Prof. David John Webb Profile

Prof. David John Webb

Professor of Photonics at Aston University

SPIE Involvement:

Conference Program Committee | Author | Student Chapter Advisor

Publications (144)

Proceedings Article | 17 May 2022 Presentation + Paper

Fibre Bragg gratings: monitoring of infusion process in liquid composite molding manufacturing

Thomas Allsop, Mohammad Tahir, Kaushal Bhavsar, Lin Zhang, David Webb, Jim Gilbert

Proceedings Volume 12139, 1213913 (2022) https://doi.org/10.1117/12.2621757

KEYWORDS: Sensors, Fiber Bragg gratings, Liquids, Composites, Manufacturing, Optical fibers, Velocity measurements, Glasses

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Proceedings Article | 18 April 2021 Presentation + Paper

Ultra-compact acousto-optic modulator of a fibre Bragg grating in a highly birefringent suspended core fibre

Ricardo da Silva, Egor Manuylovich, Namita Sahoo, Martin Becker, Manfred Rothhardt, Hartmut Bartelt, David Webb

Proceedings Volume 11773, 117730U (2021) https://doi.org/10.1117/12.2592228

KEYWORDS: Fiber Bragg gratings, Modulation, Ferroelectric materials, Acousto-optics, Modulators, Bragg cells, Silica, Acoustics, Single mode fibers, Pulsed laser operation

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Proceedings Article | 1 April 2020 Presentation + Paper

High frequency in-core acousto-optic modulation of a suspended core optical fibre

Ricardo Silva, David Webb

Proceedings Volume 11355, 113550G (2020) https://doi.org/10.1117/12.2556801

KEYWORDS: Acoustics, Single mode fibers, Silica, Modulation, Acousto-optics, Optical fibers, Fiber Bragg gratings, Finite element methods, Specialty optical fibers

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Proceedings Article | 28 August 2019 Paper

Ground-water monitoring using polymer optical fibre Bragg gratings

M. Mehravar, H. Yang, Wei Zhang, D. Webb

Proceedings Volume 11199, 111991M (2019) https://doi.org/10.1117/12.2541326

KEYWORDS: Sensors, Optical fibers, Water, Soil science, Polymers, Bragg gratings, Humidity, Polymer optical fibers, Temperature metrology, Fiber Bragg gratings

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Proceedings Article | 28 August 2019 Paper

Utilising thermal annealing for multiplexing and sensitivity enhancement of polymer optical fibre sensors

A. Pospori, C. A. Marques, G. Sagias, H. Lamela-Rivera, D. Sáez-Rodríguezd, K. Nielsen, O. Bang, D. Webb

Proceedings Volume 11199, 111993E (2019) https://doi.org/10.1117/12.2541767

KEYWORDS: Annealing, Sensors, Polymers, Polymer optical fibers, Multiplexing, Optical fibers, Bragg gratings, Polymeric sensors, Humidity, Polymethylmethacrylate

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Proceedings Article | 22 August 2017 Paper

Wavelength tuning of polymer optical fibre Bragg grating at longer wavelengths permanently

Georgios Sagias, Andreas Pospori, Daniel Gallego, David Webb, Horacio Lamela Rivera

Proceedings Volume 10453, 1045333 (2017) https://doi.org/10.1117/12.2276375

KEYWORDS: Annealing, Polymers, Optical fibers, Fiber Bragg gratings, Wavelength tuning, Humidity, Phase only filters, Multiplexing, Molecules

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Proceedings Article | 16 May 2017 Paper

Chirped polymer optical fiber Bragg grating sensors

Carlos Marques, L. Pereira, P. Antunes, P. Mergo, D. Webb, J. Pinto, P. André

Proceedings Volume 10232, 102320N (2017) https://doi.org/10.1117/12.2264902

KEYWORDS: Polymer optical fibers, Fiber Bragg gratings, Sensors, Phase only filters, Polymethylmethacrylate, Polymers, Optical fibers, Ultraviolet radiation, Excimer lasers, Silica, Structural health monitoring

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Proceedings Article | 16 May 2017 Presentation + Paper

Impact of thermal pre-treatment on preforms for fast Bragg gratings inscription using undoped PMMA POFs

Carlos Marques, Andreas Pospori, Pawel Mergo, Paulo André, David Webb

Proceedings Volume 10232, 102320A (2017) https://doi.org/10.1117/12.2264229

KEYWORDS: Ultraviolet radiation, Pulsed laser operation, Humidity, Helium cadmium lasers, Laser systems engineering, Fiber Bragg gratings, Polymer optical fibers, Annealing, Sensors, Polymethylmethacrylate, Optical components, Materials processing, Optical fabrication

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Proceedings Article | 30 May 2016 Paper

Sensitivity enhancement using annealed polymer optical-fibre-based sensors for pressure sensing applications

A. Pospori, C. Marques, D. Sáez-Rodríguez, K. Nielsen, O. Bang, D. Webb

Proceedings Volume 9916, 99160E (2016) https://doi.org/10.1117/12.2236877

KEYWORDS: Polymeric sensors, Polymers, Sensors, Annealing, Fiber Bragg gratings, Mechanical sensors, Multiplexing, Optical fibers, Liquids, Humidity, Polymethylmethacrylate

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