Dr. Theodore J. Hadjimichael
Electronics Engineer at NASA Goddard Space Flight Ctr
SPIE Involvement:
Author
Publications (33)

Proceedings Article | 24 August 2024 Presentation
Proceedings Volume 13092, 130921R (2024) https://doi.org/10.1117/12.3018843

Proceedings Article | 23 August 2024 Presentation + Paper
Ritva Keski-Kuha, Ryan Derosa, Kevin Boyce, Theodore Hadjimichael, Joseph Howard, Joseph Ivanov, Timothy Johnson, Joshua Lutter, Jonathan Papa, Shannon Sankar, Andrew Weaver
Proceedings Volume 13092, 130922C (2024) https://doi.org/10.1117/12.3019158
KEYWORDS: Telescopes, Space operations, Optical benches, Design, Engineering, Optical fabrication, Optical alignment, Mirrors, Wavefront errors

SPIE Journal Paper | 10 April 2021 Open Access
OE, Vol. 60, Issue 04, 049801, (April 2021) https://doi.org/10.1117/12.10.1117/1.OE.60.4.049801
KEYWORDS: Optical testing, Optical alignment, Metrology, Optical engineering, Geometrical optics

SPIE Journal Paper | 15 March 2021
OE, Vol. 60, Issue 03, 035106, (March 2021) https://doi.org/10.1117/12.10.1117/1.OE.60.3.035106
KEYWORDS: Metrology, Mirrors, Optical testing, Optical alignment, Optical engineering, Interferometry, Optical fabrication, Aspheric lenses, Terbium, Lawrencium

Proceedings Article | 22 August 2017 Paper
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

Proceedings Article | 22 August 2017 Paper
Theo Hadjimichael, Raymond Ohl, Josh Berrier, Jeff Gum, Joseph Hayden, Manal Khreishi, Kyle McLean, Kevin Redman, Joseph Sullivan, Greg Wenzel, William Eichhorn, Jerrod Young
Proceedings Volume 10377, 103770I (2017) https://doi.org/10.1117/12.2273991
KEYWORDS: James Webb Space Telescope, Metrology, Space telescopes, Mirrors, Optical alignment, Telescopes, Infrared telescopes, Optical components, Optical fabrication, Astronomical telescopes

Proceedings Article | 20 October 2016 Presentation + Paper
Proceedings Volume 9951, 995108 (2016) https://doi.org/10.1117/12.2239070
KEYWORDS: Optical alignment, Metrology, Optical components, James Webb Space Telescope, Mirrors, Telescopes, Lawrencium, Sensors, Spherical lenses, Optical benches

Proceedings Article | 18 October 2016 Paper
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

Proceedings Article | 29 July 2016 Paper
Tiffany Glassman, Joshua Levi, Till Liepmann, Walter Hahn, Gary Bisson, Dan Porpora, Theo Hadjimichael
Proceedings Volume 9904, 99043Z (2016) https://doi.org/10.1117/12.2233792
KEYWORDS: Mirrors, James Webb Space Telescope, Optical alignment, Space telescopes, Optical components, Space telescopes, Optical telescopes, Adaptive optics, Data modeling, Telescopes, Shape memory alloys

Proceedings Article | 8 September 2014 Paper
Phillip Coulter, Alexander Beaton, Jeffery Gum, Theodore Hadjimichael, Joseph Hayden, Susann Hummel, Jason Hylan, David Lee, Timothy Madison, Michael Maszkiewicz, Kyle Mclean, Joseph McMann, Markus Melf, Linda Miner, Raymond Ohl, Kevin Redman, Andreas Roedel, Paul Schweiger, Maurice Te Plate, Martyn Wells, Greg Wenzel, Patrick Williams, Jerrod Young
Proceedings Volume 9195, 91950G (2014) https://doi.org/10.1117/12.2065017
KEYWORDS: Lawrencium, Silicon, Optical alignment, Virtual colonoscopy, James Webb Space Telescope, Metrology, Space telescopes, Telescopes, Finite element methods, Mirrors

Proceedings Article | 3 September 2010 Paper
T. Hadjimichael, D. Kubalak, A. Slotwinski, P. Davila, B. Eegholm, W. Eichhorn, J. Hayden, E. Mentzell, R. Ohl, G. Scharfstein, R. Telfer
Proceedings Volume 7793, 77930B (2010) https://doi.org/10.1117/12.862693
KEYWORDS: Lawrencium, Cryogenics, Metrology, James Webb Space Telescope, LIDAR, Aluminum, Optical alignment, Temperature metrology, Calibration, Atmospheric modeling

Proceedings Article | 29 July 2010 Paper
Proceedings Volume 7732, 77322S (2010) https://doi.org/10.1117/12.857608
KEYWORDS: Point spread functions, Mirrors, Space telescopes, Diffraction, James Webb Space Telescope, X-ray telescopes, Phase retrieval, Grazing incidence, Telescopes, Wavefront sensors

Proceedings Article | 31 August 2009 Paper
J. Lehan, M. Atanossova, K.-W. Chan, T. Hadjimichael, T. Saha, M. Hong, W. Zhang, P. Blake
Proceedings Volume 7437, 74370R (2009) https://doi.org/10.1117/12.826625
KEYWORDS: Mirrors, Metrology, X-rays, Interferometers, Distortion, Calibration, Time metrology, Observatories, Spatial frequencies, X-ray telescopes

Proceedings Article | 22 August 2009 Paper
J. Lehan, G. Byron, R. McClelland, T. Hadjimichael, R. Russell, D. Robinson
Proceedings Volume 7433, 743308 (2009) https://doi.org/10.1117/12.826636
KEYWORDS: Computer generated holography, Lenses, Wavefronts, Interferometers, Alignment procedures, Optical alignment, Temperature metrology, Multi-element lenses, X-ray telescopes, Aluminum

Proceedings Article | 30 April 2009 Paper
W. Zhang, J. Bolognese, G. Byron, K. W. Chan, D. Content, T. Hadjimichael, Charles Hewitt, M. Hill, M. Hong, J. Lehan, L. Lozipone, J. Mazzarella, R. McClelland, D. Nguyen, L. Olsen, R. Petre, D. Robinson, S. Rohrbach, R. Russell, T. Saha, M. Sharpe, M. Gubarev, W. Jones, S. O'Dell, W. Davis, D. Caldwell, M. Freeman, W. Podgorski, P. Reid
Proceedings Volume 7360, 73600J (2009) https://doi.org/10.1117/12.833544
KEYWORDS: Mirrors, X-rays, Metrology, Observatories, Glasses, X-ray optics, X-ray technology, Coating, Image segmentation, Optical alignment

Proceedings Article | 25 July 2008 Paper
Proceedings Volume 7018, 701815 (2008) https://doi.org/10.1117/12.789798
KEYWORDS: Mirrors, Metrology, X-ray telescopes, X-rays, Telescopes, Kinematics, Space telescopes, Mirror mounts, Interferometers, Aerospace engineering

Proceedings Article | 15 July 2008 Paper
Proceedings Volume 7011, 701134 (2008) https://doi.org/10.1117/12.789838
KEYWORDS: Mirrors, Image segmentation, X-ray imaging, X-rays, Optical metrology, X-ray telescopes, Space mirrors, Space telescopes, Image quality, Aerospace engineering

Proceedings Article | 14 July 2008 Paper
W. Zhang, J. Bolognese, G. Byron, K. Chan, D. Content, T. Hadjimichael, Charles He, M. Hill, M. Hong, J. Lehan, L. Lozipone, J. Mazzarella, R. McClelland, D. Nguyen, L. Olsen, R. Petre, D. Robinson, S. Rohrbach, R. Russell, T. Saha, M. Sharpe, M. Gubarev, W. Jones, S. O'Dell, W. Davis, D. Caldwell, M. Freeman, W. Podgorski, P. Reid
Proceedings Volume 7011, 701103 (2008) https://doi.org/10.1117/12.788453
KEYWORDS: Mirrors, X-rays, Glasses, Metrology, Coating, Distortion, X-ray optics, Observatories, Optical alignment, Image segmentation

Proceedings Article | 3 October 2007 Paper
W. Zhang, J. Bolognese, K. W. Chan, D. Content, T. Hadjimichael, Charles He, M. Hong, J. Lehan, J. Mazzarella, D. Nguyen, L. Olsen, S. Owens, R. Petre, T. Saha, M. Sharpe, J. Sturm, T. Wallace, M. Gubarev, W. Jones, S. O'Dell, W. Davis, M. Freeman, W. Podgorski, P. Reid
Proceedings Volume 6688, 668802 (2007) https://doi.org/10.1117/12.731872
KEYWORDS: Mirrors, X-rays, Metrology, X-ray optics, Epoxies, Image segmentation, Observatories, Glasses, X-ray technology, Spatial resolution

Proceedings Article | 3 October 2007 Paper
Proceedings Volume 6688, 668818 (2007) https://doi.org/10.1117/12.733080
KEYWORDS: Mirrors, Metrology, X-ray telescopes, Interferometry, Spectroscopy, Interferometers, X-rays, Glasses, Calibration, Space telescopes

Proceedings Article | 20 September 2007 Paper
J. Lehan, T. Hadjimichael, C. Skocik
Proceedings Volume 6688, 668819 (2007) https://doi.org/10.1117/12.733096
KEYWORDS: Mirrors, Metrology, Distortion, X-ray telescopes, Glasses, Space telescopes, X-rays, Lens design, Spectroscopy, Telescopes

Proceedings Article | 20 September 2007 Paper
Theo Hadjimichael, Scott Owens, John Lehan, Larry Olsen, Timo Saha, Tom Wallace, Will Zhang
Proceedings Volume 6688, 66881D (2007) https://doi.org/10.1117/12.734502
KEYWORDS: Mirrors, Image segmentation, Adhesives, Glasses, X-rays, Image quality, X-ray telescopes, Aerospace engineering, Space mirrors, Collimation

SPIE Journal Paper | 1 July 2007 Open Access
OE, Vol. 46, Issue 07, 070503, (July 2007) https://doi.org/10.1117/12.10.1117/1.2750656
KEYWORDS: Mirrors, Interferometers, Optical alignment, Aerospace engineering, Metrology, Cylindrical lenses, Fizeau interferometers, Diffractive optical elements, Prisms, Precision optics

Proceedings Article | 7 September 2006 Paper
Proceedings Volume 6291, 62910V (2006) https://doi.org/10.1117/12.678513
KEYWORDS: Camera shutters, Stray light, Sensors, Staring arrays, Optical testing, James Webb Space Telescope, Infrared radiation, Cryogenics, Fiber optic illuminators, Space telescopes

Proceedings Article | 20 June 2006 Paper
Proceedings Volume 6266, 62661W (2006) https://doi.org/10.1117/12.672663
KEYWORDS: Mirrors, Image segmentation, Actuators, Interferometers, Collimation, Optical alignment, X-ray telescopes, Data centers, Data modeling, Sensors

Proceedings Article | 8 October 2005 Paper
Proceedings Volume 5900, 59001D (2005) https://doi.org/10.1117/12.615316
KEYWORDS: Chemical elements, Telescopes, Space telescopes, Wavefronts, Lens design, X-ray telescopes, Optical instrument design, Spectroscopy, Optical fabrication, Segmented mirrors

Proceedings Article | 12 October 2004 Paper
Proceedings Volume 5487, (2004) https://doi.org/10.1117/12.550912
KEYWORDS: Wavefront sensors, Data modeling, Diffraction, James Webb Space Telescope, Phase retrieval, Spectrographs, Mirrors, Cameras, Point spread functions, Astronomical imaging

Proceedings Article | 11 October 2004 Paper
David Content, David Colella, Theo Hadjimichael, John Lehan, Joseph McMann, Paul Reid, Timo Saha, William Zhang
Proceedings Volume 5488, (2004) https://doi.org/10.1117/12.553231
KEYWORDS: Metrology, Computer generated holography, Mirrors, Reflectors, X-ray optics, X-ray telescopes, Interferometry, Profiling, Spectroscopy, Optical alignment

Proceedings Article | 29 January 2004 Paper
Proceedings Volume 5168, (2004) https://doi.org/10.1117/12.508144
KEYWORDS: Metrology, Mirrors, Interferometry, X-ray telescopes, Collimation, X-ray optics, Optical alignment, Profiling, Optical fabrication, X-rays

Proceedings Article | 29 January 2004 Paper
Proceedings Volume 5168, (2004) https://doi.org/10.1117/12.507548
KEYWORDS: Mirrors, X-ray optics, Laser beam diagnostics, Metrology, X-rays, LabVIEW, Aluminum, Aerospace engineering, Glasses, Laser optics

Proceedings Article | 7 March 2003 Paper
Proceedings Volume 4841, (2003) https://doi.org/10.1117/12.458974
KEYWORDS: Mirrors, Telescopes, Space telescopes, Wavefronts, Infrared spectroscopy, Optical alignment, Spectroscopy, Sensors, Light scattering, Tolerancing

Proceedings Article | 18 December 2002 Paper
Theo Hadjimichael, David Content, Charles Frohlich
Proceedings Volume 4849, (2002) https://doi.org/10.1117/12.476892
KEYWORDS: Mirrors, Aluminum, Foam, Relays, Polishing, Optical spheres, Lightweight mirrors, Solids, Diamond turning, Wave plates

Proceedings Article | 30 January 2002 Paper
Proceedings Volume 4485, (2002) https://doi.org/10.1117/12.454276
KEYWORDS: Polarization, Metrology, Atomic force microscopy, Lithium, Diffraction gratings, Profilometers, Calibration, Reflection, Solids, Statistical modeling

Showing 5 of 33 publications
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