Dr. Helen D. Ford Profile

Dr. Helen D. Ford

at Cranfield Univ

SPIE Involvement:

Author

Publications (24)

Proceedings Article | 21 June 2019 Presentation + Paper

The use of parabolic mirrors in combined low-coherence and confocal refractive index measurement

Daniel Francis, Helen Ford, Jonathan Hallam, Ralph Tatam

Proceedings Volume 11056, 1105610 (2019) https://doi.org/10.1117/12.2525986

KEYWORDS: Mirrors, Confocal microscopy, Refractive index, Aspheric lenses, Monochromatic aberrations, Interfaces, Interferometry, Off axis mirrors, Interferometers, Spectroscopy

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Proceedings Article | 18 August 2018 Paper

Dual sensing-light-sheet OCT for microfluidic PTV

J. Hallam, E. Rigas, H. Ford, T. O. H. Charrett, R. Tatam

Proceedings Volume 10749, 107490M (2018) https://doi.org/10.1117/12.2319582

KEYWORDS: Particles, Microfluidics, Optical coherence tomography, Velocity measurements, Interfaces, Interferometers, Mirrors, Beam splitters, Spatial resolution, Velocimetry

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Proceedings Article | 9 May 2018 Paper

Refractive index and dispersion measurement using low-coherence interferometry with broadband confocal scanning

Daniel Francis, Helen Ford, Ralph Tatam

Proceedings Volume 10680, 106801I (2018) https://doi.org/10.1117/12.2306391

KEYWORDS: Confocal microscopy, Refractive index, Spectroscopy, Interferometry, Mirrors, Interferometers, Diodes, Light sources, Reflection, Dispersion

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Proceedings Article | 7 November 2012 Paper

Optical coherence tomography for endoscopes, using imaging fibre bundles and a conical mirror

Helen Ford, Ralph Tatam

Proceedings Volume 8421, 84215N (2012) https://doi.org/10.1117/12.974499

KEYWORDS: Optical coherence tomography, Mirrors, Endoscopes, Ions, Endoscopy, Imaging systems, Neodymium, Natural surfaces, Reflection, Signal attenuation

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Proceedings Article | 17 May 2011 Paper

Numerical modelling of imaging fibre bundles and their application in optical coherence tomography

Adem Saglam, Helen Ford, Ralph Tatam

Proceedings Volume 7753, 775350 (2011) https://doi.org/10.1117/12.886242

KEYWORDS: Optical coherence tomography, Imaging systems, Image transmission, Numerical modeling, Finite-difference time-domain method, Coherence imaging, Optical fibers, Structured optical fibers, Visible radiation, Light wave propagation

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Proceedings Article | 5 October 2009 Paper

Swept-source OCT with coherent imaging fibre bundles

Helen Ford, Ralph Tatam

Proceedings Volume 7503, 75030X (2009) https://doi.org/10.1117/12.835305

KEYWORDS: Optical coherence tomography, Imaging systems, Sensors, Coherence imaging, Mirrors, Signal attenuation, Endoscopy, Image processing, Image resolution, Optical fibers

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Proceedings Article | 20 February 2009 Paper

Coherent fibre bundles in full-field swept-source OCT

Helen Ford, Ralph Tatam

Proceedings Volume 7168, 71682P (2009) https://doi.org/10.1117/12.808953

KEYWORDS: Optical coherence tomography, Raster graphics, Interferometers, Sensors, Imaging systems, Data acquisition, Endoscopes, Mirrors, Endoscopy, Optical fibers

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Proceedings Article | 16 May 2008 Paper

3D planar velocity measurements using Mach-Zehnder interferometric-filter-based planar Doppler velocimetry (MZI-PDV) and imaging fibre bundles

Z. Lu, T. O. Charrett, H. Ford, R. Tatam

Proceedings Volume 7004, 70040I (2008) https://doi.org/10.1117/12.786544

KEYWORDS: Velocity measurements, Doppler effect, Light scattering, Interferometry, Optical filters, Imaging systems, Interferometers, Velocimetry, Particles, 3D metrology

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Proceedings Article | 5 March 2008 Paper

Imaging fibre bundles for Fizeau-based optical coherence tomography

G. Sarantavgas, H. Ford, R. Tatam

Proceedings Volume 6847, 68470C (2008) https://doi.org/10.1117/12.762640

KEYWORDS: Optical coherence tomography, Interferometers, Signal to noise ratio, Coherence imaging, Imaging systems, Fizeau interferometers, Polarization, Glasses, Reflectivity, Interfaces

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Proceedings Article | 20 February 2006 Paper

Full-field optical coherence tomography using a fibre imaging bundle

H. Ford, R. Tatam

Proceedings Volume 6079, 60791H (2006) https://doi.org/10.1117/12.645892

KEYWORDS: Optical coherence tomography, Signal to noise ratio, Interferometers, Spatial resolution, Cameras, Tissues, Mirrors, Imaging systems, Tissue optics, Sensors

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Proceedings Article | 29 August 2005 Paper

Optical coherence tomography with a Fizeau interferometer configuration

P. Casaubieilh, H. Ford, S. James, R. Tatam

Proceedings Volume 5858, 58580I (2005) https://doi.org/10.1117/12.612737

KEYWORDS: Signal to noise ratio, Interferometers, Refractive index, Optical coherence tomography, Sensors, Glasses, Light, Fizeau interferometers, Interfaces, Reflectivity

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Proceedings Article | 27 August 2005 Paper

Full-field optical coherence tomography

H. Ford, R. Tatam

Proceedings Volume 5858, 58580J (2005) https://doi.org/10.1117/12.612566

KEYWORDS: Optical coherence tomography, Signal to noise ratio, Interferometers, Cameras, Spatial resolution, Mirrors, Tissues, Imaging systems, Interfaces, Sensors

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Proceedings Article | 18 August 2005 Paper

Single camera three component planar velocity measurements, using two frequency Planar Doppler Velocimetry (2ν-PDV)

Tom Charrett, Helen Ford, Ralph Tatam

Proceedings Volume 5880, 588011 (2005) https://doi.org/10.1117/12.614380

KEYWORDS: Velocity measurements, Doppler effect, Absorption, Bragg cells, Cameras, Imaging systems, Velocimetry, Iodine, Head, Beam splitters

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Proceedings Article | 23 May 2005 Paper

Single camera 3D planar velocity measurements using imaging fibre bundles and two frequency Planar Doppler Velocimetry (2nu-PDV)

T. Charrett, H. Ford, Ralph Tatam

Proceedings Volume 5855, (2005) https://doi.org/10.1117/12.624389

KEYWORDS: Doppler effect, Velocity measurements, Cameras, Absorption, Iodine, 3D metrology, Velocimetry, CCD cameras, Bragg cells, Sensors

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Proceedings Article | 29 July 2004 Paper

Optical fiber coherence tomography based on Fizeau interferometer configurations

Pierre Casaubieilh, Helen Ford, Ralph Tatam

Proceedings Volume 5486, (2004) https://doi.org/10.1117/12.571471

KEYWORDS: Signal to noise ratio, Optical coherence tomography, Sensors, Interferometers, Fizeau interferometers, Michelson interferometers, Tissues, Optical fibers, Light scattering, Signal detection

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Proceedings Article | 9 June 2004 Paper

Optical fibre Fizeau-based OCT

Pierre Casaubieilh, Helen Ford, Ralph Tatam

Proceedings Volume 5502, (2004) https://doi.org/10.1117/12.566717

KEYWORDS: Interferometers, Optical coherence tomography, Optical fibers, Sensors, Mirrors, Polarization, Signal to noise ratio, Coherence (optics), Light, Tissue optics

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Proceedings Article | 10 November 2003 Paper

Dual-illumination planar Doppler velocimetry using a single camera

Tom Charrett, Helen Ford, David Nobes, Ralph Tatam

Proceedings Volume 5191, (2003) https://doi.org/10.1117/12.505859

KEYWORDS: Cameras, Bragg cells, Absorption, Doppler effect, Imaging systems, Iodine, Iodine cells, Mirrors, Velocimetry, Beam splitters

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Proceedings Article | 10 November 2003 Paper

Planar Doppler velocimetry measurements of flows using imaging fiber bundles

David Nobes, Helen Ford, Ralph Tatam

Proceedings Volume 5191, (2003) https://doi.org/10.1117/12.505842

KEYWORDS: Cameras, Doppler effect, Velocity measurements, Imaging systems, Pulsed laser operation, Light scattering, Light sources, Head, Distortion, Velocimetry

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Proceedings Article | 26 November 2001 Paper

Instantaneous two-camera three-dimensional planar Doppler velocimetry using imaging fiber bundles

David Nobes, Helen Ford, Ralph Tatam

Proceedings Volume 4448, (2001) https://doi.org/10.1117/12.449385

KEYWORDS: Cameras, Doppler effect, Velocity measurements, Sensors, Pulsed laser operation, Head, Iodine cells, Signal detection, Image processing, Laser scattering

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Proceedings Article | 26 November 2001 Paper

Acousto-optic frequency switching for single-camera planar Doppler velocimetry

Helen Ford, David Nobes, Ralph Tatam

Proceedings Volume 4448, (2001) https://doi.org/10.1117/12.449384

KEYWORDS: Absorption, Cameras, Iodine, Bragg cells, Doppler effect, Iodine cells, Imaging systems, Beam splitters, Polarization, Velocimetry

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Proceedings Article | 17 July 1996 Paper

Source modulation for phase shifting in static and dynamic speckle shearing interferometry

J.-R. Huang, Helen Ford, Ralph Tatam

Proceedings Volume 2860, (1996) https://doi.org/10.1117/12.276315

KEYWORDS: Modulation, Phase shift keying, Interferometers, Shearography, Heterodyning, Shearing interferometers, Phase shifts, Speckle, Semiconductor lasers, Interferometry

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