Dr. John A. Main Profile

Dr. John A. Main

at Defense Advanced Research Projects Agency

SPIE Involvement:

Author

Proceedings Article | 14 August 2003 Paper

Actively controlled thin-shell space optics

Keith Denoyer, Eric Flint, John Main, Jason Lindler

Proceedings Volume 5054, (2003) https://doi.org/10.1117/12.483884

KEYWORDS: Mirrors, Wavefronts, Control systems, Structural dynamics, Thin films, Reflectors, Astronomical imaging, Actuators, Manufacturing, Finite element methods

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Proceedings Article | 16 August 2001 Paper

Survey of piezoelectric material strain response to electron gun excitation

Philip Hadinata, John Main

Proceedings Volume 4327, (2001) https://doi.org/10.1117/12.436545

KEYWORDS: Electrodes, Ferroelectric materials, Amplifiers, Electron beams, Ceramics, Monte Carlo methods, Dielectrics, Data acquisition, Particles, Electron transport

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Proceedings Article | 7 July 2000 Paper

Wavefront conjugation using electron-gun-controlled piezoelectric materials

George Nelson, John Main, Jeffrey Martin

Proceedings Volume 4007, (2000) https://doi.org/10.1117/12.390344

KEYWORDS: Electrodes, Actuators, Ferroelectric materials, Wavefronts, Electron beams, Spatial resolution, Lead, Control systems, Adaptive optics, Ceramics

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Proceedings Article | 22 June 2000 Paper

Time response of electron gun strain control of piezoelectric materials

Philip Hadinata, John Main

Proceedings Volume 3985, (2000) https://doi.org/10.1117/12.388839

KEYWORDS: Electrodes, Electron beams, Raster graphics, Floods, Data acquisition, Dielectrics, Mechanical engineering, Spatial resolution, Adaptive control

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Proceedings Article | 27 July 1998 Paper

Electron gun control of smart materials

John Main, George Nelson, Jeffrey Martin

Proceedings Volume 3329, (1998) https://doi.org/10.1117/12.316942

KEYWORDS: Electrodes, Electron beams, Smart materials, Dielectrics, Spatial resolution, Ferroelectric materials, Semiconducting wafers, Control systems, Amplifiers, Beam controllers

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Proceedings Article | 6 June 1997 Paper

Charge-recovery power amplifier for piezoelectric applications

John Main

Proceedings Volume 3041, (1997) https://doi.org/10.1117/12.275698

KEYWORDS: Actuators, Amplifiers, Capacitors, Switching, Power supplies, Electromechanical design, Switches, Capacitance, Solid state physics, Relays

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Proceedings Article | 1 May 1996 Paper

Piezoelectric actuation systems: optimization of driving electronics

David Newton, John Main, Ephrahim Garcia, Lloyd Massengill

Proceedings Volume 2717, (1996) https://doi.org/10.1117/12.239029

KEYWORDS: Actuators, Amplifiers, Capacitors, Electronics, Optical amplifiers, Switching, Control systems, Capacitance, Switches, Field effect transistors

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Proceedings Article | 22 May 1995 Paper

Precision position-control of piezoelectric actuators using charge feedback

John Main, Ephrahim Garcia, David Newton

Proceedings Volume 2441, (1995) https://doi.org/10.1117/12.209814

KEYWORDS: Actuators, Dielectrics, Electrodes, Semiconducting wafers, Dielectric polarization, Control systems, Amplifiers, Optical amplifiers, Electronics, Motion controllers

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Showing 5 of 8 publications

Conference Committee Involvement (11)

Active and Passive Smart Structures and Integrated Systems II

10 March 2008 | San Diego, California, United States

Active and Passive Smart Structures and Integrated Systems

19 March 2007 | San Diego, California, United States

Industrial and Commercial Applications of Smart Structures Technologies

19 March 2007 | San Diego, California, United States

Smart Structures and Integrated Systems

27 February 2006 | San Diego, California, United States

Industrial and Commercial Applications of Smart Structures Technologies

27 February 2006 | San Diego, California, United States

Showing 5 of 11 Conference Committees

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