Dr. Torben B. Andersen Profile

Dr. Torben B. Andersen

Optical Engineer Senior Staff

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Author

Publications (14)

Proceedings Article | 26 August 2024 Poster + Paper

Design and feasibility study of a scalable liquid mirror

Kristyn Kadala, Torben Andersen, Heejoo Choi, Ross Gregoriev, Daewook Kim, Yifan Li, Grey Tarkenton

Proceedings Volume 13100, 131007B (2024) https://doi.org/10.1117/12.3019150

KEYWORDS: Mirrors, Magnetism, Modeling, Optical surfaces, Liquids, Design, Parabolic mirrors, Fluid dynamics, Mirror surfaces, Reflection

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Proceedings Article | 9 September 2019 Presentation + Paper

Dynamic wavefront error and line-of-sight performance predictions for the 15-meter segmented Large Ultraviolet/Optical/Infrared Surveyor (LUVOIR) with non-contact vibration isolation

Larry Dewell, Alison Nordt, Ankur Chopra, Matthew Bolcar, Julie Crooke, Michael Jacoby, Kiarash Tajdaran, Torben Andersen

Proceedings Volume 11115, 111150S (2019) https://doi.org/10.1117/12.2528190

KEYWORDS: Wavefronts, Vibration isolation, Mirrors, Coronagraphy, Observatories, Image segmentation, Imaging systems, Control systems, Integrated modeling, Performance modeling

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Proceedings Article | 17 September 2018 Paper

Correction of wavefront aberrations in focal and afocal TMAs

Torben Andersen, Zachary Granger

Proceedings Volume 10745, 107450C (2018) https://doi.org/10.1117/12.2320363

KEYWORDS: Telescopes, Mirrors, Monochromatic aberrations, Collimation, Wavefront aberrations, Optics manufacturing, Spherical lenses, Wavefronts, Optical instrument design

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Proceedings Article | 23 August 2017 Presentation + Paper

Camera System MTF: combining optic with detector

Torben Andersen, Zachary Granger

Proceedings Volume 10375, 103750C (2017) https://doi.org/10.1117/12.2272832

KEYWORDS: Modulation transfer functions, Sensors, Cameras, Optical components, Imaging systems, Electro optical systems, Electro optical sensors, Aberration theory

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Proceedings Article | 27 September 2016 Presentation + Paper

One mirror beam steering: determination of steering mirror parameters from image pointing direction

Torben Andersen, Zachary Granger

Proceedings Volume 9953, 995302 (2016) https://doi.org/10.1117/12.2237072

KEYWORDS: Mirrors, Beam steering, Mathematical modeling, Ray tracing, Mirror pointing, Space telescopes, Telescopes, Ions, Kinematics, Systems modeling

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Proceedings Article | 3 September 2015 Paper

Characterization of cryo-vacuum chamber windows for NIRCam instrument alignment and testing

Paul Schweiger, Torben Andersen

Proceedings Volume 9582, 95820A (2015) https://doi.org/10.1117/12.2189099

KEYWORDS: Sapphire, Reflection, James Webb Space Telescope, Optical testing, Optical alignment, Refractive index, Space telescopes, Near infrared, Cameras, Cryogenics

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Proceedings Article | 3 September 2015 Paper

Measuring NIRCam's position and orientation in 6 DOF using one reference mirror surface inside an environmental chamber

Paul Schweiger, Torben Andersen

Proceedings Volume 9582, 958209 (2015) https://doi.org/10.1117/12.2189098

KEYWORDS: Reticles, James Webb Space Telescope, Mirrors, Cameras, Environmental sensing, Cryogenics, Near infrared, Autocollimation, Space telescopes, Optical alignment

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Proceedings Article | 29 September 2011 Paper

NIRCam coronagraphic Lyot stop: design, fabrication, and testing

Yalan Mao, Torben Andersen, Tracy Kubo, Miguel Virgen, Henry Chan, Greg Feller, Lynn Huff, Eric Smith, Gopal Vasudevan, Steve Somerstein, Tom Jamieson, Scott Horner, John Krist, Charles Beichman, Carmen Barone, Ron Schmidt, Donna Levin, Steve Seymour, Douglas Kelly, Marcia Rieke

Proceedings Volume 8150, 81500E (2011) https://doi.org/10.1117/12.896451

KEYWORDS: Coronagraphy, Point spread functions, James Webb Space Telescope, Absorbance, Optical filters, Image filtering, Ferroelectric LCDs, Staring arrays, Coating, Silicon

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Proceedings Article | 2 September 2008 Paper

Assessment of NIRCam alignment tolerances by Monte Carlo simulations

Torben Andersen, Paul Schweiger

Proceedings Volume 7068, 70680H (2008) https://doi.org/10.1117/12.793828

KEYWORDS: Monte Carlo methods, Tolerancing, Staring arrays, James Webb Space Telescope, Optical components, Optical alignment, Cameras, Content addressable memory, Systems modeling, Cryogenics

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Proceedings Article | 2 September 2008 Paper

Determination of wavefront measurement points for predicting full-field NIRCam wavefront performance

Bruce Herman, Torben Andersen, Paul Schweiger

Proceedings Volume 7068, 70680G (2008) https://doi.org/10.1117/12.793814

KEYWORDS: Wavefronts, Staring arrays, Cameras, Content addressable memory, James Webb Space Telescope, Tolerancing, Optical alignment, Imaging systems, Near infrared, Optical instrument design

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SPIE Journal Paper | 1 September 2008

Some properties of Mertz-type aspheric surfaces

Torben Andersen

OE, Vol. 47, Issue 09, 093001, (September 2008) https://doi.org/10.1117/12.10.1117/1.2978951

KEYWORDS: Aspheric lenses, Mirrors, Spherical lenses, Monochromatic aberrations, Optical engineering, Geometrical optics, Imaging systems, Differential equations, Space telescopes, Telescopes

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Proceedings Article | 18 September 2007 Paper

Some properties of Mertz type aspheric surfaces

Torben Andersen

Proceedings Volume 6667, 66670A (2007) https://doi.org/10.1117/12.734457

KEYWORDS: Mirrors, Aspheric lenses, Spherical lenses, Monochromatic aberrations, Geometrical optics, Differential equations, Imaging systems, Space telescopes, Telescopes, Ray tracing

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Proceedings Article | 26 February 2003 Paper

Diffraction hardware testbed and model validation

David Schaechter, Patrick Perkins, Paul Mammini, David Swanson, Chris Tischhauser, Robert Benson, Torben Andersen, Richard Bruner, Richard Fowler, Kevin Morimoto, Lisa Sievers

Proceedings Volume 4852, (2003) https://doi.org/10.1117/12.460697

KEYWORDS: Diffraction, Data modeling, Phase measurement, Hardware testing, Sensors, Wavefronts, Beam splitters, Heterodyning, Mathematical modeling, Stars

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Proceedings Article | 25 November 1993 Paper

Multiple-temperature lens design optimization

Torben Andersen

Proceedings Volume 2000, (1993) https://doi.org/10.1117/12.163628

KEYWORDS: Temperature metrology, Glasses, Optical design, Refractive index, Cameras, Liquids, Lens design, Analytical research, Databases, Software

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Showing 5 of 14 publications

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