Benjamin W. Frazier
SPIE Involvement:
Author
Area of Expertise:
Adaptive Optics , Beam Control , Optical Detectors , ISR Systems , Wavefront Sensing , High Energy Lasers
Profile Summary

Ben Frazier is a member of the Senior Professional Staff at the Johns Hopkins University Applied Physics Laboratory and Section Supervisor of the Sensor Development and Applications Section in the ISR and Sensors Group. He completed his BSEE and MSEE degrees from the University of North Carolina at Charlotte, emphasizing Adaptive Optics, and his PhD at the University of Maryland, researching electromagnetic propagation in chaotic environments. In the early part of his career, Ben specialized in wavefront control for high energy lasers, with experience on the Airborne Laser as well as numerous solid state laser systems. Since joining APL, he has been responsible for modeling, simulation, and analysis of various sensing and propagation applications across the optical and RF domains.
Publications (5)

SPIE Press Book | 13 April 2012
KEYWORDS: Adaptive optics, Actuators, Neodymium, Wavefronts, Deformable mirrors, Wavefront sensors, Sensors, Mirrors, Atmospheric modeling, Control systems, Laser guide stars

SPIE Journal Paper | 1 December 2004
OE, Vol. 43, Issue 12, (December 2004) https://doi.org/10.1117/12.10.1117/1.1814768
KEYWORDS: Control systems, Adaptive optics, Actuators, Deformable mirrors, Wavefront sensors, Wavefronts, Cameras, Mirrors, Optical engineering, Detection theory

Proceedings Article | 24 December 2003 Paper
Benjamin Frazier, Jeff Cavaco, Mark Smith, Zaffir Chaudhry
Proceedings Volume 5169, (2003) https://doi.org/10.1117/12.506205
KEYWORDS: Deformable mirrors, Wavefronts, Mirrors, Adaptive optics, Actuators, Spatial frequencies, Polishing, Relays, Optical coatings, Cryogenics

Proceedings Article | 24 December 2003 Paper
Benjamin Frazier, Robert Tyson, Jacqueline Ackman, Mark Smith
Proceedings Volume 5169, (2003) https://doi.org/10.1117/12.506236
KEYWORDS: Control systems, Deformable mirrors, Adaptive optics, Wavefront sensors, Actuators, Optical spheres, Wavefronts, Calibration, Vector spaces, Signal attenuation

Proceedings Article | 6 November 2002 Paper
Proceedings Volume 4825, (2002) https://doi.org/10.1117/12.450471
KEYWORDS: Control systems, Adaptive optics, Filtering (signal processing), Wavefront sensors, Error analysis, Wavefronts, Mirrors, Deformable mirrors, Electronic filtering, Actuators

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