Browsing by Author "Staines, Stephen E."

Browsing by Author "Staines, Stephen E."

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  • Correia, Ricardo N.; Li, Jin; Staines, Stephen E.; Chehura, Edmon; James, Stephen W.; Tatam, Ralph P.; Kutner, Joel; Dewhurst, Paul; Ferreira, Pedro (International Society for Optical Engineering; 1999, 2009-12-31)
    An effective-soil-pressure sensor for geotechnical applications based on Fibre Bragg Gratings is presented. The sensor simultaneous measures total soil pressure and pore pressure, allowing the calculation of the effective ...
  • Li, Jin; Correia, Ricardo N.; Chehura, Edmon; Staines, Stephen E.; James, Stephen W.; Tatam, Ralph P. (International Society for Optical Engineering; 1999, 2010-12-31)
    The measurement of ground movement is an essential part of many geotechnical engineering operations. For decades, inclinometer systems have traditionally been used for this purpose to provide crucial information to ...
  • Mullaney, Kevin; Goncalves Correia, Ricardo; Staines, Stephen E.; James, Stephen W.; Tatam, Ralph P. (OSA Publishing, 2015-10-01)
    The use of a range of optical techniques to monitor the process of fabricating optical fiber tapers is investigated. Thermal imaging was used to optimize the alignment of the optical system; the transmission spectrum of ...
  • Chehura, Edmon; Dell'Anno, Giuseppe; Huet, Tristan; Staines, Stephen E.; James, Stephen W.; Partridge, Ivana K.; Tatam, Ralph P. (Institute of Physics, 2014-05-20)
    Dynamic loadings induced on a tufting needle during the tufting of dry carbon fibre preform via a commercial robot-controlled tufting head were investigated in situ and in real-time using optical fibre Bragg grating (FBG) ...
  • Mullaney, Kevin; Staines, Stephen E.; James, Stephen W.; Tatam, Ralph P. (IEEE, 2017-11-03)
    The CO2 laser based fabrication of tapered long period gratings (TLPGs) is optimized so that their transmission spectra are comparable with those made using the arc-discharge technique, which typically exhibits transmission ...
  • Ye, Chen-Chun; Staines, Stephen E.; James, Stephen W.; Tatam, Ralph P. (International Society for Optical Engineering; 1999, 2002-12-31)
    Fibre Bragg gratings (FBGs) written into polarisation maintaining (PM) fibres have been employed for multi-axis strain and temperature sensing. In this paper we report the development of a FBG interrogation system that ...
  • Rees, N. D.; James, Stephen W.; Staines, Stephen E.; Tatam, Ralph P.; Ashwell, Geoffrey J. (Optical Society of America, 2001-12-01)
    The fabrication of an optical cavity at the distal end of an optical fiber has been achieved by Langmuir-Blodgett (LB) deposition of tricosanoic acid. This technique allows nanometer-scale control over the cavity length ...