Prof. John P. Powers Profile

Prof. John P. Powers

Professor Emeritus

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Author

Publications (4)

Proceedings Article | 25 February 2008 Paper

An actively mode-locked fiber laser for sampling in a wide-bandwidth opto-electronic analog-to-digital converter

John Powers, Phillip Pace

Proceedings Volume 6873, 687322 (2008) https://doi.org/10.1117/12.774972

KEYWORDS: Fiber lasers, Spectrum analysis, Mode locking, Optoelectronics, Pulsed laser operation, Picosecond phenomena, Resonators, Laser resonators, Semiconductor lasers, Polarization

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SPIE Journal Paper | 1 June 2000

Fiber-lattice accumulator design considerations for optical sigma delta analog-to-digital converters

Phillip Pace, S. Bewley, John Powers

OE, Vol. 39, Issue 06, (June 2000) https://doi.org/10.1117/12.10.1117/1.602524

KEYWORDS: Antennas, Signal to noise ratio, Modulators, Pulsed laser operation, Integrated optics, Optical amplifiers, Interference (communication), Waveguides, Optical filters, Signal detection

SPIE Journal Paper | 1 July 1996

Integrated optical sigma-delta modulators

Phillip Pace, Stephen Ying, John Powers, Ronald Pieper

OE, Vol. 35, Issue 07, (July 1996) https://doi.org/10.1117/12.10.1117/1.600613

KEYWORDS: Integrated optics, Modulators, Quantization, Modulation, Interference (communication), Structured optical fibers, Interferometers, Feedback loops, Signal processing, Digital filtering

Proceedings Article | 1 May 1992 Paper

Automatic particle sizing from rocket motor holograms

John Powers, David Netzer

Proceedings Volume 1667, (1992) https://doi.org/10.1117/12.59628

KEYWORDS: Speckle, Holograms, Particles, Image filtering, Image resolution, Image processing, Nonlinear filtering, Holography, Rockets, Combustion

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