Ms. Helen Lindsay Dobb Profile

Helen Lindsay Dobb

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Author

Publications (11)

Proceedings Article | 4 May 2007 Paper

Numerical modeling of sensors based on long period gratings in photonic crystal fibres

Jovana Petrovic, Helen Dobb, Vladimir Mezentsev, Kyriacos Kalli, David Webb, Ian Bennion

Proceedings Volume 6588, 65880F (2007) https://doi.org/10.1117/12.722598

KEYWORDS: Refractive index, Electronic support measures, Cladding, Photonic crystal fibers, Signal attenuation, Silica, Numerical analysis, Numerical modeling, Sensors, Photonic crystals

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Proceedings Article | 24 May 2006 Paper

A comparison of the spectral properties of high temperature annealed long period gratings inscribed by fs laser, UV, and fusion-arc

T. Allsop, M. Dubov, H. Dobb, A. Main, A. Martinez, K. Kalli, D. Webb, I. Bennion

Proceedings Volume 6193, 61930M (2006) https://doi.org/10.1117/12.663000

KEYWORDS: Temperature metrology, Femtosecond phenomena, Ultraviolet radiation, Annealing, Polarization, Signal attenuation, Birefringence, Fiber Bragg gratings, Cladding, Refractive index

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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 | 23 May 2006 Paper

Reliability of fibre Bragg gratings in polymer optical fibre

H. Dobb, K. Carroll, D. Webb, K. Kalli, M. Komodromos, C. Themistos, G. Peng, A. Argyros, M. C. J. Large, M. van Eijkelenborg, M. Arresy, S. Kukureka

Proceedings Volume 6193, 61930Q (2006) https://doi.org/10.1117/12.662313

KEYWORDS: Fiber Bragg gratings, Phase only filters, Polymers, Optical fibers, Polymethylmethacrylate, Silica, Reliability, Annealing, Temperature metrology, Polishing

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Proceedings Article | 19 April 2006 Paper

Grating based devices in polymer optical fibre

H. Dobb, K. Carroll, D. Webb, K. Kalli, M. Komodromos, C. Themistos, G. Peng, A. Argyros, M. Large, M. van Eijkelenborg, Q. Fang, I. Boyd

Proceedings Volume 6189, 618901 (2006) https://doi.org/10.1117/12.662306

KEYWORDS: Fiber Bragg gratings, Phase only filters, Polymers, Silica, Optical fibers, Polymethylmethacrylate, Sensors, Optical filters, Fabry–Perot interferometers, Temperature metrology

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Proceedings Article | 15 February 2006 Paper

Enhanced spectral sensitivity of fibre long-period gratings to refractive index of aqueous solutions utilising copper patterned coatings

T. Allsop, H. Dobb, R. Neal, K. Kalli, C. Themistos, B.M.A. Rahman, D. Webb, D. Mapps, I. Bennion

Proceedings Volume 6083, 60830S (2006) https://doi.org/10.1117/12.647515

KEYWORDS: Copper, Cladding, Refractive index, Signal attenuation, Waveguides, Fiber coatings, Metals, Finite element methods, Modeling, Control systems

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Proceedings Article | 23 May 2005 Paper

Long-period gratings fabricated in photonic crystal fibre

H. Dobb, J. Petrovic, V. Mezentsev, D. Webb, K. Kalli

Proceedings Volume 5855, (2005) https://doi.org/10.1117/12.623439

KEYWORDS: Signal attenuation, Cladding, Refractive index, Silica, Photonic crystal fibers, Modeling, Optical fibers, Sensors, Dispersion, Phase matching

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Proceedings Article | 14 December 2004 Paper

The spectral sensitivity of long-period gratings fabricated in elliptical core D-shaped optical fiber

Thomas Allsop, Tim Earthrowl, Helen Dobb, Vladimir Mezentsev, Andrew Gillooly, David Webb, Ian Bennion

Proceedings Volume 5589, (2004) https://doi.org/10.1117/12.569312

KEYWORDS: Polarization, Signal attenuation, Optical fibers, Sensors, Refractive index, Temperature metrology, Cladding, Modeling, Birefringence, Fiber optics sensors

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Proceedings Article | 16 November 2004 Paper

Temperature insensitive long-period grating sensors in photonic crystal fiber

Helen Dobb, Kyriacos Kalli, David Webb

Proceedings Volume 5579, (2004) https://doi.org/10.1117/12.567395

KEYWORDS: Signal attenuation, Fiber Bragg gratings, Refractive index, Photonic crystal fibers, Cladding, Silica, Sensors, Electronic support measures, Fabrication, Diffraction gratings

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Proceedings Article | 1 September 2004 Paper

Gratings in novel fibre geometry for applications in shape sensing

Helen Dobb, Thomas Allsop, David Webb, Kyriacos Kalli

Proceedings Volume 5459, (2004) https://doi.org/10.1117/12.545070

KEYWORDS: Signal attenuation, Cladding, Refractive index, Neodymium, Optical fibers, Data modeling, Sensors, Fiber characterization, Structured optical fibers, Single mode fibers

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Proceedings Article | 9 June 2004 Paper

Sensing applications of long-period gratings in various fibre types

David Webb, Thomas Allsop, Helen Dobb, Kyriacos Kalli, T. Earthrowl, V. Mezentsev, A. Gillooly, R. Neal, Ian Bennion

Proceedings Volume 5502, (2004) https://doi.org/10.1117/12.566521

KEYWORDS: Sensors, Cladding, Fiber Bragg gratings, Signal attenuation, Structured optical fibers, Refractive index, Absorption, Photonic crystal fibers, Abdomen, Medical research

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Showing 5 of 11 publications

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