Dr. Brett E. Bagwell Profile

Dr. Brett E. Bagwell

Optical Engineer at Sandia National Labs

SPIE Involvement:

Author

Publications (11)

SPIE Journal Paper | 2 December 2014

Adaptive polymer lens for rapid zoom shortwave infrared imaging applications

Freddie Santiago, Brett Bagwell, Victor Pinon, Sanjay Krishna

OE, Vol. 53, Issue 12, 125101, (December 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.12.125101

KEYWORDS: Short wave infrared radiation, Zoom lenses, Polymers, Infrared imaging, Shortwaves, Fiber optic illuminators, Infrared radiation, Imaging systems, Adaptive optics, Sensors

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Proceedings Article | 7 March 2014 Paper

First light with a carbon fiber reinforced polymer 0.4 meter telescope

Christopher Wilcox, Freddie Santiago, Matthew Jungwirth, Ty Martinez, Sergio Restaino, Brett Bagwell, Robert Romeo

Proceedings Volume 8978, 897805 (2014) https://doi.org/10.1117/12.2042105

KEYWORDS: Telescopes, Adaptive optics, Mirrors, Prototyping, Optics manufacturing, Interferometers, Carbon, Fiber reinforced polymers, Imaging systems, Glasses

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SPIE Journal Paper | 27 February 2012

Iris imaging system with adaptive optical elements

Junoh Choi, Kevin Dixon, David Wick, Brett Bagwell, Grant Soehnel, Brian Clark

JEI, Vol. 21, Issue 1, 013004, (February 2012) https://doi.org/10.1117/12.10.1117/1.JEI.21.1.013004

KEYWORDS: Iris recognition, Imaging systems, Optical components, Image quality, Mirrors, Eye, Image resolution, Detection and tracking algorithms, Optical design, Image quality standards

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Proceedings Article | 13 May 2011 Paper

Actuation for deformable thin-shelled composite mirrors

Christopher Wilcox, David Wick, Grant Soehnel, Brett Bagwell, Robert Romeo, Robert Martin, Michael Baker, Nicole Breivik, Brad Boyce, Ty Martinez, Sergio Restaino

Proceedings Volume 8031, 80310N (2011) https://doi.org/10.1117/12.885542

KEYWORDS: Mirrors, Deformable mirrors, Zoom lenses, Prototyping, Space telescopes, Telescopes, Adaptive optics, Composites, Interferometers, Glasses

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Proceedings Article | 5 May 2009 Paper

Optical requirements with turbulence correction for long-range biometrics

Junoh Choi, Grant Soehnel, Brett Bagwell, Kevin Dixon, David Wick

Proceedings Volume 7306, 730622 (2009) https://doi.org/10.1117/12.828558

KEYWORDS: Iris recognition, Iris, Turbulence, Imaging systems, Diffraction, Point spread functions, Wavefronts, Image quality, Image resolution, Atmospheric propagation

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Proceedings Article | 8 February 2008 Paper

Performance of a MEMS reflective wavefront sensor

Jonathan Andrews, Scott Teare, Sergio Restaino, Ty Martinez, Christopher Wilcox, David Wick, William Cowan, Olga Spahn, Brett Bagwell

Proceedings Volume 6888, 68880C (2008) https://doi.org/10.1117/12.763866

KEYWORDS: Mirrors, Wavefront sensors, Actuators, Microelectromechanical systems, Reflectivity, Image segmentation, Adaptive optics, Deformable mirrors, Cameras, Telescopes

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Proceedings Article | 14 February 2007 Paper

Active zoom imaging for operationally responsive space

Brett Bagwell, David Wick, William Cowan, Olga Blum Spahn, William Sweatt, Ty Martinez, Sergio Restaino, Jonathan Andrews, Christopher Wilcox, Don Payne, Robert Romeo

Proceedings Volume 6467, 64670D (2007) https://doi.org/10.1117/12.706820

KEYWORDS: Mirrors, Active optics, Zoom lenses, Microelectromechanical systems, Imaging systems, Micromirrors, Actuators, Telescopes, Wavefronts, Space operations

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Proceedings Article | 7 September 2006 Paper

Active optical zoom for space-based imaging

David Wick, Brett Bagwell, William Sweatt, Gary Peterson, Ty Martinez, Sergio Restaino, Jonathan Andrews, Christopher Wilcox, Don Payne, Robert Romeo

Proceedings Volume 6307, 63070A (2006) https://doi.org/10.1117/12.696346

KEYWORDS: Mirrors, Zoom lenses, Active optics, Disk lasers, Imaging systems, Optical components, Telescopes, Sensors, Adaptive optics, Space telescopes

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Proceedings Article | 5 September 2006 Paper

Liquid crystal based active optics

Brett Bagwell, David Wick, Robert Batchko, Justin Mansell, Ty Martinez, Sergio Restaino, Don Payne, Jamie Harriman, Steve Serati, Gary Sharp, Jim Schwiegerling

Proceedings Volume 6289, 628908 (2006) https://doi.org/10.1117/12.694891

KEYWORDS: Liquid crystals, Lenses, Active optics, Imaging systems, Spatial light modulators, Electrodes, Wavefronts, Molecules, Bandpass filters, Electronics

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Proceedings Article | 23 February 2006 Paper

Transmissive spatial light modulators with high figure-of-merit liquid crystals for foveated imaging applications

Jamie Harriman, Sebastian Gauza, Shin-Tson Wu, David Wick, Brett Bagwell, Ty Martinez, Don Payne, Steven Serati

Proceedings Volume 6135, 61350C (2006) https://doi.org/10.1117/12.663470

KEYWORDS: Spatial light modulators, Liquid crystals, Imaging systems, Birefringence, Modulators, Modulation, Phase shift keying, Fluorine, Diffraction, Reflectivity

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Proceedings Article | 17 January 2003 Paper

High-speed gray-scale laser direct-write technology for micro-optic fabrication

John Tamkin, Brett Bagwell, Bradley Kimbrough, Ghassan Jabbour, Michael Descour

Proceedings Volume 4984, (2003) https://doi.org/10.1117/12.472908

KEYWORDS: Raster graphics, Laser applications, Binary data, Micro optics, Imaging systems, Ultraviolet radiation, Mirrors, Relays, Surgery, Optics manufacturing

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Showing 5 of 11 publications

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