https://doi.org/10.1117/12.2629231

KEYWORDS: James Webb Space Telescope, Vignetting, Contamination, Calibration, Multiplexing, Lamps, Astronomical spectroscopy, Apertures

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Proceedings Article | 27 August 2022 Presentation + Paper

In-orbit commissioning of the near-infrared spectrograph on the James Webb Space Telescope

Torsten Böker, Yasin Abul-Huda, Martin Altenburg, Catarina Alves de Oliveira, Katie Bechtold, Tracy Beck, Stephan Birkmann, Nina Bonaventura, Ralf Ehrenwinkler, Pierre Ferruit, David Franz, Giovanna Giardino, Peter Jakobsen, Peter Jensen, Delphine Jollet, Diane Karakla, Hermann Karl, Charles Keyes, Nimisha Kumari, Matthew Lander, Marcos López-Caniego, Nora Lützgendorf, Elena Manjavacas, Anthony Marston, Marc Maschmann, Peter Mosner, James Muzerolle, Patrick Ogle, Maria Pena Guerrero, Rachel Plesha, Charles Proffitt, Robert Rapp, Timothy Rawle, Bruno Rodriguez del Pino, Elena Sabbi, Arne Sauer, Marco Sirianni, Corbett Smith, Maurice te Plate, Glenn Wahlgren, Emily Wislowski, Chi Rai Wu, Peter Zeidler, Christian Zincke

Proceedings Volume 12180, 121800W (2022) https://doi.org/10.1117/12.2628905

KEYWORDS: James Webb Space Telescope, Target acquisition, Calibration, Spectrographs

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Proceedings Article | 30 April 2008 Paper

Development and operation of the microshutter array system

M. Jhabvala, D. Franz, T. King, G. Kletetschka, A. Kutyrev, M. Li, S. Meyer, S. Moseley, S. Schwinger, R. Silverberg

Proceedings Volume 6959, 69590C (2008) https://doi.org/10.1117/12.775768

KEYWORDS: Camera shutters, Magnetism, James Webb Space Telescope, Silicon, Semiconducting wafers, Photography, Cryogenics, Indium, Metals, Electrodes

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Proceedings Article | 26 September 2007 Paper

A microshutter-based field selector for JWST's multi-object near infrared spectrograph

Robert Silverberg, Richard Arendt, David Franz, Gunther Kletetschka, Alexander Kutyrev, Mary Li, S. Harvey Moseley, David Rapchun, Stephen Snodgrass, David Sohl, Leroy Sparr

Proceedings Volume 6678, 66780Q (2007) https://doi.org/10.1117/12.736118

KEYWORDS: James Webb Space Telescope, Spectrographs, Electronics, Galactic astronomy, Near infrared, Astronomical imaging, Camera shutters, Silicon, Space telescopes, Imaging spectroscopy

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Proceedings Article | 20 September 2007 Paper

Microshutter array system for James Webb Space Telescope

M. Li, T. Adachi, C. Allen, S. Babu, S. Bajikar, M. Beamesderfer, R. Bradley, N. Costen, Kevin Denis, A. Ewin, D. Franz, L. Hess, R. Hu, K. Jackson, M. Jhabvala, D. Kelly, T. King, G. Kletetschka, A. Kutyrev, B. Lynch, S. Meyer, T. Miller, S. Moseley, V. Mikula, B. Mott, L. Oh, J. Pontius, D. Rapchun, C. Ray, S. Schwinger, P. Shu, R. Silverberg, W. Smith, S. Snodgrass, D. Sohl, L. Sparr, R. Steptoe-Jackson, R. Thate, F. Wang, L. Wang, Y. Zheng, C. Zincke

Proceedings Volume 6687, 668709 (2007) https://doi.org/10.1117/12.734152

KEYWORDS: Camera shutters, Electrodes, Indium, Magnetism, James Webb Space Telescope, Silicon, Optical fabrication, Metals, Space telescopes, Sensors

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Proceedings Article | 3 May 2007 Paper

Complex MEMS device: microshutter array system for space applications

Mary Li, Tomoko Adachi, Christine Allen, Sachi Babu, Sateesh Bajikar, Michael Beamesderfer, Ruth Bradley, Kevin Denis, Nick Costen, Audrey Ewin, Dave Franz, Larry Hess, Ron Hu, Kamili Jackson, Murzy Jhabvala, Dan Kelly, Todd King, Gunther Kletetschka, Alexander Kutyrev, Barney Lynch, Timothy Miller, Harvey Moseley, Vilem Mikula, Brent Mott, Lance Oh, James Pontius, Dave Rapchun, Chris Ray, Knute Ray, Eric Schulte, Scott Schwinger, Peter Shu, Robert Silverberg, Wayne Smith, Steve Snodgrass, David Sohl, Leroy Sparr, Rosalind Steptoe-Jackson, Veronica Valeriano, Liqin Wang, Yun Zheng, Chris Zincke

Proceedings Volume 6556, 655602 (2007) https://doi.org/10.1117/12.721502

KEYWORDS: Camera shutters, Electrodes, Magnetism, Indium, Silicon, James Webb Space Telescope, Optical fabrication, Metals, Microelectromechanical systems, Space telescopes

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Proceedings Article | 20 December 2006 Open Access

MEMS microshutter arrays for James Webb Space Telescope

Mary Li, Tomoko Adachi, Christine Allen, Sachi Babu, Sateesh Bajikar, Michael Beamesderfer, Ruth Bradley, Kevin Denis, Nick Costen, Audrey Ewin, David Franz, Larry Hess, Ron Hu, Kamili Jackson, Murzy Jhabvala, Dan Kelly, Todd King, Gunther Kletetschka, Alexander Kutyrev, Barney Lynch, Timothy Miller, Harvey Moseley, Vilem Mikula, Brent Mott, Lance Oh, James Pontius, David Rapchun, Chris Ray, Eric Schulte, Scott Schwinger, Peter Shu, Robert Silverberg, Wayne Smith, Steve Snodgrass, David Sohl, Leroy Sparr, Rosalind Steptoe-Jackson, Valeriano Veronica, Liqin Wang, Yun Zheng, Chris Zincke

Proceedings Volume 6415, 64150B (2006) https://doi.org/10.1117/12.706308

KEYWORDS: Camera shutters, Electrodes, Indium, Magnetism, Silicon, James Webb Space Telescope, Optical fabrication, Metals, Microelectromechanical systems, Space telescopes

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Proceedings Article | 18 August 2005 Paper

Development of ultra-high sensitivity wide-band gap UV-EUV detectors at NASA Goddard Space Flight Center

S. Aslam, F. Yan, D. Pugel, D. Franz, L. Miko, F. Herrero, M. Matsumara, S. Babu, C. Stahle

Proceedings Volume 5901, 59011J (2005) https://doi.org/10.1117/12.639415

KEYWORDS: Silicon carbide, Sensors, Zinc oxide, Quantum efficiency, Ultraviolet radiation, Silicon, Gallium nitride, Photodiodes, Readout integrated circuits, Semiconductors

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Proceedings Article | 23 February 2005 Paper

Microshutter array development for the James Webb space telescope

Mary Li, Nadine Acuna, Edward Amatucci, Michael Beamesderfer, Ray Boucarut, Sachi Babu, Sateesh Bajikar, Audrey Ewin, Rainer Fettig, David Franz, Larry Hess, Ron Hu, Murzy Jhabvala, Daniel Kelly, Todd King, Gunther Kletetschka, Carl Kotechi, Alexander Kutyrev, James Loughlin, Bernard Lynch, Harvey Moseley, Brent Mott, Bill Newell, Lance Oh, David Rapchun, Chris Ray, Carol Sappington, Eric Schulte, Scott Schwinger, Wayne Smith, Steve Snodgrass, Leroy Sparr, Rosalind Steptoe-Jackson, Liqin Wang, Yun Zheng, Chris Zincke

Proceedings Volume 5650, (2005) https://doi.org/10.1117/12.581861

KEYWORDS: Camera shutters, Electrodes, Silicon, Metals, Magnetism, James Webb Space Telescope, Optical fabrication, Microelectromechanical systems, Semiconducting wafers, Reactive ion etching

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Proceedings Article | 16 January 2003 Paper

Microshutter arrays for near-infrared applications on the James Webb Space Telescope

Mary Li, Alex Bier, Rainer Fettig, David Franz, R. Hu, T. King, Alexander Kutyrev, Bernard Lynch, Samuel Moseley, David Mott, David Rapchun, Robert Silverberg, Wayne Smith, L. Wang, Yun Zheng, C. Zinke

Proceedings Volume 4981, (2003) https://doi.org/10.1117/12.476285

KEYWORDS: Camera shutters, Electrodes, Metals, Silicon, Photomasks, James Webb Space Telescope, Magnetism, Semiconducting wafers, Microelectromechanical systems, Oxides

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Proceedings Article | 2 October 2001 Paper

Magnetically actuated microshutter arrays

David Mott, Shahid Aslam, Kenneth Blumenstock, Rainer Fettig, David Franz, Alexander Kutyrev, Mary Li, Carlos Monroy, Samuel Moseley, David Schwinger

Proceedings Volume 4561, (2001) https://doi.org/10.1117/12.443109

KEYWORDS: Camera shutters, Electrodes, Silicon, Semiconducting wafers, Magnetism, Oxides, Deep reactive ion etching, Etching, Reactive ion etching, Space telescopes

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Proceedings Article | 30 April 2001 Paper

Fabrication of microshutter arrays for space application

Mary Li, I. Aslam, Audrey Ewin, Rainer Fettig, David Franz, Carl Kotecki, Alexander Kutyrev, Samuel Moseley, Carlos Monroy, David Mott, Yun Zheng

Proceedings Volume 4407, (2001) https://doi.org/10.1117/12.425314

KEYWORDS: Camera shutters, Etching, Semiconducting wafers, Silicon, Deep reactive ion etching, Magnetism, Electrodes, Oxides, Space telescopes, Microelectromechanical systems

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Showing 5 of 13 publications

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