Dr. George Alexander Simpson Profile

Dr. George Alexander Simpson

at Aston Univ

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Author

Publications (8)

Proceedings Article | 24 May 2006 Paper

Spectral modification of type IA fibre Bragg gratings by high power near infra-red lasers

Kyriacos Kalli, A. George Simpson, Kaimin Zhou, Lin Zhang, David Birkin, Tim Ellingham, Ian Bennion

Proceedings Volume 6193, 61930Y (2006) https://doi.org/10.1117/12.662315

KEYWORDS: Absorption, Raman spectroscopy, Ultraviolet radiation, High power lasers, Optical fibers, Fiber Bragg gratings, Optical networks, Laser sources, Fiber lasers, Optical filters

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Proceedings Article | 23 May 2006 Paper

Annealing and temperature coefficient study of type IA fibre Bragg gratings inscribed under strain and no strain: implications to optical fibre component reliability

Kyriacos Kalli, George Simpson, Helen Dobb, Michael Komodromos, David Webb, Ian Bennion

Proceedings Volume 6193, 61930L (2006) https://doi.org/10.1117/12.662318

KEYWORDS: Annealing, Fiber Bragg gratings, Modulation, Manufacturing, Reliability, Ultraviolet radiation, Optical fibers, Hydrogen, Temperature metrology, Reflectivity

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Proceedings Article | 22 April 2006 Paper

The impact of hydrogenation conditions on the temperature and strain discrimination of type I and type IA Bragg grating sensors

Kyriacos Kalli, A. George Simpson, Kaimin Zhou, Lin Zhang, Ian Bennion

Proceedings Volume 6189, 61891T (2006) https://doi.org/10.1117/12.662311

KEYWORDS: Sensors, Hydrogen, Condition numbers, Fiber Bragg gratings, Optical fibers, Annealing, Molecules, Temperature metrology, Ultraviolet radiation, Germanium

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Proceedings Article | 23 May 2005 Paper

Wavelength tuning, chirping, and thermally induced decay of type IA FBGs using purely optical methods

K. Kalli, George Simpson, Kaiming Zhou, Lin Zhang, David Birkin, Tim Ellingham, Ian Bennion

Proceedings Volume 5855, (2005) https://doi.org/10.1117/12.624289

KEYWORDS: Absorption, Raman spectroscopy, Wavelength tuning, Fiber Bragg gratings, Optical fibers, Ultraviolet radiation, Thermography, Tunable lasers, Optical filters, Sensors

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Proceedings Article | 23 May 2005 Paper

Impact of hydrogenation conditions on the temperature and strain coefficients of type 1 and type 1a dual grating sensors

K. Kalli, George Simpson, Kaiming Zhou, Lin Zhang, Ian Bennion

Proceedings Volume 5855, (2005) https://doi.org/10.1117/12.624287

KEYWORDS: Sensors, Hydrogen, Condition numbers, Optical fibers, Fiber Bragg gratings, Annealing, Ultraviolet radiation, Temperature metrology, Absorption, Photonics

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Proceedings Article | 1 September 2004 Paper

Temperature-referenced high-sensitivity point-probe optical fiber chem-sensors based on cladding etched fiber Bragg gratings

Kaiming Zhou, Xianfeng Chen, George Simpson, Donghui Zhao, Lin Zhang, Ian Bennion

Proceedings Volume 5459, (2004) https://doi.org/10.1117/12.545708

KEYWORDS: Fiber Bragg gratings, Sensors, Cladding, Etching, Optical fibers, Refractive index, Temperature metrology, Environmental monitoring, Telecommunications, Optical sensing

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Proceedings Article | 1 September 2004 Paper

Type 1A fibre Bragg grating photosensitivity and the development of optimum temperature invariant type I-type IA strain sensors

A. George Simpson, Kyriacos Kalli, Lin Zhang, Kaiming Zhou, Ian Bennion

Proceedings Volume 5459, (2004) https://doi.org/10.1117/12.545299

KEYWORDS: Sensors, Fiber Bragg gratings, Annealing, Ultraviolet radiation, Temperature metrology, Absorption, Germanium, Holography, Optical design, Refractive index

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Proceedings Article | 8 March 2004 Paper

Polarization-independent high-resolution spectral interrogation of FBGs using a BFBG-CCD array for optical sensing applications

Alexander Simpson, Kaiming Zhou, Peter Foote, Lin Zhang, Ian Bennion

Proceedings Volume 5272, (2004) https://doi.org/10.1117/12.516089

KEYWORDS: Fiber Bragg gratings, Sensors, Optical arrays, Optical sensing, Optical fibers, Structural health monitoring, Aerospace engineering, Civil engineering, Heart, Optoelectronics

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Showing 5 of 8 publications

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