Mr. David M. Chaney Profile

David M. Chaney

Optical Engineer

SPIE Involvement:

Author

Publications (24)

Proceedings Article | 6 July 2018 Presentation + Paper

Performance of the center-of-curvature optical assembly during cryogenic testing of the James Webb Space Telescope

James Hadaway, Conrad Wells, Gene Olczak, Mark Waldman, Tony Whitman, Joseph Cosentino, Michael Zarella, Mark Connolly, David Chaney, Randal Telfer

Proceedings Volume 10698, 1069803 (2018) https://doi.org/10.1117/12.2315762

KEYWORDS: James Webb Space Telescope, Mirrors, Cryogenics, Adaptive optics, Tolerancing, Optical fabrication, Space telescopes, Interferometers, Cameras, Aerospace engineering

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Proceedings Article | 6 July 2018 Paper

JWST optical telescope element center of curvature test

Babak Saif, Ritva Keski-Kuha, David Chaney, Perry Greenfield, Kyle Van Gorkom, Keira Brooks, Warren Hack, Marcel Bluth, Josh Bluth, James Sanders, Koby Smith, Larkin Carey, Sze Chaung, Lee Feinberg, Severine Tournois, W. Scott Smith, Vladimir Kradinov

Proceedings Volume 10698, 106983M (2018) https://doi.org/10.1117/12.2313029

KEYWORDS: Mirrors, Space telescopes, Monochromatic aberrations, James Webb Space Telescope, Computer generated holography, Telescopes, Interferometers, Optical testing, Optical alignment, Optical fabrication

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Proceedings Article | 5 September 2017 Presentation + Paper

JWST center of curvature test method and results

Babak Saif, David Chaney, Perry Greenfield, Kyle Van Gorkom, Keira Brooks, Warren Hack, Marcel Bluth, Josh Bluth, James Sanders, Koby Smith, Larkin Carey, Sze Chaung, Ritva Keski-Kuha, Lee Feinberg, Severine Tournois, W. Scott Smith, Vladimir Kradinov

Proceedings Volume 10401, 104010T (2017) https://doi.org/10.1117/12.2273974

KEYWORDS: James Webb Space Telescope, Mirrors, Space telescopes, Telescopes, Interferometers, Metrology, Optical fabrication equipment, Optical telescopes, Optical components, Optical fabrication

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Proceedings Article | 29 July 2016 Paper

Characterization of the JWST Pathfinder mirror dynamics using the center of curvature optical assembly (CoCOA)

Conrad Wells, James Hadaway, Gene Olczak, Joseph Cosentino, John Johnston, Tony Whitman, Mark Connolly, David Chaney, J. Scott Knight, Randal Telfer

Proceedings Volume 9904, 990440 (2016) https://doi.org/10.1117/12.2234224

KEYWORDS: Mirrors, James Webb Space Telescope, Cryogenics, Interferometers, Space telescopes, Mirrors, James Webb Space Telescope, Cryogenics, Space telescopes, Image segmentation, Wavefronts, Optical fabrication, Aerospace engineering, Telescopes

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Proceedings Article | 29 July 2016 Paper

Performance of the primary mirror center-of-curvature optical metrology system during cryogenic testing of the JWST Pathfinder telescope

James Hadaway, Conrad Wells, Gene Olczak, Mark Waldman, Tony Whitman, Joseph Cosentino, Mark Connolly, David Chaney, Randal Telfer

Proceedings Volume 9904, 99044E (2016) https://doi.org/10.1117/12.2234741

KEYWORDS: James Webb Space Telescope, Space telescopes, Telescopes, Phase modulation, Cryogenics, Mirrors, Interferometers, Optical metrology, Optical fabrication, Optical alignment

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Proceedings Article | 2 August 2014 Paper

New method for characterizing the state of optical and opto-mechanical systems

Babak Saif, Ritva Keski-Kuha, Lee Feinberg, David Chaney, Marcel Bluth, Perry Greenfield, Warren Hack, Scott Smith, James Sanders

Proceedings Volume 9143, 91430C (2014) https://doi.org/10.1117/12.2055243

KEYWORDS: Mirrors, Space telescopes, Computer generated holography, James Webb Space Telescope, Telescopes, Interferometers, Monochromatic aberrations, Neodymium, Metrology, Data acquisition

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Proceedings Article | 21 September 2012 Paper

Statistical analysis of the surface figure of the James Webb Space Telescope

Paul Lightsey, David Chaney, Benjamin Gallagher, Bob Brown, Koby Smith, John Schwenker

Proceedings Volume 8442, 84422F (2012) https://doi.org/10.1117/12.924836

KEYWORDS: Mirrors, Spatial frequencies, Monochromatic aberrations, James Webb Space Telescope, Cryogenics, Shape memory alloys, Metrology, Statistical analysis, Polishing, Space telescopes

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Proceedings Article | 27 September 2011 Paper

The optical metrology system for cryogenic testing of the JWST primary mirror segments

James Hadaway, David Chaney, Larkin Carey

Proceedings Volume 8126, 81260P (2011) https://doi.org/10.1117/12.894582

KEYWORDS: Mirrors, Computer generated holography, Cryogenics, James Webb Space Telescope, Imaging systems, Optical metrology, Optical testing, Interferometers, Optical alignment, Control systems

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Proceedings Article | 27 September 2011 Paper

Electronic speckle pattern interferometric testing of JWST primary mirror segment assembly

Koby Smith, David Chaney, Babak Saif

Proceedings Volume 8126, 81260N (2011) https://doi.org/10.1117/12.889142

KEYWORDS: Mirrors, Optical fabrication, Speckle pattern, James Webb Space Telescope, Surface finishing, Optical testing, Interferometers, Acoustics, Speckle, Interferometry

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Proceedings Article | 15 September 2011 Paper

JWST mirror production status

Benjamin Gallagher, Mark Bergeland, Bob Brown, David Chaney, Tracy Copp, Jake Lewis, Brad Shogrin, Koby Smith, Jeff Sokol, James Hadaway, Holger Glatzel, Patrick Johnson, Allen Lee, Dan Patriarca, Ian Stevenson, Jason Cluney, Tom Parsonage, Jeff Calvert, Brady Rodgers, Andy McKay, Scott Texter, Lester Cohen, Lee Feinberg

Proceedings Volume 8146, 814607 (2011) https://doi.org/10.1117/12.892326

KEYWORDS: Mirrors, James Webb Space Telescope, Coating, Cryogenics, Polishing, Surface finishing, Aerospace engineering, Beryllium, Manufacturing, Composites

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Proceedings Article | 13 September 2011 Paper

Cryogenic performance of the JWST primary mirror segment engineering development unit

David Chaney, James Hadaway, Jake Lewis, Benjamin Gallagher, Bob Brown

Proceedings Volume 8150, 815008 (2011) https://doi.org/10.1117/12.892337

KEYWORDS: Mirrors, Cryogenics, Manufacturing, James Webb Space Telescope, Distortion, Computer generated holography, Interferometers, Aerospace engineering, Space telescopes, Optical testing

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Proceedings Article | 5 August 2010 Paper

Optical performance for the actively controlled James Webb Space Telescope

Paul Lightsey, Dave Chaney, Ben Gallagher, Bob Brown, Koby Smith, Jake Lewis, Allison Barto, Scott Knight, Scott Acton, Chris Stewart, Noah Siegel

Proceedings Volume 7731, 77310B (2010) https://doi.org/10.1117/12.859091

KEYWORDS: Mirrors, James Webb Space Telescope, Telescopes, Space telescopes, Polishing, Shape memory alloys, Cryogenics, Image segmentation, Spatial frequencies, Wavefront sensors

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Proceedings Article | 3 August 2010 Paper

Survey of interferometric techniques used to test JWST optical components

H. Philip Stahl, Chris Alongi, Andrea Arneson, Rob Bernier, Bob Brown, Dave Chaney, Glen Cole, Jay Daniel, Lee Dettmann, Ron Eng, Ben Gallagher, Robert Garfield, James Hadaway, Patrick Johnson, Allen Lee, Doug Leviton, Adam Magruder, Michael Messerly, Ankit Patel, Pat Reardon, John Schwenker, Martin Seilonen, Koby Smith, W. Scott Smith

Proceedings Volume 7790, 779002 (2010) https://doi.org/10.1117/12.862234

KEYWORDS: Mirrors, Interferometers, Metrology, James Webb Space Telescope, Optical testing, Computer generated holography, Optical components, Cryogenics, Interferometry, Optical fabrication

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Proceedings Article | 5 May 2010 Paper

Image processing for alignment of aspheric optics without fiducials

Babak Saif, Perry Greenfield, Warren Hack, Ritva Keski-Kuha, Lee Feinberg, David Chaney

Proceedings Volume 7723, 772309 (2010) https://doi.org/10.1117/12.853992

KEYWORDS: Image segmentation, Mirrors, Phase modulation, Monochromatic aberrations, Image processing, James Webb Space Telescope, Computer generated holography, Image filtering, Optical alignment, Space telescopes

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Proceedings Article | 18 September 2009 Paper

Cryogenic radius of curvature matching for the JWST primary mirror segments

David Chaney, James Hadaway, Jackson Lewis

Proceedings Volume 7439, 743916 (2009) https://doi.org/10.1117/12.845115

KEYWORDS: Mirrors, Cryogenics, James Webb Space Telescope, Manufacturing, Polishing, Metrology, Computer generated holography, Actuators, Beryllium, Aerospace engineering

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Proceedings Article | 7 July 2006 Paper

The JWST infrared Scanning Shack Hartman System: a new in-process way to measure large mirrors during optical fabrication at Tinsley

Craig Kiikka, Daniel Neal, John Kincade, Robert Bernier, Tony Hull, David Chaney, Steve Farrer, John Dixson, Avery Causey, Steve Strohl

Proceedings Volume 6265, 62653D (2006) https://doi.org/10.1117/12.672887

KEYWORDS: Mirrors, Wavefronts, Wavefront sensors, Sensors, Surface finishing, James Webb Space Telescope, Metrology, Optical fabrication, Telescopes, Infrared radiation

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Proceedings Article | 10 June 2006 Paper

An overview of optical fabrication of the JWST mirror segments at Tinsley

Glen Cole, Robert Garfield, Tracy Peters, Wendell Wolff, Kris Johnson, Robert Bernier, Craig Kiikka, Taha Nassar, Howard Wong, John Kincade, Tony Hull, Ben Gallagher, David Chaney, Robert Brown, Andrew McKay, Lester Cohen

Proceedings Volume 6265, 62650V (2006) https://doi.org/10.1117/12.672926

KEYWORDS: Mirrors, James Webb Space Telescope, Beryllium, Safety, Surface finishing, Metrology, Infrared telescopes, Polishing, Space telescopes, Cryogenics

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Proceedings Article | 12 October 2004 Paper

Results of the beryllium AMSD mirror cryogenic optical testing

David Chaney, Robert Brown, Stephen Kendrick, Patrick Reardon, James Hadaway, Jay Carpenter, Ron Eng

Proceedings Volume 5487, (2004) https://doi.org/10.1117/12.549956

KEYWORDS: Mirrors, Cryogenics, Computer generated holography, Beryllium, James Webb Space Telescope, Temperature metrology, Actuators, Distortion, Polishing, Optical testing

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Proceedings Article | 12 October 2004 Paper

Optical coronagraph testbed requirements and design for exoplanet and star simulation

Stephen Kendrick, Jennifer Turner-Valle, Dennis Ebbets, Robert Bates, David Chaney

Proceedings Volume 5487, (2004) https://doi.org/10.1117/12.549465

KEYWORDS: Mirrors, Stars, Planets, Coronagraphy, Device simulation, Wavefronts, Spatial frequencies, James Webb Space Telescope, Telescopes, Relays

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Proceedings Article | 22 December 2003 Paper

Optical characterization of the beryllium semi-rigid AMSD mirror assembly

Stephen Kendrick, David Chaney, Robert Brown

Proceedings Volume 5180, (2003) https://doi.org/10.1117/12.506386

KEYWORDS: Mirrors, Cryogenics, Beryllium, Actuators, James Webb Space Telescope, Optical fabrication, Polishing, Surface finishing, Temperature metrology, Diamond turning

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Proceedings Article | 5 March 2003 Paper

Lightweighted beryllium cryogenic mirrors for both monolithic and segmented space telescopes

Stephen Kendrick, Robert Brown, Scott Streetman, David Chaney

Proceedings Volume 4850, (2003) https://doi.org/10.1117/12.461222

KEYWORDS: Mirrors, Actuators, Beryllium, Cryogenics, Phase modulation, Coating, Space telescopes, Polishing, Telescopes, Segmented mirrors

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Proceedings Article | 6 March 2001 Paper

Optomechanical tests and performance results of the SIRTF cryogenic optical system

Robert Brown, David Chaney

Proceedings Volume 4198, (2001) https://doi.org/10.1117/12.417340

KEYWORDS: Mirrors, Telescopes, Cryogenics, Wavefronts, Polishing, Photovoltaics, Surface finishing, Interfaces, Temperature metrology, Manufacturing

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Proceedings Article | 16 November 2000 Paper

Verification facility for cryogenic optics, mechanisms, and structures for the SIRTF telescope

David Pearson, James Hardy, Mark Lysek, Jennifer Dooley, Robert Brown, David Chaney, Alfred Nash

Proceedings Volume 4131, (2000) https://doi.org/10.1117/12.406548

KEYWORDS: Space telescopes, Telescopes, Helium, Optical testing, Nitrogen, Mirrors, Prototyping, Liquids, Interferometers, Optical cryogenics

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Proceedings Article | 29 October 1999 Paper

SIRTF prototype telescope

David Chaney, Robert Brown, Todd Shelton

Proceedings Volume 3785, (1999) https://doi.org/10.1117/12.367620

KEYWORDS: Telescopes, Mirrors, Space telescopes, Prototyping, Wavefronts, Cryogenics, Aerospace engineering, Infrared telescopes, Optical instrument design, Beryllium

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Showing 5 of 24 publications

Conference Committee Involvement (4)

Cryogenic Optical Systems and Instruments XV

29 August 2013 | San Diego, California, United States

Cryogenic Optical Systems and Instruments XIV

24 August 2011 | San Diego, California, United States

Cryogenic Optical Systems and Instruments XIII

3 August 2009 | San Diego, California, United States

Cryogenic Optical Systems and Instruments XII

26 August 2007 | San Diego, California, United States

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