Dr. John Macdonald Profile

Dr. John Macdonald

at Univ of Reading

SPIE Involvement:

Author

Publications (6)

Proceedings Article | 24 August 2009 Paper

Optimization of optics with micro diffractive optical element via a hybrid Taguchi genetic algorithm

Tung-Kuan Liu, Yi-Chin Fang, Bo-Wen Wu, John MacDonald, Jyh-Horng Chou, Cheng-Mu Tsai, Han-Ching Lin, Wei Teng Lin

Proceedings Volume 7429, 74290F (2009) https://doi.org/10.1117/12.825449

KEYWORDS: Diffractive optical elements, Chromatic aberrations, Glasses, Genetic algorithms, Optical design, Optimization (mathematics), Diffraction, Lens design, Refractive index, Refraction

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Proceedings Article | 10 February 2005 Paper

Distance-learning postgraduate education in optics and optical design

John Macdonald

Proceedings Volume 5638, (2005) https://doi.org/10.1117/12.580320

KEYWORDS: Mirrors, Optical design, LabVIEW, Monochromatic aberrations, Modulation transfer functions, OSLO, Physics, Diffraction, Control systems, Optics education

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SPIE Journal Paper | 1 July 1996

Ray tracing and wave aberration calculation for diffractive optical elements

Yongtian Wang, Sijiong Zhang, John Macdonald

OE, Vol. 35, Issue 07, (July 1996) https://doi.org/10.1117/12.10.1117/1.600780

KEYWORDS: Ray tracing, Holography, Diffractive optical elements, Wavefronts, Holograms, Aspheric lenses, Diffraction, Optical components, Geometrical optics, Optical engineering

Proceedings Article | 2 September 1993 Paper

Optimization of a lens design using a neural network

John Macdonald, Amanda Breese, Nigel Hanbury

Proceedings Volume 1965, (1993) https://doi.org/10.1117/12.152573

KEYWORDS: Glasses, Neurons, Neural networks, Optimization (mathematics), Artificial neural networks, Chromatic aberrations, Zoom lenses, Lens design, Optical design, Chemical elements

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Proceedings Article | 31 August 1993 Paper

Measurement of the MTF and MRTD for focal plane arrays

Alan Lettington, Qi Hong, John Macdonald, A. Marshall, Kevin Murphy, Paul Donohue

Proceedings Volume 1969, (1993) https://doi.org/10.1117/12.154716

KEYWORDS: Modulation transfer functions, Minimum resolvable temperature difference, Staring arrays, Imaging systems, Signal to noise ratio, Sensors, Spatial frequencies, Detector arrays, Infrared imaging, Fourier transforms

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Proceedings Article | 1 August 1990 Paper

Implementation of the Hopfield model with excitatory and inhibitory synapses and static thresholding

Amanda Breese, John Macdonald

Proceedings Volume 1294, (1990) https://doi.org/10.1117/12.21191

KEYWORDS: Neurons, Neural networks, Photodiodes, Brain, Artificial neural networks, Polarizers, Binary data, Electronic circuits, Mirrors, Polarization

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Showing 5 of 6 publications

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