Mr. Scott M. Hansen Profile

Scott M. Hansen

at Space Dynamics Lab

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 1 September 2015 Paper

Thermal Earth Resource Monitoring Instrument (THERMI) size, weight and power reduction

T. Newswander, Z. Bergen, J. Hancock, S. Hansen, A. Shumway, J. Stauder, D. Williams

Proceedings Volume 9608, 96080S (2015) https://doi.org/10.1117/12.2193212

KEYWORDS: Sensors, Cryocoolers, Calibration, Staring arrays, Mirrors, Electronics, Optical design, Optical filters, Modulation transfer functions, Earth observing sensors

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Proceedings Article | 22 April 2009 Paper

MKV carrier vehicle sensor calibration

Joseph Tansock, Scott Hansen, Jason Williams, Bryan Sisko, Kajal Pancholi, Aaron Plotnik, Jon Albritton, Michael Margulis, Micah Kalscheur, Dan Welsh, Deon Dixon, Steven Brown, Katharine Ip, Karl Burk, Mark Greenman, James Peterson, Alan Bird, David Marchant, Dean Ferguson, Brent Haslem, William Shaw

Proceedings Volume 7300, 73000X (2009) https://doi.org/10.1117/12.818940

KEYWORDS: Calibration, Sensors, Black bodies, Sensor calibration, Fourier transforms, Sensor performance, Temperature metrology, Collimators, Polarization, Spectroscopy

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Proceedings Article | 26 September 2007 Paper

SOFIE instrument ground calibration update

Scott Hansen, Chad Fish, Andrew Shumway, Larry Gordley, Mark Hervig

Proceedings Volume 6678, 667810 (2007) https://doi.org/10.1117/12.736473

KEYWORDS: Calibration, Sensors, Mirrors, Fourier transforms, Optical filtering, Black bodies, Sun, Spectroscopy, Attenuators, Collimators

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Space Dynamics Laboratory (SDL), in partnership with GATS, Inc., designed and built an instrument to conduct the Solar Occultation for Ice Experiment (SOFIE). SOFIE is an infrared sensor in the NASA Aeronomy of Ice in the Mesosphere (AIM) instrument suite. AIM's mission is to study polar mesospheric clouds (PMCs). SOFIE will make measurements in 16 separate spectral bands, arranged in 8 pairs between 0.29 and 5.3 μm. Each band pair will provide differential absorption limb-path transmission profiles for an atmospheric component of interest, by observing the sun through the limb of the atmsophere during solar occulation as AIM orbits Earth. The AIM mission was launched in April, 2007. SOFIE originally completed calibration and was delivered in March 2006. The design originally included a steering mirror coaligned with the science detectors to track the sun during occultation events. During spacecraft integration, a test anomaly resulted in damage to the steering mirror mechanism, resulting in the removal of this hardware from the instrument. Subsequently, additional ground calibration experiments were performed to validate the sensor performance following the change. Measurements performed in this additional phase of calibration testing included SOFIE end-to-end relative spectral response, nonlinearity, and spatial characterization. SDL's multifunction infrared calibrator #1 (MIC1) was used to present sources to the instrument for calibration. Relative spectral response (RSR) measurements were performed using a step-scan Fourier transform spectrometer (FTS). Out-of-band RSR was measured to approximately 0.01% of in-band peak response using the cascaded filter Fourier transform spectrometer (CFFTS) method. Linearity calibration was performed using a calcium fluoride attenuator in combination with a 3000K blackbody. Spatial characterization was accomplished using a point source and the MIC1 pointing mirror. These techniques are described in detail, and resulting SOFIE performance parameters are presented and compared to original SOFIE calibration results.

Proceedings Article | 7 September 2006 Paper

SOFIE instrument model and performance comparison

Scott Hansen, Andrew Shumway, Chad Fish, Jim Peterson, Peter Mace, James Cook, Joel Nelsen, Dale Hooper, Quinn Young, Steve Wassom, John Kemp, Larry Gordley, Mark Hervig

Proceedings Volume 6297, 62970P (2006) https://doi.org/10.1117/12.692859

KEYWORDS: Sensors, Sun, Calibration, Black bodies, Lamps, Mercury cadmium telluride, Mirrors, Instrument modeling, Carbon monoxide, Particles

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Proceedings Article | 7 September 2006 Paper

SOFIE instrument ground calibration

Scott Hansen, Chad Fish, Devin Romrell, Larry Gordley, Mark Hervig

Proceedings Volume 6297, 62970J (2006) https://doi.org/10.1117/12.681164

KEYWORDS: Calibration, Sensors, Fourier transforms, Sun, Mirrors, Black bodies, Carbon dioxide, Spectroscopy, Attenuators, Collimators

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Proceedings Article | 7 September 2006 Paper

SOFIE instrument overview

Andrew Shumway, Chad Fish, Jim Peterson, Peter Mace, James Cook, Joel Nelsen, Dale Hooper, Quinn Young, Steve Wassom, Scott Hansen, John Kemp, Larry Gordley, Mark Hervig

Proceedings Volume 6297, 62970H (2006) https://doi.org/10.1117/12.681260

KEYWORDS: Sensors, Sun, Electronics, Mirrors, Calibration, Telescopes, Clouds, Space telescopes, Signal to noise ratio, Signal detection

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Proceedings Article | 18 November 1998 Paper

Resampling algorithm for the Spatial Infrared Imaging Telescope (SPIRIT III) Fourier transform spectrometer

Steven Sargent, Mark Greenman, Scott Hansen

Proceedings Volume 3437, (1998) https://doi.org/10.1117/12.331303

KEYWORDS: Spectroscopy, Sensors, Spectral resolution, Data conversion, Space telescopes, Infrared spectroscopy, Mirrors, Velocity measurements, Fourier transforms, Data backup

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SPIE Journal Paper | 1 November 1997

Spectral line position calibration for the SPIRIT III Fourier transform spectrometer

Scott Hansen

OE, Vol. 36, Issue 11, (November 1997) https://doi.org/10.1117/12.10.1117/1.601540

KEYWORDS: Sensors, Spectroscopy, Calibration, Space telescopes, Spectral calibration, Mirrors, Databases, Data modeling, Fourier transforms, Laser optics

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