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  • Fibre imaging bundles for full-field optical coherence tomography 
    Ford, Helen D.; Tatam, Ralph P. (Iop Publishing Ltd, 2007-01-01)
    An imaging fibre bundle is incorporated into a full-field imaging OCT system, with the aim of eliminating the mechanical scanning currently required at the probe tip in endoscopic systems. Each fibre within the imaging ...
  • A fibre optic angle sensing tape for applications in robotics and automation 
    Pillai, Sivaji; Charrett, Thomas O. H.; Kissinger, Thomas; James, Stephen W.; Tatam, Ralph P. (SPIE, 2023-08-15)
    A dual-fibre single-plane angle-sensing tape that utilizes optical Fibre Segment Interferometry and Range- Resolved Interferometry (RRI) for angle sensing is presented. The sensing tape facilitates the multiplexing of an ...
  • Fibre optic chemical sensing using Langmuir-Blodgett overlay waveguides 
    Flannery, D. (Cranfield University, 1998-04)
    Fibre optic chemical sensing has been demonstrated using side-polished single mode optical bre, evanescently coupled to chemically sensitive Langmuir-Blodgett overlay waveguides. The sensors exhibit a channel dropping ...
  • Fibre optic fizeau intererometer for optical coherence tomography 
    Casaubieilh, P. (Cranfield University, 2006)
    The aim of the project was to develop the Fizeau interferometer configuration to take advantage of the benefits derived from its “downlead insensitivity” to temperature and polarisation fading. This sensing interferometer ...
  • Fibre optic hydrogen sensing for long term use in explosive environments 
    Chowdhury, S. A. (Cranfield University, 2015-09)
    Hydrogen is an explosive and flammable gas with a lower explosive limit of just 4% volume in air. It is important to monitor the concentration of hydrogen in a potentially hazardous environment where hydrogen may be ...
  • Fibre optic sensing for measuring rotor blade structural dynamics. 
    Weber, Simone (Cranfield UniversitySATM, 2019-04)
    Researchers and practitioners spend much e ort in developing theoretical methods to design and predict the performance of helicopter rotor blades. These blades have evolved to become complex structures designed to operate ...
  • Fibre optic sensors with biologically active coatings for the detection of cells. 
    Rendon Romero, Antonio (Cranfield UniversitySATM, 2019-05)
    The purpose of this thesis is to develop a rapid, sensitive and selective optical sensor for Campylobacter jejuni detection as it is the most common cause of foodborne illness in humans. The optical sensor platform was ...
  • Fibre Optic Sensors with Nano-Structured Coatings. 
    James, Stephen W.; Tatam, Ralph P. (Institute of Physics, 2006-07-01)
    A review of optical fibre devices employing nano-structured coatings is presented. Active and passive coatings, deposited using the Langmuirâ  Blodgett and electro-static self-assembly techniques, have been utilised ...
  • Fibre segment interferometry for dynamic strain measurements 
    Kissinger, Thomas; Correia, Ricardo N.; Charrett, Thomas O. H.; James, Stephen W.; Tatam, Ralph P. (Institute of Electrical and Electronics Engineers, 2016-02-18)
    Using a novel range-resolved interferometric signal processing technique based on the sinusoidal optical frequency modulation of a cost-effective laser diode, a fibre sensing approach termed fibre segment interferometry ...
  • Fibre segment interferometry using code-division multiplexed optical signal processing for strain sensing applications 
    Kissinger, Thomas; Charrett, Thomas O. H.; Tatam, Ralph P. (Iop Publishing Ltd, 2013-09-30)
    A novel optical signal processing scheme for multiplexing fibre segment interferometers is proposed. The continuous-wave, homodyne technique combines code-division multiplexing with single-sideband modulation. It uses only ...
  • Fibre-bridged fatigue delamination in multidirectional composite laminates 
    Yao, Liaojun; Cui, Hao; Sun, Yi; Guo, Licheng; Chen, Xiangming; Zhao, Meiying; Alderliesten, R. C. (Elsevier, 2018-09-28)
    The influence of fibre bridging on delamination failure in multidirectional composite laminates with different thickness scales is characterized, and the dependence of fibre bridging significance on laminate thickness as ...
  • Fibre-coupled, multiplexed methane detection using range-resolved interferometry 
    Bremner, James; Kissinger, Thomas; Hodgkinson, Jane; Tatam, Ralph P. (Institute of Physics, 2021-02-08)
    We describe the first use of range-resolved interferometric signal processing for measurement of spectral transmission. This was applied to gas sensing using tunable diode laser spectroscopy, allowing the simultaneous and ...
  • Fibre-optic long period gratings for sensing applications 
    Khaliq, Sarfraz (Cranfield University, 2003-03)
    Long period gratings (LPGs) are formed by inducing a permanent periodic modulation of the refractive index (RI) of the core of an optical fibre. The transmission spectrum of the LPG contains a series of attenuation bands ...
  • Fibre-optic long period gratings with nano-structured overlays 
    Ishaq, I. M. (Cranfield University, 2006)
    The influence of nano-structured overlays on the properties of fibre optic Long Period Gratings (LPGs) has been investigated. The presence of overlays of thickness of order 100 m is shown to significantly alter the ...
  • Fibre-optic measurement of strain and shape on a helicopter rotor blade during a ground run: 1. Measurement of strain 
    James, Stephen W.; Kissinger, Thomas; Weber, Simone; Mullaney, Kevin; Chehura, Edmond (IOP Publishing, 2022-06-08)
    Optical fibre strain and shape measurement sensors were deployed on a 5-m long rotor blade during a full-speed (rotation rate 6.6 Hz) helicopter ground run, with real-time data wirelessly streamed from rotor hub-mounted ...
  • Fibre-optic measurement of strain and shape on a helicopter rotor blade during a ground run: 2. Measurement of shape 
    Kissinger, Thomas; James, Stephen W.; Weber, Simone; Mullaney, Kevin; Chehura, Edmond; Pekmezci, Huseyin H.; Barrington, James; Staines, Stephen E.; Charrett, Thomas O. H.; Lawson, Nicholas J.; Lone, Mudassir; Atack, Richard; Tatam, Ralph P. (IOP Publishing, 2022-06-08)
    Optical fibre strain and shape measurement sensors were deployed on a rotor blade during a full-speed helicopter ground run, with real-time data wirelessly streamed from rotor hub-mounted sensor interrogators. In part 2 ...
  • Fibre-optic sensors with molecular coatings 
    Partridge, Matthew (Cranfield University, 2012-12)
    The intrinsic stability of fibre optic based sensing systems offer a platform that is suited to hazardous waste detection in a wide range of environments. Over the last few years Cranfield University has been working on ...
  • Ficus carica hairy roots: In vitro anti-leishmanial activity against Leishmania major promastigotes and amastigotes 
    Amani, Shahla; Khademvatan, Shahram; Mohebodini, Mehdi; Jafari, Morad; Kumar, Vinod (Wolters Kluwer - Medknow, 2022-05-31)
    Objective: To investigate the biochemical capacity, and in vitro inhibitory effects of hairy roots from two cultivars of Ficus carica L. (Sabz and Siah) on Leishmania major promastigotes and amastigotes. Methods: In the ...
  • Field analysis of an induction cooker with square 9-coil system by applying diverse exciting patterns 
    Meng, L. C.; Cheng, K. W. E.; Luk, Patrick Chi-Kwong (2012-04-02)
    This paper proposes a novel square 9-coil (3×3) matrix system for induction cooking applications in order to improve the heating performance. By means of finite element method (FEM) analysis, three different exciting modes ...
  • Field evaluation of a multi-point fibre optic sensor array for methane detection (“OMEGA”) 
    Hodgkinson, Jane; Pride, Russ D.; Tandy, Chris; Moodie, Dave; Stewart, George (Society of Photo-optical Instrumentation Engineers (SPIE), 2000)
    A multi-point fibre optic sensor array for methane detection (“OMEGA”) has been developed and tested under semiquantitative field conditions. The new system employed wavelength modulation spectroscopy using a DFB laser ...