Dr. Norbert Sigrist Profile

Dr. Norbert Sigrist

at Jet Propulsion Lab

SPIE Involvement:

Author

Publications (12)

Proceedings Article | 18 July 2014 Paper

Experimental validation of Advanced Dispersed Fringe Sensing (ADFS) algorithm using Advanced Wavefront Sensing and Correction Testbed (AWCT)

Xu Wang, Fang Shi, Norbert Sigrist, Byoung-Joon Seo, Hong Tang, Siddarayappa Bikkannavar, Scott Basinger, Oliver Lay

Proceedings Volume 9151, 91513N (2014) https://doi.org/10.1117/12.2056554

KEYWORDS: Free electron lasers, Calibration, Point spread functions, Algorithm development, Image segmentation, Signal processing, Wavefront sensors, Ferroelectric materials, Data analysis, Image processing

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Proceedings Article | 10 August 2010 Paper

Advanced DFS: a dispersed fringe sensing algorithm insensitive to small calibration errors

Joshua Spechler, Daniel Hoppe, Norbert Sigrist, Fang Shi, Byoung-Joon Seo, Siddarayappa Bikkannavar

Proceedings Volume 7731, 773155 (2010) https://doi.org/10.1117/12.856510

KEYWORDS: Calibration, Sensors, Monte Carlo methods, James Webb Space Telescope, Signal detection, Error analysis, Detection and tracking algorithms, Space telescopes, Wavefronts, Telescopes

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Proceedings Article | 4 August 2010 Paper

Investigation of Thirty Meter Telescope wavefront maintenance using low-order Shack-Hartmann wavefront sensors to correct for thermally-induced misalignments

Carl Nissly, Byoung-Joon Seo, Mitchell Troy, George Angeli, Myung Cho, Chris Shelton, Norbert Sigrist, Mark Sirota

Proceedings Volume 7738, 77380H (2010) https://doi.org/10.1117/12.857849

KEYWORDS: Telescopes, Wavefronts, Wavefront sensors, Device simulation, Systems modeling, Control systems, Thermal modeling, Image quality, Mirrors, Thirty Meter Telescope

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Proceedings Article | 1 October 2009 Paper

Investigation of primary mirror segment's residual errors for the Thirty Meter Telescope

Byoung-Joon Seo, Carl Nissly, George Angeli, Doug MacMynowski, Norbert Sigrist, Mitchell Troy, Eric Williams

Proceedings Volume 7427, 74270F (2009) https://doi.org/10.1117/12.828046

KEYWORDS: Actuators, Wavefronts, Mirrors, Wavefront sensors, Telescopes, Image segmentation, Systems modeling, Sensors, Surface finishing, Thirty Meter Telescope

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Proceedings Article | 12 July 2008 Paper

NIRCam Long Wavelength Channel grisms as the Dispersed Fringe Sensor for JWST segment mirror coarse phasing

Fang Shi, Brian King, Norbert Sigrist, Scott Basinger

Proceedings Volume 7010, 70102E (2008) https://doi.org/10.1117/12.789641

KEYWORDS: Image segmentation, James Webb Space Telescope, Sensors, Mirrors, Point spread functions, Image processing algorithms and systems, Image processing, Modulation, Calibration, Telescopes

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Proceedings Article | 12 July 2008 Paper

Telescope multi-field wavefront control with a Kalman filter

John Lou, David Redding, Norbert Sigrist, Scott Basigner

Proceedings Volume 7010, 701043 (2008) https://doi.org/10.1117/12.788198

KEYWORDS: Wavefronts, Telescopes, Space telescopes, Phase modulation, Error analysis, Optical alignment, Cameras, Mirrors, Control systems, Filtering (signal processing)

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Proceedings Article | 11 July 2008 Paper

Analysis of Normalized Point Source Sensitivity as a performance metric for the Thirty Meter Telescope

Byoung-Joon Seo, Carl Nissly, George Angeli, Brent Ellerbroek, Jerry Nelson, Norbert Sigrist, Mitchell Troy

Proceedings Volume 7017, 70170T (2008) https://doi.org/10.1117/12.790453

KEYWORDS: Telescopes, Optical transfer functions, Error analysis, Space telescopes, Point spread functions, Wavefronts, Systems modeling, Spatial frequencies, Computer simulations, Thirty Meter Telescope

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Proceedings Article | 9 July 2008 Paper

High-resolution optical modeling of the Thirty Meter Telescope for systematic performance trades

Carl Nissly, Byoung-Joon Seo, Mitchell Troy, George Angeli, John Angione, Ian Crossfield, Brent Ellerbroek, Luc Gilles, Norbert Sigrist

Proceedings Volume 7017, 70170U (2008) https://doi.org/10.1117/12.788596

KEYWORDS: Mirrors, Telescopes, Error analysis, Systems modeling, Device simulation, Wavefronts, Space telescopes, Adaptive optics, MATLAB, Thirty Meter Telescope

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Proceedings Article | 20 October 2005 Paper

Optical system alignment via optical state estimation using wavefront measurements

Norbert Sigrist, David Redding, John Lou, Yan Zhang, Scott Basinger

Proceedings Volume 5965, 596524 (2005) https://doi.org/10.1117/12.630886

KEYWORDS: Wavefronts, Optical testing, James Webb Space Telescope, Optical alignment, Error analysis, Space telescopes, Phase modulation, Mirrors, Telescopes, Metrology

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Proceedings Article | 24 August 2005 Paper

JWST on-orbit multi-field wavefront control with a Kalman filter

John Lou, David Redding, Norbert Sigrist, Yan Zhang, Scott Basinger

Proceedings Volume 5867, 58670T (2005) https://doi.org/10.1117/12.615383

KEYWORDS: James Webb Space Telescope, Wavefronts, Error analysis, Phase modulation, Optical alignment, Telescopes, Space telescopes, Filtering (signal processing), Monte Carlo methods, Control systems

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Proceedings Article | 14 October 2004 Paper

Optical state estimation using wavefront data

David Redding, Norbert Sigrist, John Lou, Yan Zhang, Paul Atcheson, Daniel Acton, William Hayden

Proceedings Volume 5523, (2004) https://doi.org/10.1117/12.561142

KEYWORDS: Error analysis, James Webb Space Telescope, Wavefronts, Telescopes, Phase modulation, Space telescopes, Optical testing, Interferometers, Actuators, Monte Carlo methods

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Proceedings Article | 26 February 2003 Paper

SIM internal metrology beam launcher development

Feng Zhao, Rosemary Diaz, Gary Kuan, Norbert Sigrist, Yuri Beregovski, Lawrence Ames, Kalyan Dutta

Proceedings Volume 4852, (2003) https://doi.org/10.1117/12.460940

KEYWORDS: Metrology, Interferometers, Diffraction, Mirrors, Stars, Beam splitters, Heterodyning, Collimators, Optical testing, Oscillators

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Showing 5 of 12 publications

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